CVE-2023-6622

A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.

A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux SIG Cloud 8.10 Release Notes linked from the References section.

A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: GSM multiplexing race condition leads to privilege escalation (CVE-2023-6546)
• kernel: multiple use-after-free vulnerabilities (CVE-2024-1086, CVE-2023-3567, CVE-2023-4133, CVE-2023-6932, CVE-2023-39198, CVE-2023-51043, CVE-2023-51779, CVE-2023-51780, CVE-2024-1085, CVE-2024-26582)
• kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack (CVE-2020-26555)
• kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion (CVE-2022-0480)
• kernel: multiple NULL pointer dereference vulnerabilities (CVE-2022-38096, CVE-2023-6622, CVE-2023-6915, CVE-2023-42754, CVE-2023-46862, CVE-2023-52574, CVE-2024-0841, CVE-2023-52448)
• kernel: integer overflow in l2cap_config_req() in net/bluetooth/l2cap_core.c (CVE-2022-45934)
• kernel: netfilter: nf_tables: out-of-bounds access in nf_tables_newtable() (CVE-2023-6040)
• kernel: GC's deletion of an SKB races with unix_stream_read_generic() leading to UAF (CVE-2023-6531)
• kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event's read_size (CVE-2023-6931)
• kernel: Bluetooth Forward and Future Secrecy Attacks and Defenses (CVE-2023-24023)
• kernel: irdma: Improper access control (CVE-2023-25775)
• Kernel: double free in hci_conn_cleanup of the bluetooth subsystem (CVE-2023-28464)
• kernel: Bluetooth: HCI: global out-of-bounds access in net/bluetooth/hci_sync.c (CVE-2023-28866)
• kernel: race condition between HCIUARTSETPROTO and HCIUARTGETPROTO in hci_uart_tty_ioctl (CVE-2023-31083)
• kernel: multiple out-of-bounds read vulnerabilities (CVE-2023-37453, CVE-2023-39189, CVE-2023-39193, CVE-2023-6121, CVE-2023-39194)
• kernel: netfilter: race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP (CVE-2023-42756)
• kernel: lib/kobject.c vulnerable to fill_kobj_path out-of-bounds write (CVE-2023-45863)
• kernel: smb: client: fix potential OOBs in smb2_parse_contexts() (CVE-2023-52434)
• kernel: mm/sparsemem: fix race in accessing memory_section->usage (CVE-2023-52489)
• kernel: net: fix possible store tearing in neigh_periodic_work() (CVE-2023-52522)
• kernel: multiple memory leak vulnerabilities (CVE-2023-52529, CVE-2023-52581)
• kernel: net: bridge: data races indata-races in br_handle_frame_finish() (CVE-2023-52578)
• kernel: net/core: kernel crash in ETH_P_1588 flow dissector (CVE-2023-52580)
• kernel: net/sched: act_ct: fix skb leak and crash on ooo frags (CVE-2023-52610)
• kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in function receive_encrypted_standard of client (CVE-2024-0565)
• kernel: tls: race between async notify and socket close (CVE-2024-26583)
• kernel: tls: handle backlogging of crypto requests (CVE-2024-26584)
• kernel: tls: race between tx work scheduling and socket close (CVE-2024-26585)
• kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (CVE-2024-26586)
• kernel: i2c: i801: Fix block process call transactions (CVE-2024-26593)
• kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (CVE-2024-26602)
• kernel: netfilter: nf_tables: reject QUEUE/DROP verdict parameters (CVE-2024-26609)
• kernel: local dos vulnerability in scatterwalk_copychunks (CVE-2023-6176)
• kernel: perf/x86/lbr: Filter vsyscall addresses (CVE-2023-52476)
• kernel: netfilter: nf_tables: disallow timeout for anonymous sets (CVE-2023-52620)
• kernel: ip6_tunnel: fix NEXTHDR_FRAGMENT handling in ip6_tnl_parse_tlv_enc_lim() (CVE-2024-26633)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References…

