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CVE-2021-38166

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out...

7.8 HighFix available

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.32%Down 0.3 points since Aug 8, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.

Record
CVE-2021-38166
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
4.6 MediumAV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-190, CWE-787
Updated
2026-11-02
CVE List No score

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.

Record
CVE-2021-38166
Updated
2026-11-02
EUVDEUVD-2021-24636 No score

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.

Record
EUVD-2021-24636
Updated
2026-11-02
GitHub AdvisoriesGHSA-cg35-fr7p-33m9 7.8

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out...

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.

Record
GHSA-cg35-fr7p-33m9
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-190, CWE-787
Updated
2026-11-02
OSVAZL-6581 7.8

CVE-2021-38166 affecting package kernel for versions less than 5.10.78.1-1

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.

Record
AZL-6581
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVBELL-CVE-2021-38166 7.8

CVE-2021-38166 does not affect BellSoft software

Record
BELL-CVE-2021-38166
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 16 moreShow less
OSV 7.8

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.

Record
CVE-2021-38166
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2021-38166 7.8

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.

Record
DEBIAN-CVE-2021-38166
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2021-38166 7.8

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.

Record
UBUNTU-CVE-2021-38166
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2021-0409 No score

Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.10.60 and fixes at least the following security issues:

Specifically timed and handcrafted traffic can cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure over the air for a discrete set of traffic in ath9k (CVE-2020-3702).

A missing validation of the "int_ctl" VMCB field allows a malicious L1 guest to enable AVIC support (Advanced Virtual Interrupt Controller) for the L2 guest. The L2 guest is able to write to a limited but still relatively large subset of the host physical memory, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape (CVE-2021-3653).

A missing validation of the "virt_ext" VMCB field and allows a malicious L1 guest to disable both VMLOAD/VMSAVE intercepts and VLS (Virtual VMLOAD/VMSAVE) for the L2 guest. Under these circumstances, the L2 guest is able to run VMLOAD/VMSAVE unintercepted, and thus read/write portions of the host physical memory, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape (CVE-2021-3656).

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket (CVE-2021-38166).

drivers/net/ethernet/xilinx/xilinx_emaclite.c in the Linux kernel before 5.13.3 makes it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (CVE-2021-38205).

Other fixes in this update:

  • cfi_cmdset_0002: fix crash when erasing/writing AMD cards

For other upstream fixes, see the referenced changelogs.

Record
MGASA-2021-0409
Updated
2026-11-02
OSVMGASA-2021-0410 No score

Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on upstream 5.10.60 and fixes at least the following security issues:

A missing validation of the "int_ctl" VMCB field allows a malicious L1 guest to enable AVIC support (Advanced Virtual Interrupt Controller) for the L2 guest. The L2 guest is able to write to a limited but still relatively large subset of the host physical memory, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape (CVE-2021-3653).

A missing validation of the "virt_ext" VMCB field and allows a malicious L1 guest to disable both VMLOAD/VMSAVE intercepts and VLS (Virtual VMLOAD/VMSAVE) for the L2 guest. Under these circumstances, the L2 guest is able to run VMLOAD/VMSAVE unintercepted, and thus read/write portions of the host physical memory, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape (CVE-2021-3656).

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket (CVE-2021-38166).

drivers/net/ethernet/xilinx/xilinx_emaclite.c in the Linux kernel before 5.13.3 makes it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (CVE-2021-38205).

For other upstream fixes, see the referenced changelogs.

Record
MGASA-2021-0410
Updated
2026-11-02
OSVopenSUSE-SU-2021:3179-1 No score

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 Azure kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

  • CVE-2021-3640: Fixed a Use-After-Free vulnerability in function sco_sock_sendmsg() in the bluetooth stack (bsc#1188172).
  • CVE-2021-3653: Missing validation of the int_ctl VMCB field and allows a malicious L1 guest to enable AVIC support for the L2 guest. (bsc#1189399).
  • CVE-2021-3656: Missing validation of the the virt_ext VMCB field and allows a malicious L1 guest to disable both VMLOAD/VMSAVE intercepts and VLS for the L2 guest (bsc#1189400).
  • CVE-2021-3679: A lack of CPU resource in tracing module functionality was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service (bnc#1189057).
  • CVE-2021-3732: Mounting overlayfs inside an unprivileged user namespace can reveal files (bsc#1189706).
  • CVE-2021-3739: Fixed a NULL pointer dereference when deleting device by invalid id (bsc#1189832 ).
  • CVE-2021-3743: Fixed OOB Read in qrtr_endpoint_post (bsc#1189883).
  • CVE-2021-3753: Fixed race out-of-bounds in virtual terminal handling (bsc#1190025).
  • CVE-2021-38160: Data corruption or loss could be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size in drivers/char/virtio_console.c (bsc#1190117)
  • CVE-2021-38198: arch/x86/kvm/mmu/paging_tmpl.h incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault (bnc#1189262).
  • CVE-2021-38204: drivers/usb/host/max3421-hcd.c allowed physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in certain situations (bnc#1189291).
  • CVE-2021-38205: drivers/net/ethernet/xilinx/xilinx_emaclite.c made it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real IOMEM pointer) (bnc#1189292).
  • CVE-2021-38207: drivers/net/ethernet/xilinx/ll_temac_main.c allowed remote attackers to cause a denial of service (buffer overflow and lockup) by sending heavy network traffic for about ten minutes (bnc#1189298).
  • CVE-2021-38166: Fixed an integer overflow and out-of-bounds write when many elements are placed in a single bucket in kernel/bpf/hashtab.c (bnc#1189233 ).
  • CVE-2021-38209: Fixed allowed observation of changes in any net namespace via net/netfilter/nf_conntrack_standalone.c (bnc#1189393).
  • CVE-2021-38206: Fixed NULL pointer dereference in the radiotap parser inside the mac80211 subsystem (bnc#1189296).
  • CVE-2021-34556: Fixed side-channel attack via a Speculative Store Bypass via unprivileged BPF program that could have obtain sensitive information from kernel memory (bsc#1188983).
  • CVE-2021-35477: Fixed BPF stack frame pointer which could have been abused to disclose content of arbitrary kernel memory (bsc#1188985).
  • CVE-2021-3759: Unaccounted ipc objects in Linux kernel could have lead to breaking memcg limits and DoS attacks (bsc#1190115).
  • CVE-2020-12770: Fixed sg_remove_request call in a certain failure cases (bsc#1171420).

