CVE-2022-1789

With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the invlpg callback is not set and the result is a NULL pointer dereference.

The Linux Kernel, the operating system core itself.

Security Fix(es):

There are use-after-free vulnerabilities in net/ax25/af_ax25.c of linux that allow attacker to crash linux kernel by simulating ax25 device from user space.(CVE-2022-1204)

The Linux kernel before 5.17.2 mishandles seccomp permissions. The PTRACE_SEIZE code path allows attackers to bypass intended restrictions on setting the PT_SUSPEND_SECCOMP flag.(CVE-2022-30594)

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2022-33981. Reason: This candidate is a reservation duplicate of CVE-2022-33981. Notes: All CVE users should reference CVE-2022-33981 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.(CVE-2022-1836)

With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the invlpg callback is not set and the result is a NULL pointer dereference.(CVE-2022-1789)

Uncontrolled resource consumption in the Linux kernel drivers for Intel(R) SGX may allow an authenticated user to potentially enable denial of service via local access.(CVE-2021-33135)

perf: Fix sys_perf_event_open() race against self(CVE-2022-1729)

With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the invlpg callback is not set and the result is a NULL pointer dereference.

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

Security Fix(es):

• use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896)
• net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)
• hw: cpu: AMD CPUs may transiently execute beyond unconditional direct branch (CVE-2021-26341)
• malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory (CVE-2021-33655)
• possible race condition in drivers/tty/tty_buffers.c (CVE-2022-1462)
• KVM: NULL pointer dereference in kvm_mmu_invpcid_gva (CVE-2022-1789)
• use-after-free in free_pipe_info() could lead to privilege escalation (CVE-2022-1882)
• KVM: nVMX: missing IBPB when exiting from nested guest can lead to Spectre v2 attacks (CVE-2022-2196)
• netfilter: nf_conntrack_irc message handling issue (CVE-2022-2663)
• race condition in xfrm_probe_algs can lead to OOB read/write (CVE-2022-3028)
• out-of-bounds read in fib_nh_match of the file net/ipv4/fib_semantics.c (CVE-2022-3435)
• race condition in hugetlb_no_page() in mm/hugetlb.c (CVE-2022-3522)
• memory leak in ipv6_renew_options() (CVE-2022-3524)
• data races around icsk->icsk_af_ops in do_ipv6_setsockopt (CVE-2022-3566)
• data races around sk->sk_prot (CVE-2022-3567)
• memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c (CVE-2022-3619)
• denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry (CVE-2022-3623)
• use-after-free after failed devlink reload in devlink_param_get (CVE-2022-3625)
• USB-accessible buffer overflow in brcmfmac (CVE-2022-3628)
• use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c (CVE-2022-3640)
• Double-free in split_2MB_gtt_entry when function intel_gvt_dma_map_guest_page failed (CVE-2022-3707)
• mptcp: NULL pointer dereference in subflow traversal at disconnect time (CVE-2022-4128)
• l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference (CVE-2022-4129)
• igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets (CVE-2022-20141)
• lockdown bypass using IMA (CVE-2022-21505)
• double free in usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c (CVE-2022-28388)
• network backend may cause Linux netfront to use freed SKBs (XSA-405) (CVE-2022-33743)
• unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry (CVE-2022-39188)
• TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning (CVE-2022-39189)
• u8 overflow problem in cfg80211_update_notlisted_nontrans() (CVE-2022-41674)
• use-after-free related to leaf anon_vma double reuse (CVE-2022-42703)
• use-after-free in bss_ref_get in net/wireless/scan.c (CVE-2022-42720)
• BSS list corruption in cfg80211_add_nontrans_list in net/wireless/scan.c (CVE-2022-42721)
• Denial of service in beacon protection for P2P-device (CVE-2022-42722)
• memory corruption in usbmon driver (CVE-2022-43750)
• NULL pointer dereference in traffic control subsystem (CVE-2022-47929)
• NULL pointer dereference in rawv6_push_pending_frames (CVE-2023-0394)
• use-after-free due to race condition in qdisc_graft() (CVE-2023-0590)
• use-after-free caused by invalid pointer hostname in fs/cifs/connect.c (CVE-2023-1195)
• denial of service in tipc_conn_close (CVE-2023-1382)

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):