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

• net: ip_tunnel: make sure to pull inner header in ip_tunnel_rcv() {CVE-2024-26882}
• tls: fix use-after-free on failed backlog decryption {CVE-2024-26800}
• tls: separate no-async decryption request handling from async {CVE-2024-26584}
• tls: decrement decrypt_pending if no async completion will be called {CVE-2024-26584}
• net: tls: fix use-after-free with partial reads and async decrypt {CVE-2024-26582}
• net: tls: handle backlogging of crypto requests {CVE-2024-26584}
• net: tls: factor out tls_*crypt_async_wait()
• tap: tap_open(): correctly initialize socket uid {CVE-2023-1076}
• tun: tun_chr_open(): correctly initialize socket uid {CVE-2023-1076}
• net: add sock_init_data_uid() {CVE-2023-1076}
• netfilter: nf_tables: bail out on mismatching dynset and set expressions {CVE-2023-6622}
• drm/qxl: fix UAF on handle creation {CVE-2023-39198}
• smb: client: fix use-after-free bug in cifs_debug_data_proc_show() {CVE-2023-52752}
• USB: core: Fix deadlock in port "disable" sysfs attribute {CVE-2024-26933}
• USB: core: Add hub_get() and hub_put() routines {CVE-2024-26933}
• USB: core: Fix deadlock in usb_deauthorize_interface() {CVE-2024-26934}
• scsi: qla2xxx: Fix double free of fcport {CVE-2024-26929}
• netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get() {CVE-2024-27020}
• net: ip_tunnel: prevent perpetual headroom growth {CVE-2024-26804}
• netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout {CVE-2024-26643}
• netfilter: nf_tables: disallow anonymous set with timeout flag {CVE-2024-26642}
• netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations {CVE-2024-26673}
• ipv6: sr: fix possible use-after-free and null-ptr-deref {CVE-2024-26735}
• fs: sysfs: Fix reference leak in sysfs_break_active_protection() {CVE-2024-26993}
• cifs: fix underflow in parse_server_interfaces() {CVE-2024-26828}
• mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path {CVE-2024-26595}
• mlxsw: spectrum_acl_tcam: Move devlink param to TCAM code {CVE-2024-26595}
• mlxsw: spectrum_acl_tcam: Make fini symmetric to init {CVE-2024-26595}
• mlxsw: spectrum_acl_tcam: Add missing mutex_destroy() {CVE-2024-26595}
• net: xfrm: Fix xfrm_address_filter OOB read {CVE-2023-39194}
• exfat: check if filename entries exceeds max filename length {CVE-2023-4273}
• xfrm: add NULL check in xfrm_update_ae_params {CVE-2023-3772}
• firmware: arm_scmi: Harden accesses to the reset domains {CVE-2022-48655}
• tcp: Reduce chance of collisions in inet6_hashfn(). {CVE-2023-1206}
• ipv4: fix null-deref in ipv4_link_failure {CVE-2023-42754}
• netfilter: nfnetlink_osf: avoid OOB read {CVE-2023-39189}
• netfilter: xt_sctp: validate the flag_info count {CVE-2023-39193}
• net: qcom/emac: Fix use after free bug in emac_remove due to race condition {CVE-2023-33203}
• net/tls: tls_is_tx_ready() checked list_entry {CVE-2023-1075}
• HID: asus: use spinlock to safely schedule workers {CVE-2023-1079}
• HID: asus: use spinlock to protect concurrent accesses {CVE-2023-1079}
• HID: intel_ish-hid: Add check for ishtp_dma_tx_map {CVE-2023-3358}
• gfs2: Don't deref jdesc in evict {CVE-2023-3212}
• fbcon: Check font dimension limits {CVE-2023-3161}
• KVM: nVMX: add missing consistency checks for CR0 and CR4 {CVE-2023-30456}
• hwmon: (xgene) Fix use after free bug in xgene_hwmon_remove due to race condition {CVE-2023-1855}
• Bluetooth: HCI: Fix global-out-of-bounds {CVE-2023-28866}
• HID: check empty report_list in hid_validate_values() {CVE-2023-1073}
• net: mpls: fix stale pointer if allocation fails during device rename {CVE-2023-26545}
• r8152: Rate limit overflow messages {CVE-2022-3594}
• drm/vmwgfx: Fix shader stage validation {CVE-2022-36402}
• Bluetooth: L2CAP: Fix attempting to access uninitialized memory {CVE-2022-42895}
• dm ioctl: fix nested locking in table_clear() to remove deadlock concern {CVE-2023-2269}
• mm/slab_common: fix slab_caches list corruption after kmem_cache_destroy() {CVE-2023-52562} -…

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.10 Release Notes linked from the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.10 Release Notes linked from the References section.