The following non-security bugs were fixed:

  • ACPI: NFIT: Fix support for virtual SPA ranges (git-fixes).
  • ACPI: processor: Clean up acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Export acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Export function to claim _CST control (bsc#1175543)
  • ACPI: processor: Introduce acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Make ACPI_PROCESSOR_CSTATE depend on ACPI_PROCESSOR (bsc#1175543)
  • ALSA: hda - fix the 'Capture Switch' value change notifications (git-fixes).
  • ALSA: hda/hdmi: Add quirk to force pin connectivity on NUC10 (git-fixes).
  • ALSA: hda/hdmi: fix max DP-MST dev_num for Intel TGL+ platforms (git-fixes).
  • ALSA: hda/hdmi: let new platforms assign the pcm slot dynamically (git-fixes). -…
Record
openSUSE-SU-2021:3179-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:3205-1 No score

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

  • CVE-2021-3640: Fixed a Use-After-Free vulnerability in function sco_sock_sendmsg() in the bluetooth stack (bsc#1188172).
  • CVE-2021-3653: Missing validation of the int_ctl VMCB field and allows a malicious L1 guest to enable AVIC support for the L2 guest. (bsc#1189399).
  • CVE-2021-3656: Missing validation of the the virt_ext VMCB field and allows a malicious L1 guest to disable both VMLOAD/VMSAVE intercepts and VLS for the L2 guest (bsc#1189400).
  • CVE-2021-3679: A lack of CPU resource in tracing module functionality was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service (bnc#1189057).
  • CVE-2021-3732: Mounting overlayfs inside an unprivileged user namespace can reveal files (bsc#1189706).
  • CVE-2021-3739: Fixed a NULL pointer dereference when deleting device by invalid id (bsc#1189832 ).
  • CVE-2021-3743: Fixed OOB Read in qrtr_endpoint_post (bsc#1189883).
  • CVE-2021-3753: Fixed race out-of-bounds in virtual terminal handling (bsc#1190025).
  • CVE-2021-38160: Data corruption or loss could be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size in drivers/char/virtio_console.c (bsc#1190117)
  • CVE-2021-38198: arch/x86/kvm/mmu/paging_tmpl.h incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault (bnc#1189262).
  • CVE-2021-38204: drivers/usb/host/max3421-hcd.c allowed physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in certain situations (bnc#1189291).
  • CVE-2021-38205: drivers/net/ethernet/xilinx/xilinx_emaclite.c made it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real IOMEM pointer) (bnc#1189292).
  • CVE-2021-38207: drivers/net/ethernet/xilinx/ll_temac_main.c allowed remote attackers to cause a denial of service (buffer overflow and lockup) by sending heavy network traffic for about ten minutes (bnc#1189298).
  • CVE-2021-38166: Fixed an integer overflow and out-of-bounds write when many elements are placed in a single bucket in kernel/bpf/hashtab.c (bnc#1189233 ).
  • CVE-2021-38209: Fixed allowed observation of changes in any net namespace via net/netfilter/nf_conntrack_standalone.c (bnc#1189393).
  • CVE-2021-38206: Fixed NULL pointer dereference in the radiotap parser inside the mac80211 subsystem (bnc#1189296).
  • CVE-2021-34556: Fixed side-channel attack via a Speculative Store Bypass via unprivileged BPF program that could have obtain sensitive information from kernel memory (bsc#1188983).
  • CVE-2021-35477: Fixed BPF stack frame pointer which could have been abused to disclose content of arbitrary kernel memory (bsc#1188985).
  • CVE-2021-3759: Unaccounted ipc objects in Linux kernel could have lead to breaking memcg limits and DoS attacks (bsc#1190115).
  • CVE-2020-12770: Fixed sg_remove_request call in a certain failure cases (bsc#1171420).

The following non-security bugs were fixed:

  • ACPI: NFIT: Fix support for virtual SPA ranges (git-fixes).
  • ACPI: processor: Clean up acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Export acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Export function to claim _CST control (bsc#1175543)
  • ACPI: processor: Introduce acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Make ACPI_PROCESSOR_CSTATE depend on ACPI_PROCESSOR (bsc#1175543)
  • ALSA: hda - fix the 'Capture Switch' value change notifications (git-fixes).
  • ALSA: hda/hdmi: Add quirk to force pin connectivity on NUC10 (git-fixes).
  • ALSA: hda/hdmi: fix max DP-MST dev_num for Intel TGL+ platforms (git-fixes).
  • ALSA: hda/hdmi: let new platforms assign the pcm slot dynamically (git-fixes).
  • ALSA:…
Record
openSUSE-SU-2021:3205-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10728-1 No score

kernel-devel-5.14.6-1.4 on GA media

These are all security issues fixed in the kernel-devel-5.14.6-1.4 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10728-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:13704-1 No score

kernel-devel-longterm-6.6.17-1.1 on GA media

These are all security issues fixed in the kernel-devel-longterm-6.6.17-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:13704-1
Updated
2026-11-02
OSVPUB-A-197155069 No score

In __htab_map_lookup_and_delete_batch of hashtab.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

Record
PUB-A-197155069
Updated
2026-11-05
OSVSUSE-SU-2021:3179-1 No score

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 Azure kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

  • CVE-2021-3640: Fixed a Use-After-Free vulnerability in function sco_sock_sendmsg() in the bluetooth stack (bsc#1188172).
  • CVE-2021-3653: Missing validation of the int_ctl VMCB field and allows a malicious L1 guest to enable AVIC support for the L2 guest. (bsc#1189399).
  • CVE-2021-3656: Missing validation of the the virt_ext VMCB field and allows a malicious L1 guest to disable both VMLOAD/VMSAVE intercepts and VLS for the L2 guest (bsc#1189400).
  • CVE-2021-3679: A lack of CPU resource in tracing module functionality was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service (bnc#1189057).
  • CVE-2021-3732: Mounting overlayfs inside an unprivileged user namespace can reveal files (bsc#1189706).
  • CVE-2021-3739: Fixed a NULL pointer dereference when deleting device by invalid id (bsc#1189832 ).
  • CVE-2021-3743: Fixed OOB Read in qrtr_endpoint_post (bsc#1189883).
  • CVE-2021-3753: Fixed race out-of-bounds in virtual terminal handling (bsc#1190025).
  • CVE-2021-38160: Data corruption or loss could be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size in drivers/char/virtio_console.c (bsc#1190117)
  • CVE-2021-38198: arch/x86/kvm/mmu/paging_tmpl.h incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault (bnc#1189262).
  • CVE-2021-38204: drivers/usb/host/max3421-hcd.c allowed physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in certain situations (bnc#1189291).
  • CVE-2021-38205: drivers/net/ethernet/xilinx/xilinx_emaclite.c made it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real IOMEM pointer) (bnc#1189292).
  • CVE-2021-38207: drivers/net/ethernet/xilinx/ll_temac_main.c allowed remote attackers to cause a denial of service (buffer overflow and lockup) by sending heavy network traffic for about ten minutes (bnc#1189298).
  • CVE-2021-38166: Fixed an integer overflow and out-of-bounds write when many elements are placed in a single bucket in kernel/bpf/hashtab.c (bnc#1189233 ).
  • CVE-2021-38209: Fixed allowed observation of changes in any net namespace via net/netfilter/nf_conntrack_standalone.c (bnc#1189393).
  • CVE-2021-38206: Fixed NULL pointer dereference in the radiotap parser inside the mac80211 subsystem (bnc#1189296).
  • CVE-2021-34556: Fixed side-channel attack via a Speculative Store Bypass via unprivileged BPF program that could have obtain sensitive information from kernel memory (bsc#1188983).
  • CVE-2021-35477: Fixed BPF stack frame pointer which could have been abused to disclose content of arbitrary kernel memory (bsc#1188985).
  • CVE-2021-3759: Unaccounted ipc objects in Linux kernel could have lead to breaking memcg limits and DoS attacks (bsc#1190115).
  • CVE-2020-12770: Fixed sg_remove_request call in a certain failure cases (bsc#1171420).