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic()on the socket that the SKB is queued on (bsc#1218447).
• CVE-2023-6610: Fixed an out of bounds read in the SMB client when printing debug information (bsc#1217946).
• CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race condition in bt_sock_recvmsg (bsc#1218559).
• CVE-2020-26555: Fixed Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B that may permit an unauthenticated nearby device to spoof the BD_ADDR of the peer device to complete pairing without knowledge of the PIN (bsc#1179610 bsc#1215237).
• CVE-2023-6606: Fixed an out of bounds read in the SMB client when receiving a malformed length from a server (bsc#1217947).
• CVE-2023-6546: Fixed a race condition in the GSM 0710 tty multiplexor via the GSMIOC_SETCONF ioctl that could lead to local privilege escalation (bsc#1218335).
• CVE-2023-6931: Fixed a heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component that could lead to local privilege escalation. (bsc#1218258).
• CVE-2023-6932: Fixed a use-after-free vulnerability in the Linux kernel's ipv4: igmp component that could lead to local privilege escalation (bsc#1218253).
• CVE-2023-6622: Fixed a null pointer dereference vulnerability in nft_dynset_init() that could allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service (bsc#1217938).
• CVE-2023-6121: Fixed an out-of-bounds read vulnerability in the NVMe-oF/TCP subsystem that could lead to information leak (bsc#1217250).

The following non-security bugs were fixed:

• Documentation: KVM: add separate directories for architecture-specific documentation (jsc#PED-7167).
• Documentation: KVM: update amd-memory-encryption.rst references (jsc#PED-7167).
• Documentation: KVM: update msr.rst reference (jsc#PED-7167).
• Documentation: KVM: update s390-diag.rst reference (jsc#PED-7167).
• Documentation: KVM: update s390-pv.rst reference (jsc#PED-7167).
• Documentation: drop more IDE boot options and ide-cd.rst (git-fixes).
• Documentation: qat: Use code block for qat sysfs example (git-fixes).
• Drop Documentation/ide/ (git-fixes).
• Fix crash on screen resize (bsc#1218229)
• Fix drm gem object underflow (bsc#1218092)
• KVM: arm64: Prevent kmemleak from accessing pKVM memory (jsc#PED-7167).
• KVM: s390/mm: Properly reset no-dat (git-fixes bsc#1218056).
• KVM: s390: vsie: fix wrong VIR 37 when MSO is used (git-fixes bsc#1217933).
• Revert 'PCI/ASPM: Remove pcie_aspm_pm_state_change()' (git-fixes).
• Revert 'PCI: acpiphp: Reassign resources on bridge if necessary' (git-fixes).
• Revert 'md: unlock mddev before reap sync_thread in action_store' (git-fixes).
• Revert 'swiotlb: panic if nslabs is too small' (git-fixes).
• Revert 'xhci: Loosen RPM as default policy to cover for AMD xHC 1.1' (git-fixes).
• USB: serial: ftdi_sio: update Actisense PIDs constant names (git-fixes).
• USB: serial: option: add Foxconn T99W265 with new baseline (git-fixes).
• USB: serial: option: add Quectel EG912Y module support (git-fixes).
• USB: serial: option: add Quectel RM500Q R13 firmware support (git-fixes).
• Update: drm/vmwgfx: Keep a gem reference to user bos in surfaces
• acpi: video: Add backlight=native DMI quirk for Lenovo Ideapad Z470 (git-fixes).
• acpi: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects (git-fixes).
• acpica: Add AML_NO_OPERAND_RESOLVE flag to Timer (git-fixes).
• afs: Fix afs_server_list to be cleaned up with RCU (git-fixes).
• afs: Fix dynamic root lookup DNS check (git-fixes).
• afs: Fix file locking on R/O volumes to operate in local mode (git-fixes).
• afs: Fix overwriting of result of DNS query (git-fixes).
• afs: Fix refcount underflow from error handling race…

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on (bsc#1218447).
• CVE-2023-6610: Fixed an out of bounds read in the SMB client when printing debug information (bsc#1217946).
• CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race condition in bt_sock_recvmsg (bsc#1218559).
• CVE-2020-26555: Fixed an issue during BR/EDR PIN code pairing in the Bluetooth subsystem that would allow replay attacks (bsc#1179610 bsc#1215237).
• CVE-2023-6606: Fixed an out of bounds read in the SMB client when receiving a malformed length from a server (bsc#1217947).
• CVE-2023-6546: Fixed a race condition in the GSM 0710 tty multiplexor via the GSMIOC_SETCONF ioctl that could lead to local privilege escalation (bsc#1218335).
• CVE-2023-6931: Fixed a heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component that could lead to local privilege escalation. (bsc#1218258).
• CVE-2023-6932: Fixed a use-after-free vulnerability in the Linux kernel's ipv4: igmp component that could lead to local privilege escalation (bsc#1218253).
• CVE-2023-6622: Fixed a null pointer dereference vulnerability in nft_dynset_init() that could allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service (bsc#1217938).
• CVE-2023-6121: Fixed an information leak via dmesg when receiving a crafted packet in the NVMe-oF/TCP subsystem (bsc#1217250).

The following non-security bugs were fixed:

• Reviewed and added more information to README.SUSE (jsc#PED-5021).
• Build in the correct KOTD repository with multibuild (JSC-SLE#5501, boo#1211226, bsc#1218184) With multibuild setting repository flags is no longer supported for individual spec files - see https://github.com/openSUSE/open-build-service/issues/3574 Add ExclusiveArch conditional that depends on a macro set up by bs-upload-kernel instead. With that each package should build only in one repository - either standard or QA. Note: bs-upload-kernel does not interpret rpm conditionals, and only uses the first ExclusiveArch line to determine the architectures to enable.
• KVM: s390/mm: Properly reset no-dat (bsc#1218056).
• KVM: s390: vsie: fix wrong VIR 37 when MSO is used (bsc#1217933).
• KVM: x86: Mask LVTPC when handling a PMI (jsc#PED-7322).
• NFS: Fix O_DIRECT locking issues (bsc#1211162).
• NFS: Fix a few more clear_bit() instances that need release semantics (bsc#1211162).
• NFS: Fix a potential data corruption (bsc#1211162).
• NFS: Fix a use after free in nfs_direct_join_group() (bsc#1211162).
• NFS: Fix error handling for O_DIRECT write scheduling (bsc#1211162).
• NFS: More O_DIRECT accounting fixes for error paths (bsc#1211162).
• NFS: More fixes for nfs_direct_write_reschedule_io() (bsc#1211162).
• NFS: Use the correct commit info in nfs_join_page_group() (bsc#1211162).
• NLM: Defend against file_lock changes after vfs_test_lock() (bsc#1217692).
• Updated SPI patches for NVIDIA Grace enablement (bsc#1212584, jsc#PED-3459).
• block: fix revalidate performance regression (bsc#1216057).
• bpf: Adjust insufficient default bpf_jit_limit (bsc#1218234).
• ceph: fix incorrect revoked caps assert in ceph_fill_file_size() (bsc#1217980).
• ceph: fix type promotion bug on 32bit systems (bsc#1217982).
• clocksource: Add a Kconfig option for WATCHDOG_MAX_SKEW (bsc#1215885 bsc#1217217).
• clocksource: Enable TSC watchdog checking of HPET and PMTMR only when requested (bsc#1215885 bsc#1217217).
• clocksource: Handle negative skews in 'skew is too large' messages (bsc#1215885 bsc#1217217).
• clocksource: Improve 'skew is too large' messages (bsc#1215885 bsc#1217217).
• clocksource: Improve read-back-delay message (bsc#1215885 bsc#1217217).
• clocksource: Loosen clocksource…

The SUSE Linux Enterprise 15 SP5 Azure kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic()on the socket that the SKB is queued on (bsc#1218447).
• CVE-2023-6610: Fixed an out of bounds read in the SMB client when printing debug information (bsc#1217946).
• CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race condition in bt_sock_recvmsg (bsc#1218559).
• CVE-2020-26555: Fixed Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B that may permit an unauthenticated nearby device to spoof the BD_ADDR of the peer device to complete pairing without knowledge of the PIN (bsc#1179610 bsc#1215237).
• CVE-2023-6606: Fixed an out of bounds read in the SMB client when receiving a malformed length from a server (bsc#1217947).
• CVE-2023-6546: Fixed a race condition in the GSM 0710 tty multiplexor via the GSMIOC_SETCONF ioctl that could lead to local privilege escalation (bsc#1218335).
• CVE-2023-6931: Fixed a heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component that could lead to local privilege escalation. (bsc#1218258).
• CVE-2023-6932: Fixed a use-after-free vulnerability in the Linux kernel's ipv4: igmp component that could lead to local privilege escalation (bsc#1218253).
• CVE-2023-6622: Fixed a null pointer dereference vulnerability in nft_dynset_init() that could allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service (bsc#1217938).
• CVE-2023-6121: Fixed an out-of-bounds read vulnerability in the NVMe-oF/TCP subsystem that could lead to information leak (bsc#1217250).