The following non-security bugs were fixed:

  • ACPI: NFIT: Fix support for virtual SPA ranges (git-fixes).
  • ACPI: processor: Clean up acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Export acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Export function to claim _CST control (bsc#1175543)
  • ACPI: processor: Introduce acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Make ACPI_PROCESSOR_CSTATE depend on ACPI_PROCESSOR (bsc#1175543)
  • ALSA: hda - fix the 'Capture Switch' value change notifications (git-fixes).
  • ALSA: hda/hdmi: Add quirk to force pin connectivity on NUC10 (git-fixes).
  • ALSA: hda/hdmi: fix max DP-MST dev_num for Intel TGL+ platforms (git-fixes).
  • ALSA: hda/hdmi: let new platforms assign the pcm slot dynamically (git-fixes). -…
Record
SUSE-SU-2021:3179-1
Updated
2026-11-02
OSVSUSE-SU-2021:3205-1 No score

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

  • CVE-2021-3640: Fixed a Use-After-Free vulnerability in function sco_sock_sendmsg() in the bluetooth stack (bsc#1188172).
  • CVE-2021-3653: Missing validation of the int_ctl VMCB field and allows a malicious L1 guest to enable AVIC support for the L2 guest. (bsc#1189399).
  • CVE-2021-3656: Missing validation of the the virt_ext VMCB field and allows a malicious L1 guest to disable both VMLOAD/VMSAVE intercepts and VLS for the L2 guest (bsc#1189400).
  • CVE-2021-3679: A lack of CPU resource in tracing module functionality was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service (bnc#1189057).
  • CVE-2021-3732: Mounting overlayfs inside an unprivileged user namespace can reveal files (bsc#1189706).
  • CVE-2021-3739: Fixed a NULL pointer dereference when deleting device by invalid id (bsc#1189832 ).
  • CVE-2021-3743: Fixed OOB Read in qrtr_endpoint_post (bsc#1189883).
  • CVE-2021-3753: Fixed race out-of-bounds in virtual terminal handling (bsc#1190025).
  • CVE-2021-38160: Data corruption or loss could be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size in drivers/char/virtio_console.c (bsc#1190117)
  • CVE-2021-38198: arch/x86/kvm/mmu/paging_tmpl.h incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault (bnc#1189262).
  • CVE-2021-38204: drivers/usb/host/max3421-hcd.c allowed physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in certain situations (bnc#1189291).
  • CVE-2021-38205: drivers/net/ethernet/xilinx/xilinx_emaclite.c made it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real IOMEM pointer) (bnc#1189292).
  • CVE-2021-38207: drivers/net/ethernet/xilinx/ll_temac_main.c allowed remote attackers to cause a denial of service (buffer overflow and lockup) by sending heavy network traffic for about ten minutes (bnc#1189298).
  • CVE-2021-38166: Fixed an integer overflow and out-of-bounds write when many elements are placed in a single bucket in kernel/bpf/hashtab.c (bnc#1189233 ).
  • CVE-2021-38209: Fixed allowed observation of changes in any net namespace via net/netfilter/nf_conntrack_standalone.c (bnc#1189393).
  • CVE-2021-38206: Fixed NULL pointer dereference in the radiotap parser inside the mac80211 subsystem (bnc#1189296).
  • CVE-2021-34556: Fixed side-channel attack via a Speculative Store Bypass via unprivileged BPF program that could have obtain sensitive information from kernel memory (bsc#1188983).
  • CVE-2021-35477: Fixed BPF stack frame pointer which could have been abused to disclose content of arbitrary kernel memory (bsc#1188985).
  • CVE-2021-3759: Unaccounted ipc objects in Linux kernel could have lead to breaking memcg limits and DoS attacks (bsc#1190115).
  • CVE-2020-12770: Fixed sg_remove_request call in a certain failure cases (bsc#1171420).

The following non-security bugs were fixed:

  • ACPI: NFIT: Fix support for virtual SPA ranges (git-fixes).
  • ACPI: processor: Clean up acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Export acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Export function to claim _CST control (bsc#1175543)
  • ACPI: processor: Introduce acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Make ACPI_PROCESSOR_CSTATE depend on ACPI_PROCESSOR (bsc#1175543)
  • ALSA: hda - fix the 'Capture Switch' value change notifications (git-fixes).
  • ALSA: hda/hdmi: Add quirk to force pin connectivity on NUC10 (git-fixes).
  • ALSA: hda/hdmi: fix max DP-MST dev_num for Intel TGL+ platforms (git-fixes).
  • ALSA: hda/hdmi: let new platforms assign the pcm slot dynamically (git-fixes).
  • ALSA:…
Record
SUSE-SU-2021:3205-1
Updated
2026-11-02
OSVSUSE-SU-2021:3205-2 No score