The following non-security bugs were fixed:

• Documentation: KVM: add separate directories for architecture-specific documentation (jsc#PED-7167).
• Documentation: KVM: update amd-memory-encryption.rst references (jsc#PED-7167).
• Documentation: KVM: update msr.rst reference (jsc#PED-7167).
• Documentation: KVM: update s390-diag.rst reference (jsc#PED-7167).
• Documentation: KVM: update s390-pv.rst reference (jsc#PED-7167).
• Documentation: drop more IDE boot options and ide-cd.rst (git-fixes).
• Documentation: qat: Use code block for qat sysfs example (git-fixes).
• Drop Documentation/ide/ (git-fixes).
• Fix crash on screen resize (bsc#1218229)
• Fix drm gem object underflow (bsc#1218092)
• Revert 'Limit kernel-source-azure build to architectures for which we build binaries (bsc#1108281).'
• Revert 'PCI/ASPM: Remove pcie_aspm_pm_state_change()' (git-fixes).
• Revert 'PCI: acpiphp: Reassign resources on bridge if necessary' (git-fixes).
• Revert 'md: unlock mddev before reap sync_thread in action_store' (git-fixes).
• Revert 'swiotlb: panic if nslabs is too small' (git-fixes).
• Revert 'xhci: Loosen RPM as default policy to cover for AMD xHC 1.1' (git-fixes).
• Update: drm/vmwgfx: Keep a gem reference to user bos in surfaces
• acpi: video: Add backlight=native DMI quirk for Lenovo Ideapad Z470 (git-fixes).
• acpi: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects (git-fixes).
• acpica: Add AML_NO_OPERAND_RESOLVE flag to Timer (git-fixes).
• afs: Fix afs_server_list to be cleaned up with RCU (git-fixes).
• afs: Fix dynamic root lookup DNS check (git-fixes).
• afs: Fix file locking on R/O volumes to operate in local mode (git-fixes).
• afs: Fix overwriting of result of DNS query (git-fixes).
• afs: Fix refcount underflow from error handling race (git-fixes).
• afs: Fix the dynamic root's d_delete to always delete unused dentries (git-fixes).
• afs: Fix use-after-free due to get/remove race in volume tree (git-fixes).
• afs: Make error on cell lookup failure consistent with OpenAFS (git-fixes).
• afs: Return ENOENT if no cell DNS record can be found (git-fixes).
• alsa: hda - Fix speaker and headset mic pin config for CHUWI CoreBook XPro…

The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic()on the socket that the SKB is queued on (bsc#1218447).
• CVE-2023-6610: Fixed an out of bounds read in the SMB client when printing debug information (bsc#1217946).
• CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race condition in bt_sock_recvmsg (bsc#1218559).
• CVE-2020-26555: Fixed an issue during BR/EDR PIN code pairing in the Bluetooth subsystem that would allow replay attacks (bsc#1179610 bsc#1215237).
• CVE-2023-6606: Fixed an out of bounds read in the SMB client when receiving a malformed length from a server (bsc#1217947).
• CVE-2023-6546: Fixed a race condition in the GSM 0710 tty multiplexor via the GSMIOC_SETCONF ioctl that could lead to local privilege escalation (bsc#1218335).
• CVE-2023-6931: Fixed an out of bounds write in the Performance Events subsystem when adding a new event (bsc#1218258).
• CVE-2023-6932: Fixed a use-after-free issue when receiving an IGMP query packet due to reference count mismanagement (bsc#1218253).
• CVE-2023-6622: Fixed a null pointer dereference vulnerability in nft_dynset_init() that could allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service (bsc#1217938).
• CVE-2023-6121: Fixed an information leak via dmesg when receiving a crafted packet in the NVMe-oF/TCP subsystem (bsc#1217250).

The following non-security bugs were fixed:

• Reviewed and added more information to README.SUSE (jsc#PED-5021).
• Enabled multibuild for kernel packages (JSC-SLE#5501, boo#1211226, bsc#1218184).
• Drop drm/bridge lt9611uxc patches that have been reverted on stable trees
• KVM: s390/mm: Properly reset no-dat (bsc#1218056).
• KVM: s390: vsie: fix wrong VIR 37 when MSO is used (bsc#1217933).
• KVM: x86: Mask LVTPC when handling a PMI (jsc#PED-7322).
• NFS: Fix O_DIRECT locking issues (bsc#1211162).
• NFS: Fix a few more clear_bit() instances that need release semantics (bsc#1211162).
• NFS: Fix a potential data corruption (bsc#1211162).
• NFS: Fix a use after free in nfs_direct_join_group() (bsc#1211162).
• NFS: Fix error handling for O_DIRECT write scheduling (bsc#1211162).
• NFS: More O_DIRECT accounting fixes for error paths (bsc#1211162).
• NFS: More fixes for nfs_direct_write_reschedule_io() (bsc#1211162).
• NFS: Use the correct commit info in nfs_join_page_group() (bsc#1211162).
• NLM: Defend against file_lock changes after vfs_test_lock() (bsc#1217692).
• Updated SPI patches for NVIDIA Grace enablement (bsc#1212584 jsc#PED-3459)
• block: fix revalidate performance regression (bsc#1216057).
• bpf: Adjust insufficient default bpf_jit_limit (bsc#1218234).
• ceph: fix incorrect revoked caps assert in ceph_fill_file_size() (bsc#1217980).
• ceph: fix type promotion bug on 32bit systems (bsc#1217982).
• clocksource: Add a Kconfig option for WATCHDOG_MAX_SKEW (bsc#1215885 bsc#1217217).
• clocksource: Enable TSC watchdog checking of HPET and PMTMR only when requested (bsc#1215885 bsc#1217217).
• clocksource: Handle negative skews in 'skew is too large' messages (bsc#1215885 bsc#1217217).
• clocksource: Improve 'skew is too large' messages (bsc#1215885 bsc#1217217).
• clocksource: Improve read-back-delay message (bsc#1215885 bsc#1217217).
• clocksource: Loosen clocksource watchdog constraints (bsc#1215885 bsc#1217217).
• clocksource: Print clocksource name when clocksource is tested unstable (bsc#1215885 bsc#1217217).
• clocksource: Verify HPET and PMTMR when TSC unverified (bsc#1215885 bsc#1217217).
• dm_blk_ioctl: implement path failover for SG_IO (bsc#1183045, bsc#1216776).
• fuse: dax: set fc->dax to NULL in fuse_dax_conn_free() (bsc#1218659).
• libceph: use kernel_connect() (bsc#1217981).
• mm: kmem: drop __GFP_NOFAIL when allocating objcg vectors (bsc#1218515). -…

The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-26555: Fixed Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B that may permit an unauthenticated nearby device to spoof the BD_ADDR of the peer device to complete pairing without knowledge of the PIN (bsc#1179610 bsc#1215237).
• CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race condition in bt_sock_recvmsg (bsc#1218559).
• CVE-2023-6121: Fixed an out-of-bounds read vulnerability in the NVMe-oF/TCP subsystem that could lead to information leak (bsc#1217250).
• CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic()on the socket that the SKB is queued on (bsc#1218447).
• CVE-2023-6546: Fixed a race condition in the GSM 0710 tty multiplexor via the GSMIOC_SETCONF ioctl that could lead to local privilege escalation (bsc#1218335).
• CVE-2023-6606: Fixed an out-of-bounds read vulnerability in smbCalcSize in fs/smb/client/netmisc.c that could allow a local attacker to crash the system or leak internal kernel information (bsc#1217947).
• CVE-2023-6610: Fixed an out-of-bounds read vulnerability in smb2_dump_detail in fs/smb/client/smb2ops.c that could allow a local attacker to crash the system or leak internal kernel information (bsc#1217946).
• CVE-2023-6622: Fixed a null pointer dereference vulnerability in nft_dynset_init() that could allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service (bsc#1217938).
• CVE-2023-6931: Fixed a heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component that could lead to local privilege escalation. (bsc#1218258).
• CVE-2023-6932: Fixed a use-after-free vulnerability in the Linux kernel's ipv4: igmp component that could lead to local privilege escalation (bsc#1218253).

The following non-security bugs were fixed:

• Documentation: KVM: add separate directories for architecture-specific documentation (jsc#PED-7167).
• Documentation: KVM: update amd-memory-encryption.rst references (jsc#PED-7167).
• Documentation: KVM: update msr.rst reference (jsc#PED-7167).
• Documentation: KVM: update s390-diag.rst reference (jsc#PED-7167).
• Documentation: KVM: update s390-pv.rst reference (jsc#PED-7167).
• Documentation: drop more IDE boot options and ide-cd.rst (git-fixes).
• Documentation: qat: Use code block for qat sysfs example (git-fixes).
• Drop Documentation/ide/ (git-fixes).
• Fix crash in vmw_context_cotables_unref when 3d support is enabled (bsc#1218738)
• Fix crash on screen resize (bsc#1218229)
• Fix drm gem object underflow (bsc#1218092)
• Revert 'PCI/ASPM: Remove pcie_aspm_pm_state_change()' (git-fixes).
• Revert 'PCI: acpiphp: Reassign resources on bridge if necessary' (git-fixes).
• Revert 'md: unlock mddev before reap sync_thread in action_store' (git-fixes).
• Revert 'swiotlb: panic if nslabs is too small' (git-fixes).
• Revert 'xhci: Loosen RPM as default policy to cover for AMD xHC 1.1' (git-fixes).
• Update: drm/vmwgfx: Keep a gem reference to user bos in surfaces
• acpi: video: Add backlight=native DMI quirk for Lenovo Ideapad Z470 (git-fixes).
• acpi: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects (git-fixes).
• acpica: Add AML_NO_OPERAND_RESOLVE flag to Timer (git-fixes).
• afs: Fix afs_server_list to be cleaned up with RCU (git-fixes).
• afs: Fix dynamic root lookup DNS check (git-fixes).
• afs: Fix file locking on R/O volumes to operate in local mode (git-fixes).
• afs: Fix overwriting of result of DNS query (git-fixes).
• afs: Fix refcount underflow from error handling race (git-fixes).
• afs: Fix the dynamic root's d_delete to always delete unused dentries (git-fixes).
• afs: Fix use-after-free due to get/remove race in volume tree (git-fixes).
• afs: Make error on cell lookup failure consistent with OpenAFS…