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

  • CVE-2021-3640: Fixed a Use-After-Free vulnerability in function sco_sock_sendmsg() in the bluetooth stack (bsc#1188172).
  • CVE-2021-3653: Missing validation of the int_ctl VMCB field and allows a malicious L1 guest to enable AVIC support for the L2 guest. (bsc#1189399).
  • CVE-2021-3656: Missing validation of the the virt_ext VMCB field and allows a malicious L1 guest to disable both VMLOAD/VMSAVE intercepts and VLS for the L2 guest (bsc#1189400).
  • CVE-2021-3679: A lack of CPU resource in tracing module functionality was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service (bnc#1189057).
  • CVE-2021-3732: Mounting overlayfs inside an unprivileged user namespace can reveal files (bsc#1189706).
  • CVE-2021-3739: Fixed a NULL pointer dereference when deleting device by invalid id (bsc#1189832 ).
  • CVE-2021-3743: Fixed OOB Read in qrtr_endpoint_post (bsc#1189883).
  • CVE-2021-3753: Fixed race out-of-bounds in virtual terminal handling (bsc#1190025).
  • CVE-2021-38160: Data corruption or loss could be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size in drivers/char/virtio_console.c (bsc#1190117)
  • CVE-2021-38198: arch/x86/kvm/mmu/paging_tmpl.h incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault (bnc#1189262).
  • CVE-2021-38204: drivers/usb/host/max3421-hcd.c allowed physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in certain situations (bnc#1189291).
  • CVE-2021-38205: drivers/net/ethernet/xilinx/xilinx_emaclite.c made it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real IOMEM pointer) (bnc#1189292).
  • CVE-2021-38207: drivers/net/ethernet/xilinx/ll_temac_main.c allowed remote attackers to cause a denial of service (buffer overflow and lockup) by sending heavy network traffic for about ten minutes (bnc#1189298).
  • CVE-2021-38166: Fixed an integer overflow and out-of-bounds write when many elements are placed in a single bucket in kernel/bpf/hashtab.c (bnc#1189233 ).
  • CVE-2021-38209: Fixed allowed observation of changes in any net namespace via net/netfilter/nf_conntrack_standalone.c (bnc#1189393).
  • CVE-2021-38206: Fixed NULL pointer dereference in the radiotap parser inside the mac80211 subsystem (bnc#1189296).
  • CVE-2021-34556: Fixed side-channel attack via a Speculative Store Bypass via unprivileged BPF program that could have obtain sensitive information from kernel memory (bsc#1188983).
  • CVE-2021-35477: Fixed BPF stack frame pointer which could have been abused to disclose content of arbitrary kernel memory (bsc#1188985).
  • CVE-2021-3759: Unaccounted ipc objects in Linux kernel could have lead to breaking memcg limits and DoS attacks (bsc#1190115).
  • CVE-2020-12770: Fixed sg_remove_request call in a certain failure cases (bsc#1171420).

The following non-security bugs were fixed:

  • ACPI: NFIT: Fix support for virtual SPA ranges (git-fixes).
  • ACPI: processor: Clean up acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Export acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Export function to claim _CST control (bsc#1175543)
  • ACPI: processor: Introduce acpi_processor_evaluate_cst() (bsc#1175543)
  • ACPI: processor: Make ACPI_PROCESSOR_CSTATE depend on ACPI_PROCESSOR (bsc#1175543)
  • ALSA: hda - fix the 'Capture Switch' value change notifications (git-fixes).
  • ALSA: hda/hdmi: Add quirk to force pin connectivity on NUC10 (git-fixes).
  • ALSA: hda/hdmi: fix max DP-MST dev_num for Intel TGL+ platforms (git-fixes).
  • ALSA: hda/hdmi: let new platforms assign the pcm slot dynamically (git-fixes).
  • ALSA:…
Record
SUSE-SU-2021:3205-2
Updated
2026-11-02
OSVUSN-5096-1 No score

linux-oem-5.13 vulnerabilities

Valentina Palmiotti discovered that the io_uring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. (CVE-2021-41073)

Benedict Schlueter discovered that the BPF subsystem in the Linux kernel did not properly protect against Speculative Store Bypass (SSB) side- channel attacks in some situations. A local attacker could possibly use this to expose sensitive information. (CVE-2021-34556)

Piotr Krysiuk discovered that the BPF subsystem in the Linux kernel did not properly protect against Speculative Store Bypass (SSB) side-channel attacks in some situations. A local attacker could possibly use this to expose sensitive information. (CVE-2021-35477)

Murray McAllister discovered that the joystick device interface in the Linux kernel did not properly validate data passed via an ioctl(). A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code on systems with a joystick device registered. (CVE-2021-3612)

It was discovered that the tracing subsystem in the Linux kernel did not properly keep track of per-cpu ring buffer state. A privileged attacker could use this to cause a denial of service. (CVE-2021-3679)

It was discovered that the Option USB High Speed Mobile device driver in the Linux kernel did not properly handle error conditions. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-37159)

Alois Wohlschlager discovered that the overlay file system in the Linux kernel did not restrict private clones in some situations. An attacker could use this to expose sensitive information. (CVE-2021-3732)

It was discovered that the Virtio console implementation in the Linux kernel did not properly validate input lengths in some situations. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2021-38160)

It was discovered that the BPF subsystem in the Linux kernel contained an integer overflow in its hash table implementation. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-38166)

Michael Wakabayashi discovered that the NFSv4 client implementation in the Linux kernel did not properly order connection setup operations. An attacker controlling a remote NFS server could use this to cause a denial of service on the client. (CVE-2021-38199)

It was discovered that the Sun RPC implementation in the Linux kernel contained an out-of-bounds access error. A remote attacker could possibly use this to cause a denial of service (system crash). (CVE-2021-38201)

It was discovered that the NFS server implementation in the Linux kernel contained an out-of-bounds read when the trace even framework is being used for nfsd. A remote attacker could possibly use this to cause a denial of service (system crash). (CVE-2021-38202)

Naohiro Aota discovered that the btrfs file system in the Linux kernel contained a race condition in situations that triggered allocations of new system chunks. A local attacker could possibly use this to cause a denial of service (deadlock). (CVE-2021-38203)

It was discovered that the MAX-3421 host USB device driver in the Linux kernel did not properly handle device removal events. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2021-38204)

It was discovered that the Xilinx 10/100 Ethernet Lite device driver in the Linux kernel could report pointer addresses in some situations. An attacker could use this information to ease the exploitation of another vulnerability. (CVE-2021-38205)

It was discovered that the ext4 file system in the Linux kernel contained a race condition when writing xattrs to an inode. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. (CVE-2021-40490)

Record
USN-5096-1
Updated
2026-11-02
OSVUSN-5113-1 No score

linux, linux-aws, linux-aws-5.11, linux-azure, linux-azure-5.11, linux-gcp, linux-gcp-5.11, linux-hwe-5.11, linux-kvm, linux-oracle, linux-oracle-5.11, linux-raspi vulnerabilities

It was discovered that a race condition existed in the Atheros Ath9k WiFi driver in the Linux kernel. An attacker could possibly use this to expose sensitive information (WiFi network traffic). (CVE-2020-3702)

Alois Wohlschlager discovered that the overlay file system in the Linux kernel did not restrict private clones in some situations. An attacker could use this to expose sensitive information. (CVE-2021-3732)

It was discovered that the btrfs file system in the Linux kernel did not properly handle removing a non-existent device id. An attacker with CAP_SYS_ADMIN could use this to cause a denial of service. (CVE-2021-3739)

It was discovered that the Qualcomm IPC Router protocol implementation in the Linux kernel did not properly validate metadata in some situations. A local attacker could use this to cause a denial of service (system crash) or expose sensitive information. (CVE-2021-3743)

It was discovered that the virtual terminal (vt) device implementation in the Linux kernel contained a race condition in its ioctl handling that led to an out-of-bounds read vulnerability. A local attacker could possibly use this to expose sensitive information. (CVE-2021-3753)

It was discovered that the BPF subsystem in the Linux kernel contained an integer overflow in its hash table implementation. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-38166)

It was discovered that the ext4 file system in the Linux kernel contained a race condition when writing xattrs to an inode. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. (CVE-2021-40490)

It was discovered that the 6pack network protocol driver in the Linux kernel did not properly perform validation checks. A privileged attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2021-42008)

Record
USN-5113-1
Updated
2026-11-02
OSVUSN-5115-1 No score

linux-oem-5.10 vulnerabilities

It was discovered that a race condition existed in the Atheros Ath9k WiFi driver in the Linux kernel. An attacker could possibly use this to expose sensitive information (WiFi network traffic). (CVE-2020-3702)

Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. (CVE-2021-33624)

Benedict Schlueter discovered that the BPF subsystem in the Linux kernel did not properly protect against Speculative Store Bypass (SSB) side- channel attacks in some situations. A local attacker could possibly use this to expose sensitive information. (CVE-2021-34556)

Piotr Krysiuk discovered that the BPF subsystem in the Linux kernel did not properly protect against Speculative Store Bypass (SSB) side-channel attacks in some situations. A local attacker could possibly use this to expose sensitive information. (CVE-2021-35477)

It was discovered that the tracing subsystem in the Linux kernel did not properly keep track of per-cpu ring buffer state. A privileged attacker could use this to cause a denial of service. (CVE-2021-3679)

It was discovered that the Option USB High Speed Mobile device driver in the Linux kernel did not properly handle error conditions. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-37159)

Alois Wohlschlager discovered that the overlay file system in the Linux kernel did not restrict private clones in some situations. An attacker could use this to expose sensitive information. (CVE-2021-3732)

It was discovered that the btrfs file system in the Linux kernel did not properly handle removing a non-existent device id. An attacker with CAP_SYS_ADMIN could use this to cause a denial of service. (CVE-2021-3739)

It was discovered that the Qualcomm IPC Router protocol implementation in the Linux kernel did not properly validate metadata in some situations. A local attacker could use this to cause a denial of service (system crash) or expose sensitive information. (CVE-2021-3743)

It was discovered that the virtual terminal (vt) device implementation in the Linux kernel contained a race condition in its ioctl handling that led to an out-of-bounds read vulnerability. A local attacker could possibly use this to expose sensitive information. (CVE-2021-3753)

It was discovered that the Linux kernel did not properly account for the memory usage of certain IPC objects. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2021-3759)

It was discovered that the BPF subsystem in the Linux kernel contained an integer overflow in its hash table implementation. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-38166)

It was discovered that the MAX-3421 host USB device driver in the Linux kernel did not properly handle device removal events. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2021-38204)

It was discovered that the Xilinx 10/100 Ethernet Lite device driver in the Linux kernel could report pointer addresses in some situations. An attacker could use this information to ease the exploitation of another vulnerability. (CVE-2021-38205)

It was discovered that the ext4 file system in the Linux kernel contained a race condition when writing xattrs to an inode. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. (CVE-2021-40490)

It was discovered that the 6pack network protocol driver in the Linux kernel did not properly perform validation checks. A privileged attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2021-42008)