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service (paravirtualized device unavailability). (CVE-2023-34324)

Zheng Wang discovered a use-after-free in the Renesas Ethernet AVB driver in the Linux kernel during device removal. A privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-35827)

Tom Dohrmann discovered that the Secure Encrypted Virtualization (SEV) implementation for AMD processors in the Linux kernel contained a race condition when accessing MMIO registers. A local attacker in a SEV guest VM could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-46813)

It was discovered that the io_uring subsystem in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-46862)

It was discovered that the netfilter subsystem in the Linux kernel did not properly validate inner tunnel netlink attributes, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-5972)

It was discovered that the TLS subsystem in the Linux kernel did not properly perform cryptographic operations in some situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6176)

Jann Horn discovered that a race condition existed in the Linux kernel when handling io_uring over sockets, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6531)

Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did not properly handle dynset expressions passed from userspace, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-6622)

It was discovered that the TIPC protocol implementation in the Linux kernel did not properly handle locking during tipc_crypto_key_revoke() operations. A local attacker could use this to cause a denial of service (kernel deadlock). (CVE-2024-0641)

Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-32250, CVE-2023-32252, CVE-2023-32257)

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service (paravirtualized device unavailability). (CVE-2023-34324)

Zheng Wang discovered a use-after-free in the Renesas Ethernet AVB driver in the Linux kernel during device removal. A privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-35827)

Tom Dohrmann discovered that the Secure Encrypted Virtualization (SEV) implementation for AMD processors in the Linux kernel contained a race condition when accessing MMIO registers. A local attacker in a SEV guest VM could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-46813)

It was discovered that the Microchip USB Ethernet driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2023-6039)

It was discovered that the TLS subsystem in the Linux kernel did not properly perform cryptographic operations in some situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6176)

Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did not properly handle dynset expressions passed from userspace, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-6622)

It was discovered that the TIPC protocol implementation in the Linux kernel did not properly handle locking during tipc_crypto_key_revoke() operations. A local attacker could use this to cause a denial of service (kernel deadlock). (CVE-2024-0641)

Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-32250, CVE-2023-32252, CVE-2023-32257)

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service (paravirtualized device unavailability). (CVE-2023-34324)

Zheng Wang discovered a use-after-free in the Renesas Ethernet AVB driver in the Linux kernel during device removal. A privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-35827)

Tom Dohrmann discovered that the Secure Encrypted Virtualization (SEV) implementation for AMD processors in the Linux kernel contained a race condition when accessing MMIO registers. A local attacker in a SEV guest VM could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-46813)

It was discovered that the Microchip USB Ethernet driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2023-6039)

It was discovered that the TLS subsystem in the Linux kernel did not properly perform cryptographic operations in some situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6176)

Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did not properly handle dynset expressions passed from userspace, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-6622)

It was discovered that the TIPC protocol implementation in the Linux kernel did not properly handle locking during tipc_crypto_key_revoke() operations. A local attacker could use this to cause a denial of service (kernel deadlock). (CVE-2024-0641)

Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-32250, CVE-2023-32252, CVE-2023-32257)

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service (paravirtualized device unavailability). (CVE-2023-34324)

Zheng Wang discovered a use-after-free in the Renesas Ethernet AVB driver in the Linux kernel during device removal. A privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-35827)

Tom Dohrmann discovered that the Secure Encrypted Virtualization (SEV) implementation for AMD processors in the Linux kernel contained a race condition when accessing MMIO registers. A local attacker in a SEV guest VM could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-46813)