Record
USN-5115-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
kernel
Azure Linux:2
 before 5.10.78.1-1
5.10.78.1-1
linux
Debian:12
 before 5.14.6-1
5.14.6-1
linux
Debian:13
 before 5.14.6-1
5.14.6-1
linux
Debian:14
 before 5.14.6-1
5.14.6-1
linux
Debian:11
From an advisory covering 15 CVEs
 before 5.10.46-5, plus listed versions
5.10.46-4
5.10.46-5
kernel
Mageia:8
From an advisory covering 5 CVEs
 before 5.10.60-2.mga8
5.10.60-2.mga8
kmod-virtualbox
Mageia:8
From an advisory covering 5 CVEs
 before 6.1.26-1.2.mga8
6.1.26-1.2.mga8
kmod-xtables-addons
Mageia:8
From an advisory covering 5 CVEs
 before 3.18-1.20.mga8
3.18-1.20.mga8
kernel-linus
Mageia:8
From an advisory covering 4 CVEs
 before 5.10.60-1.mga8
5.10.60-1.mga8
:linux_kernel:
Android
 :0 up to :2021-10-05, plus listed versions
Kernel
:2021-10-05
Show 79 moreShow less
Affected packages
PackageAffectedFixed
kernel-azure
SUSE:Linux Enterprise Module for Public Cloud 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-38.22.2
5.3.18-38.22.2
kernel-source-azure
SUSE:Linux Enterprise Module for Public Cloud 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-38.22.1
5.3.18-38.22.1
kernel-syms-azure
SUSE:Linux Enterprise Module for Public Cloud 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-38.22.1
5.3.18-38.22.1
kernel-64kb
SUSE:Linux Enterprise Module for Basesystem 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-default
SUSE:Linux Enterprise Module for Basesystem 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-default-base
SUSE:Linux Enterprise Module for Basesystem 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1.18.12.1
5.3.18-59.24.1.18.12.1
kernel-preempt
SUSE:Linux Enterprise Module for Basesystem 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-source
SUSE:Linux Enterprise Module for Basesystem 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-zfcpdump
SUSE:Linux Enterprise Module for Basesystem 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-docs
SUSE:Linux Enterprise Module for Development Tools 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-obs-build
SUSE:Linux Enterprise Module for Development Tools 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-preempt
SUSE:Linux Enterprise Module for Development Tools 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-source
SUSE:Linux Enterprise Module for Development Tools 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-syms
SUSE:Linux Enterprise Module for Development Tools 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-default
SUSE:Linux Enterprise Module for Legacy 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-default
SUSE:Linux Enterprise Live Patching 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-livepatch-SLE15-SP3_Update_6
SUSE:Linux Enterprise Live Patching 15 SP3
From an advisory covering 20 CVEs
 before 1-7.5.1
1-7.5.1
kernel-default
SUSE:Linux Enterprise High Availability Extension 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-default
SUSE:Linux Enterprise Workstation Extension 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-preempt
SUSE:Linux Enterprise Workstation Extension 15 SP3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-default
SUSE:Linux Enterprise Micro 5.1
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-default-base
SUSE:Linux Enterprise Micro 5.1
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1.18.12.1
5.3.18-59.24.1.18.12.1
linux-hwe-edge
Ubuntu:16.04:LTS
 All versions, plus listed versions
4.8.0-28.30~16.04.14.8.0-30.32~16.04.14.8.0-32.34~16.04.14.8.0-34.36~16.04.14.10.0-14.16~16.04.1
Show 18 moreShow less
4.10.0-19.21~16.04.14.10.0-20.22~16.04.14.10.0-21.23~16.04.14.10.0-22.24~16.04.14.10.0-24.28~16.04.14.10.0-26.30~16.04.14.11.0-13.19~16.04.14.11.0-14.20~16.04.14.13.0-16.19~16.04.34.13.0-17.20~16.04.14.13.0-19.22~16.04.14.13.0-21.24~16.04.14.13.0-25.29~16.04.24.15.0-13.14~16.04.14.15.0-15.16~16.04.14.15.0-20.21~16.04.14.15.0-22.24~16.04.14.15.0-23.25~16.04.1
 None known
linux-aws-5.0
Ubuntu:18.04:LTS
 All versions, plus listed versions
5.0.0-1021.24~18.04.15.0.0-1022.25~18.04.15.0.0-1023.26~18.04.15.0.0-1024.27~18.04.15.0.0-1025.285.0.0-1027.30
 None known
linux-aws-5.3
Ubuntu:18.04:LTS
 All versions, plus listed versions
5.3.0-1016.17~18.04.15.3.0-1017.18~18.04.15.3.0-1019.21~18.04.15.3.0-1023.25~18.04.15.3.0-1028.30~18.04.1
Show 5 moreShow less
5.3.0-1030.32~18.04.15.3.0-1032.34~18.04.25.3.0-1033.355.3.0-1034.365.3.0-1035.37
 None known
linux-azure
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.15.0-1002.24.15.0-1003.34.15.0-1004.44.15.0-1008.84.15.0-1009.9
Show 39 moreShow less
4.15.0-1012.124.15.0-1013.134.15.0-1014.144.15.0-1018.184.15.0-1019.194.15.0-1021.214.15.0-1022.234.15.0-1023.244.15.0-1025.264.15.0-1028.294.15.0-1030.314.15.0-1031.324.15.0-1032.334.15.0-1035.364.15.0-1036.384.15.0-1037.394.18.0-1011.11~18.04.14.18.0-1013.13~18.04.14.18.0-1014.14~18.04.14.18.0-1018.18~18.04.14.18.0-1019.19~18.04.14.18.0-1020.20~18.04.14.18.0-1023.24~18.04.14.18.0-1024.25~18.04.14.18.0-1025.27~18.04.15.0.0-1014.14~18.04.15.0.0-1016.17~18.04.15.0.0-1018.19~18.04.15.0.0-1020.21~18.04.15.0.0-1022.23~18.04.15.0.0-1023.24~18.04.15.0.0-1025.27~18.04.15.0.0-1027.29~18.04.15.0.0-1028.30~18.04.15.0.0-1029.31~18.04.15.0.0-1031.335.0.0-1032.345.0.0-1035.375.0.0-1036.38
 None known
linux-azure-5.3
Ubuntu:18.04:LTS
 All versions, plus listed versions
5.3.0-1007.8~18.04.15.3.0-1008.9~18.04.15.3.0-1009.10~18.04.15.3.0-1010.11~18.04.15.3.0-1012.13~18.04.1
Show 11 moreShow less
5.3.0-1013.14~18.04.15.3.0-1016.17~18.04.15.3.0-1018.19~18.04.15.3.0-1019.20~18.04.15.3.0-1020.21~18.04.15.3.0-1022.23~18.04.15.3.0-1028.29~18.04.15.3.0-1031.32~18.04.15.3.0-1032.33~18.04.15.3.0-1034.35~18.04.15.3.0-1035.36
 None known
linux-azure-edge
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.18.0-1006.6~18.04.14.18.0-1007.7~18.04.14.18.0-1008.8~18.04.15.0.0-1012.12~18.04.2
 None known
linux-gcp
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.15.0-1001.14.15.0-1003.34.15.0-1005.54.15.0-1006.64.15.0-1008.8
Show 33 moreShow less
4.15.0-1009.94.15.0-1010.104.15.0-1014.144.15.0-1015.154.15.0-1017.184.15.0-1018.194.15.0-1019.204.15.0-1021.224.15.0-1023.244.15.0-1024.254.15.0-1025.264.15.0-1026.274.15.0-1027.284.15.0-1028.294.15.0-1029.314.15.0-1030.324.15.0-1032.344.15.0-1033.354.15.0-1034.364.15.0-1036.384.15.0-1037.394.15.0-1040.424.15.0-1042.454.15.0-1044.705.0.0-1020.20~18.04.15.0.0-1021.21~18.04.15.0.0-1025.26~18.04.15.0.0-1026.27~18.04.15.0.0-1028.29~18.04.15.0.0-1029.30~18.04.15.0.0-1031.325.0.0-1033.345.0.0-1034.35
 None known
linux-gcp-5.3
Ubuntu:18.04:LTS
 All versions, plus listed versions
5.3.0-1008.9~18.04.15.3.0-1009.10~18.04.15.3.0-1010.11~18.04.15.3.0-1012.13~18.04.15.3.0-1014.15~18.04.1
Show 8 moreShow less
5.3.0-1016.17~18.04.15.3.0-1017.18~18.04.15.3.0-1018.19~18.04.15.3.0-1020.22~18.04.15.3.0-1026.28~18.04.15.3.0-1029.31~18.04.15.3.0-1030.32~18.04.15.3.0-1032.34~18.04.1
 None known
linux-gcp-edge
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.18.0-1004.5~18.04.14.18.0-1005.6~18.04.14.18.0-1006.7~18.04.14.18.0-1007.8~18.04.14.18.0-1008.9~18.04.1
Show 7 moreShow less
4.18.0-1009.10~18.04.14.18.0-1011.12~18.04.14.18.0-1012.13~18.04.14.18.0-1013.14~18.04.14.18.0-1015.16~18.04.15.0.0-1011.11~18.04.15.0.0-1013.13~18.04.1
 None known
linux-gke-4.15
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.15.0-1030.324.15.0-1032.344.15.0-1033.354.15.0-1034.364.15.0-1036.38
Show 28 moreShow less
4.15.0-1037.394.15.0-1040.424.15.0-1041.434.15.0-1042.444.15.0-1044.464.15.0-1045.484.15.0-1046.494.15.0-1048.514.15.0-1049.524.15.0-1050.534.15.0-1052.554.15.0-1055.584.15.0-1057.604.15.0-1058.614.15.0-1059.624.15.0-1063.664.15.0-1064.674.15.0-1066.694.15.0-1067.704.15.0-1069.724.15.0-1070.734.15.0-1072.764.15.0-1073.784.15.0-1074.794.15.0-1076.814.15.0-1077.824.15.0-1078.834.15.0-1079.84
 None known
linux-hwe
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.18.0-13.14~18.04.14.18.0-14.15~18.04.14.18.0-15.16~18.04.14.18.0-16.17~18.04.14.18.0-17.18~18.04.1
Show 38 moreShow less
4.18.0-18.19~18.04.14.18.0-20.21~18.04.14.18.0-21.22~18.04.14.18.0-22.23~18.04.14.18.0-24.25~18.04.14.18.0-25.26~18.04.15.0.0-23.24~18.04.15.0.0-25.26~18.04.15.0.0-27.28~18.04.15.0.0-29.31~18.04.15.0.0-31.33~18.04.15.0.0-32.34~18.04.25.0.0-35.38~18.04.15.0.0-36.39~18.04.15.0.0-37.40~18.04.15.3.0-26.28~18.04.15.3.0-28.30~18.04.15.3.0-40.32~18.04.15.3.0-42.34~18.04.15.3.0-45.37~18.04.15.3.0-46.38~18.04.15.3.0-51.44~18.04.25.3.0-53.47~18.04.15.3.0-59.53~18.04.15.3.0-61.55~18.04.15.3.0-62.56~18.04.15.3.0-64.58~18.04.15.3.0-65.595.3.0-66.605.3.0-67.615.3.0-68.635.3.0-69.655.3.0-70.665.3.0-72.685.3.0-73.695.3.0-74.705.3.0-75.715.3.0-76.72
 None known
linux-hwe-edge
Ubuntu:18.04:LTS
 All versions, plus listed versions
5.0.0-15.16~18.04.15.0.0-16.17~18.04.15.0.0-17.18~18.04.15.0.0-19.20~18.04.15.0.0-20.21~18.04.1
Show 5 moreShow less
5.3.0-19.20~18.04.25.3.0-22.24~18.04.15.3.0-23.25~18.04.15.3.0-23.25~18.04.25.3.0-24.26~18.04.2
 None known
linux-oem
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.15.0-1002.34.15.0-1004.54.15.0-1006.94.15.0-1008.114.15.0-1009.12
Show 45 moreShow less
4.15.0-1012.154.15.0-1013.164.15.0-1015.184.15.0-1017.204.15.0-1018.214.15.0-1021.244.15.0-1024.294.15.0-1026.314.15.0-1028.334.15.0-1030.354.15.0-1033.384.15.0-1034.394.15.0-1035.404.15.0-1036.414.15.0-1038.434.15.0-1039.444.15.0-1043.484.15.0-1045.504.15.0-1050.574.15.0-1056.654.15.0-1057.664.15.0-1059.684.15.0-1063.724.15.0-1064.734.15.0-1065.754.15.0-1066.764.15.0-1067.774.15.0-1069.794.15.0-1073.834.15.0-1076.864.15.0-1079.894.15.0-1080.904.15.0-1081.914.15.0-1087.974.15.0-1090.1004.15.0-1091.1014.15.0-1093.1034.15.0-1094.1044.15.0-1096.1064.15.0-1097.1074.15.0-1099.1094.15.0-1100.1104.15.0-1101.1124.15.0-1102.1134.15.0-1103.114
 None known
linux-oracle-5.0
Ubuntu:18.04:LTS
 All versions, plus listed versions
5.0.0-1007.12~18.04.15.0.0-1008.13~18.04.15.0.0-1009.14~18.04.15.0.0-1010.15~18.04.15.0.0-1011.165.0.0-1013.185.0.0-1014.19
 None known
linux-oracle-5.3
Ubuntu:18.04:LTS
 All versions, plus listed versions
5.3.0-1011.12~18.04.15.3.0-1013.14~18.04.15.3.0-1014.15~18.04.15.3.0-1016.18~18.04.15.3.0-1018.20~18.04.1
Show 4 moreShow less
5.3.0-1024.26~18.04.15.3.0-1027.29~18.04.15.3.0-1028.30~18.04.15.3.0-1030.32~18.04.1
 None known
linux-aws-5.11
Ubuntu:20.04:LTS
 before 5.11.0-1020.21~20.04.2, plus listed versions
5.11.0-1009.9~20.04.25.11.0-1014.15~20.04.15.11.0-1016.17~20.04.15.11.0-1017.18~20.04.15.11.0-1019.20~20.04.1
5.11.0-1020.21~20.04.2
linux-azure-5.11
Ubuntu:20.04:LTS
 before 5.11.0-1020.21~20.04.1, plus listed versions
5.11.0-1007.7~20.04.25.11.0-1012.13~20.04.15.11.0-1013.14~20.04.15.11.0-1015.16~20.04.15.11.0-1017.18~20.04.15.11.0-1019.20~20.04.1
5.11.0-1020.21~20.04.1
linux-gcp-5.11
Ubuntu:20.04:LTS
 before 5.11.0-1021.23~20.04.1, plus listed versions
5.11.0-1009.10~20.04.15.11.0-1014.16~20.04.15.11.0-1017.19~20.04.15.11.0-1018.20~20.04.25.11.0-1020.22~20.04.1
5.11.0-1021.23~20.04.1
linux-hwe-5.11
Ubuntu:20.04:LTS
 before 5.11.0-38.42~20.04.1, plus listed versions
5.11.0-22.23~20.04.15.11.0-25.27~20.04.15.11.0-27.29~20.04.15.11.0-34.36~20.04.15.11.0-36.40~20.04.15.11.0-37.41~20.04.2
5.11.0-38.42~20.04.1
linux-oem-5.10
Ubuntu:20.04:LTS
 before 5.10.0-1050.52, plus listed versions
5.10.0-1008.95.10.0-1011.125.10.0-1013.145.10.0-1014.155.10.0-1016.17
Show 15 moreShow less
5.10.0-1017.185.10.0-1019.205.10.0-1021.225.10.0-1022.235.10.0-1023.245.10.0-1025.265.10.0-1026.275.10.0-1029.305.10.0-1032.335.10.0-1033.345.10.0-1034.355.10.0-1038.405.10.0-1044.465.10.0-1045.475.10.0-1049.51
5.10.0-1050.52
linux-oem-5.13
Ubuntu:20.04:LTS
 before 5.13.0-1014.18, plus listed versions
5.13.0-1009.105.13.0-1010.115.13.0-1012.16
5.13.0-1014.18
linux-oracle-5.11
Ubuntu:20.04:LTS
 before 5.11.0-1020.21~20.04.1, plus listed versions
5.11.0-1008.8~20.04.15.11.0-1013.14~20.04.15.11.0-1016.17~20.04.15.11.0-1017.18~20.04.15.11.0-1019.20~20.04.1
5.11.0-1020.21~20.04.1
linux-riscv-5.11
Ubuntu:20.04:LTS
 before 5.11.0-1021.22~20.04.1, plus listed versions
5.11.0-1015.16~20.04.15.11.0-1017.18~20.04.15.11.0-1018.19~20.04.25.11.0-1020.21~20.04.1
5.11.0-1021.22~20.04.1