It was discovered that the Microchip USB Ethernet driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2023-6039)

It was discovered that the TLS subsystem in the Linux kernel did not properly perform cryptographic operations in some situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6176)

Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did not properly handle dynset expressions passed from userspace, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-6622)

It was discovered that the TIPC protocol implementation in the Linux kernel did not properly handle locking during tipc_crypto_key_revoke() operations. A local attacker could use this to cause a denial of service (kernel deadlock). (CVE-2024-0641)

Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-32250, CVE-2023-32252, CVE-2023-32257)

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service (paravirtualized device unavailability). (CVE-2023-34324)

Zheng Wang discovered a use-after-free in the Renesas Ethernet AVB driver in the Linux kernel during device removal. A privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-35827)

Tom Dohrmann discovered that the Secure Encrypted Virtualization (SEV) implementation for AMD processors in the Linux kernel contained a race condition when accessing MMIO registers. A local attacker in a SEV guest VM could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-46813)

It was discovered that the Microchip USB Ethernet driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2023-6039)

Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2023-6040)

It was discovered that the TLS subsystem in the Linux kernel did not properly perform cryptographic operations in some situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6176)

It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CIFS image that, when operated on, could cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-6606)

Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did not properly handle dynset expressions passed from userspace, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-6622)

Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did not properly handle inactive elements in its PIPAPO data structure, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6817)

Budimir Markovic, Lucas De Marchi, and Pengfei Xu discovered that the perf subsystem in the Linux kernel did not properly validate all event sizes when attaching new events, leading to an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6931)

It was discovered that the IGMP protocol implementation in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6932)

Kevin Rich discovered that the netfilter subsystem in the Linux kernel did not properly check deactivated elements in certain situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2024-0193)

It was discovered that the TIPC protocol implementation in…

Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-32250, CVE-2023-32252, CVE-2023-32257)

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service (paravirtualized device unavailability). (CVE-2023-34324)

Zheng Wang discovered a use-after-free in the Renesas Ethernet AVB driver in the Linux kernel during device removal. A privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-35827)

Tom Dohrmann discovered that the Secure Encrypted Virtualization (SEV) implementation for AMD processors in the Linux kernel contained a race condition when accessing MMIO registers. A local attacker in a SEV guest VM could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-46813)

It was discovered that the Microchip USB Ethernet driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2023-6039)

Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2023-6040)

It was discovered that the TLS subsystem in the Linux kernel did not properly perform cryptographic operations in some situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6176)

It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CIFS image that, when operated on, could cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-6606)

Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did not properly handle dynset expressions passed from userspace, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-6622)

Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did not properly handle inactive elements in its PIPAPO data structure, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6817)

Budimir Markovic, Lucas De Marchi, and Pengfei Xu discovered that the perf subsystem in the Linux kernel did not properly validate all event sizes when attaching new events, leading to an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6931)

It was discovered that the IGMP protocol implementation in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6932)

Kevin Rich discovered that the netfilter subsystem in the Linux kernel did not properly check deactivated elements in certain situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2024-0193)

It was discovered that the TIPC protocol implementation in…

It was discovered that a race condition existed in the ATM (Asynchronous Transfer Mode) subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-51780)

It was discovered that a race condition existed in the AppleTalk networking subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-51781)

It was discovered that a race condition existed in the Rose X.25 protocol implementation in the Linux kernel, leading to a use-after- free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-51782)

Alon Zahavi discovered that the NVMe-oF/TCP subsystem of the Linux kernel did not properly handle connect command payloads in certain situations, leading to an out-of-bounds read vulnerability. A remote attacker could use this to expose sensitive information (kernel memory). (CVE-2023-6121)

Jann Horn discovered that a race condition existed in the Linux kernel when handling io_uring over sockets, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6531)

Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did not properly handle dynset expressions passed from userspace, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-6622)

It was discovered that the IGMP protocol implementation in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6932)

Robert Morris discovered that the CIFS network file system implementation in the Linux kernel did not properly validate certain server commands fields, leading to an out-of-bounds read vulnerability. An attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2024-0565)

Dan Carpenter discovered that the netfilter subsystem in the Linux kernel did not store data in properly sized memory locations. A local user could use this to cause a denial of service (system crash). (CVE-2024-0607)

Jann Horn discovered that the TLS subsystem in the Linux kernel did not properly handle spliced messages, leading to an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2024-0646)

Yang Chaoming discovered that the KSMBD implementation in the Linux kernel did not properly validate request buffer sizes, leading to an out-of-bounds read vulnerability. An attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2024-22705)