linux-aws-5.8
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.8.0-1035.37~20.04.15.8.0-1038.40~20.04.15.8.0-1041.43~20.04.15.8.0-1042.44~20.04.1
 None known
linux-azure-5.8
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.8.0-1033.35~20.04.15.8.0-1036.38~20.04.15.8.0-1039.42~20.04.15.8.0-1040.43~20.04.15.8.0-1041.44~20.04.15.8.0-1042.45~20.04.15.8.0-1043.46~20.04.1
 None known
linux-gcp-5.8
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.8.0-1032.34~20.04.15.8.0-1035.37~20.04.15.8.0-1038.40~20.04.15.8.0-1039.41
 None known
linux-hwe-5.8
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.8.0-23.24~20.04.15.8.0-25.26~20.04.15.8.0-28.30~20.04.15.8.0-29.31~20.04.15.8.0-31.33~20.04.1
Show 16 moreShow less
5.8.0-33.36~20.04.15.8.0-34.37~20.04.25.8.0-36.40~20.04.15.8.0-38.43~20.04.15.8.0-40.45~20.04.15.8.0-41.46~20.04.15.8.0-43.49~20.04.15.8.0-44.50~20.04.15.8.0-45.51~20.04.15.8.0-48.54~20.04.15.8.0-49.55~20.04.15.8.0-50.56~20.04.15.8.0-53.60~20.04.15.8.0-55.62~20.04.15.8.0-59.66~20.04.15.8.0-63.71~20.04.1
 None known
linux-oem-5.6
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.6.0-1007.75.6.0-1008.85.6.0-1010.105.6.0-1011.115.6.0-1013.13
Show 24 moreShow less
5.6.0-1017.175.6.0-1018.185.6.0-1020.205.6.0-1021.215.6.0-1023.235.6.0-1026.265.6.0-1027.275.6.0-1028.285.6.0-1031.325.6.0-1032.335.6.0-1033.355.6.0-1034.365.6.0-1035.375.6.0-1036.395.6.0-1039.435.6.0-1042.465.6.0-1047.515.6.0-1048.525.6.0-1050.545.6.0-1052.565.6.0-1053.575.6.0-1054.585.6.0-1055.595.6.0-1056.60
 None known
linux-oracle-5.8
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.8.0-1031.32~20.04.25.8.0-1033.34~20.04.15.8.0-1034.35~20.04.25.8.0-1037.38~20.04.15.8.0-1038.39~20.04.1
 None known
linux-raspi2
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.3.0-1007.85.3.0-1014.165.3.0-1015.175.3.0-1017.195.4.0-1004.45.4.0-1006.6
 None known
linux-riscv
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.4.0-24.285.4.0-26.305.4.0-27.315.4.0-28.325.4.0-30.34
Show 7 moreShow less
5.4.0-31.355.4.0-33.375.4.0-34.385.4.0-36.415.4.0-37.425.4.0-39.445.4.0-40.45
 None known
linux-riscv-5.8
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.8.0-14.16~20.04.15.8.0-14.16~20.04.35.8.0-16.18~20.04.15.8.0-17.19~20.04.15.8.0-18.20~20.04.1
Show 5 moreShow less
5.8.0-20.22~20.04.15.8.0-22.24~20.04.15.8.0-25.27~20.04.15.8.0-26.28~20.04.15.8.0-29.31~20.04.1
 None known
linux-oem-5.13
Ubuntu:20.04:LTS
From an advisory covering 16 CVEs
 before 5.13.0-1014.18, plus listed versions
5.13.0-1009.105.13.0-1010.115.13.0-1012.16
5.13.0-1014.18
linux-aws-5.11
Ubuntu:20.04:LTS
From an advisory covering 8 CVEs
 before 5.11.0-1020.21~20.04.2, plus listed versions
5.11.0-1009.9~20.04.25.11.0-1014.15~20.04.15.11.0-1016.17~20.04.15.11.0-1017.18~20.04.15.11.0-1019.20~20.04.1
5.11.0-1020.21~20.04.2
linux-azure-5.11
Ubuntu:20.04:LTS
From an advisory covering 8 CVEs
 before 5.11.0-1020.21~20.04.1, plus listed versions
5.11.0-1007.7~20.04.25.11.0-1012.13~20.04.15.11.0-1013.14~20.04.15.11.0-1015.16~20.04.15.11.0-1017.18~20.04.15.11.0-1019.20~20.04.1
5.11.0-1020.21~20.04.1
linux-gcp-5.11
Ubuntu:20.04:LTS
From an advisory covering 8 CVEs
 before 5.11.0-1021.23~20.04.1, plus listed versions
5.11.0-1009.10~20.04.15.11.0-1014.16~20.04.15.11.0-1017.19~20.04.15.11.0-1018.20~20.04.25.11.0-1020.22~20.04.1
5.11.0-1021.23~20.04.1
linux-hwe-5.11
Ubuntu:20.04:LTS
From an advisory covering 8 CVEs
 before 5.11.0-38.42~20.04.1, plus listed versions
5.11.0-22.23~20.04.15.11.0-25.27~20.04.15.11.0-27.29~20.04.15.11.0-34.36~20.04.15.11.0-36.40~20.04.15.11.0-37.41~20.04.2
5.11.0-38.42~20.04.1
linux-oracle-5.11
Ubuntu:20.04:LTS
From an advisory covering 8 CVEs
 before 5.11.0-1020.21~20.04.1, plus listed versions
5.11.0-1008.8~20.04.15.11.0-1013.14~20.04.15.11.0-1016.17~20.04.15.11.0-1017.18~20.04.15.11.0-1019.20~20.04.1
5.11.0-1020.21~20.04.1
linux-oem-5.10
Ubuntu:20.04:LTS
From an advisory covering 16 CVEs
 before 5.10.0-1050.52, plus listed versions
5.10.0-1008.95.10.0-1011.125.10.0-1013.145.10.0-1014.155.10.0-1016.17
Show 15 moreShow less
5.10.0-1017.185.10.0-1019.205.10.0-1021.225.10.0-1022.235.10.0-1023.245.10.0-1025.265.10.0-1026.275.10.0-1029.305.10.0-1032.335.10.0-1033.345.10.0-1034.355.10.0-1038.405.10.0-1044.465.10.0-1045.475.10.0-1049.51
5.10.0-1050.52
kernel-azure
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-38.22.2
5.3.18-38.22.2
kernel-source-azure
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-38.22.1
5.3.18-38.22.1
kernel-syms-azure
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-38.22.1
5.3.18-38.22.1
dtb-aarch64
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-64kb
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-debug
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-default
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-default-base
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1.18.12.1
5.3.18-59.24.1.18.12.1
kernel-docs
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-kvmsmall
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-obs-build
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-obs-qa
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-preempt
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-source
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-syms
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-zfcpdump
openSUSE:Leap 15.3
From an advisory covering 20 CVEs
 before 5.3.18-59.24.1
5.3.18-59.24.1
kernel-source
openSUSE:Tumbleweed
From an advisory covering 119 CVEs
 before 5.14.6-1.4
5.14.6-1.4
kernel-source
openSUSE:Tumbleweed
From an advisory covering 194 CVEs
 before 6.6.17-1.1
6.6.17-1.1

History

History
RecordedChangedSources
affected
factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-38166 is a high vulnerability (CVSS 7.8) in Debian Linux, published August 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. Fixed in kernel 5.10.78.1-1.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 190 references and the rest of 5 source descriptions. The JSON record has them.

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