• use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896)
• net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)
• cpu: AMD CPUs may transiently execute beyond unconditional direct branch (CVE-2021-26341)
• malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory (CVE-2021-33655)
• possible race condition in drivers/tty/tty_buffers.c (CVE-2022-1462)
• KVM: NULL pointer dereference in kvm_mmu_invpcid_gva (CVE-2022-1789)
• use-after-free in free_pipe_info() could lead to privilege escalation (CVE-2022-1882)
• KVM: nVMX: missing IBPB when exiting from nested guest can lead to Spectre v2 attacks (CVE-2022-2196)
• netfilter: nf_conntrack_irc message handling issue (CVE-2022-2663)
• race condition in xfrm_probe_algs can lead to OOB read/write (CVE-2022-3028)
• out-of-bounds read in fib_nh_match of the file net/ipv4/fib_semantics.c (CVE-2022-3435)
• race condition in hugetlb_no_page() in mm/hugetlb.c (CVE-2022-3522)
• memory leak in ipv6_renew_options() (CVE-2022-3524)
• data races around icsk->icsk_af_ops in do_ipv6_setsockopt (CVE-2022-3566)
• data races around sk->sk_prot (CVE-2022-3567)
• memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c (CVE-2022-3619)
• denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry (CVE-2022-3623)
• use-after-free after failed devlink reload in devlink_param_get (CVE-2022-3625)
• USB-accessible buffer overflow in brcmfmac (CVE-2022-3628)
• use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c (CVE-2022-3640)
• Double-free in split_2MB_gtt_entry when function intel_gvt_dma_map_guest_page failed (CVE-2022-3707)
• mptcp: NULL pointer dereference in subflow traversal at disconnect time (CVE-2022-4128)
• l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference (CVE-2022-4129)
• igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets (CVE-2022-20141)
• lockdown bypass using IMA (CVE-2022-21505)
• double free in usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c (CVE-2022-28388)
• network backend may cause Linux netfront to use freed SKBs (XSA-405) (CVE-2022-33743)
• unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry (CVE-2022-39188)
• TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning (CVE-2022-39189)
• u8 overflow problem in cfg80211_update_notlisted_nontrans() (CVE-2022-41674)
• use-after-free related to leaf anon_vma double reuse (CVE-2022-42703)
• use-after-free in bss_ref_get in net/wireless/scan.c (CVE-2022-42720)
• BSS list corruption in cfg80211_add_nontrans_list in net/wireless/scan.c (CVE-2022-42721)
• Denial of service in beacon protection for P2P-device (CVE-2022-42722)
• memory corruption in usbmon driver (CVE-2022-43750)
• NULL pointer dereference in traffic control subsystem (CVE-2022-47929)
• NULL pointer dereference in rawv6_push_pending_frames (CVE-2023-0394)
• use-after-free due to race condition in qdisc_graft() (CVE-2023-0590)
• use-after-free caused by invalid pointer hostname in fs/cifs/connect.c (CVE-2023-1195)
• denial of service in tipc_conn_close (CVE-2023-1382)

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

Security Fix(es):

• use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)
• net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)
• hw: cpu: AMD CPUs may transiently execute beyond unconditional direct branch (CVE-2021-26341)
• malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory (CVE-2021-33655)
• when setting font with malicious data by ioctl PIO_FONT, kernel will write memory out of bounds (CVE-2021-33656)
• possible race condition in drivers/tty/tty_buffers.c (CVE-2022-1462)
• use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges (CVE-2022-1679)
• KVM: NULL pointer dereference in kvm_mmu_invpcid_gva (CVE-2022-1789)
• KVM: nVMX: missing IBPB when exiting from nested guest can lead to Spectre v2 attacks (CVE-2022-2196)
• netfilter: nf_conntrack_irc message handling issue (CVE-2022-2663)
• race condition in xfrm_probe_algs can lead to OOB read/write (CVE-2022-3028)
• media: em28xx: initialize refcount before kref_get (CVE-2022-3239)
• race condition in hugetlb_no_page() in mm/hugetlb.c (CVE-2022-3522)
• memory leak in ipv6_renew_options() (CVE-2022-3524)
• data races around icsk->icsk_af_ops in do_ipv6_setsockopt (CVE-2022-3566)
• data races around sk->sk_prot (CVE-2022-3567)
• memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c (CVE-2022-3619)
• denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry (CVE-2022-3623)
• use-after-free after failed devlink reload in devlink_param_get (CVE-2022-3625)
• USB-accessible buffer overflow in brcmfmac (CVE-2022-3628)
• Double-free in split_2MB_gtt_entry when function intel_gvt_dma_map_guest_page failed (CVE-2022-3707)
• l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference (CVE-2022-4129)
• igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets (CVE-2022-20141)
• Executable Space Protection Bypass (CVE-2022-25265)
• Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option (CVE-2022-30594)
• unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry (CVE-2022-39188)
• TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning (CVE-2022-39189)
• Report vmalloc UAF in dvb-core/dmxdev (CVE-2022-41218)
• u8 overflow problem in cfg80211_update_notlisted_nontrans() (CVE-2022-41674)
• use-after-free related to leaf anon_vma double reuse (CVE-2022-42703)
• use-after-free in bss_ref_get in net/wireless/scan.c (CVE-2022-42720)
• BSS list corruption in cfg80211_add_nontrans_list in net/wireless/scan.c (CVE-2022-42721)
• Denial of service in beacon protection for P2P-device (CVE-2022-42722)
• memory corruption in usbmon driver (CVE-2022-43750)
• NULL pointer dereference in traffic control subsystem (CVE-2022-47929)
• NULL pointer dereference in rawv6_push_pending_frames (CVE-2023-0394)
• use-after-free caused by invalid pointer hostname in fs/cifs/connect.c (CVE-2023-1195)
• Soft lockup occurred during __page_mapcount (CVE-2023-1582)
• slab-out-of-bounds read vulnerabilities in cbq_classify (CVE-2023-23454)

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.

The following packages have been upgraded to a later upstream version: kernel (4.18.0). (BZ#2122230, BZ#2122267)

Security Fix(es):

• use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)
• net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)
• hw: cpu: AMD CPUs may transiently execute beyond unconditional direct branch (CVE-2021-26341)
• malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory (CVE-2021-33655)
• when setting font with malicious data by ioctl PIO_FONT, kernel will write memory out of bounds (CVE-2021-33656)
• possible race condition in drivers/tty/tty_buffers.c (CVE-2022-1462)
• use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges (CVE-2022-1679)
• KVM: NULL pointer dereference in kvm_mmu_invpcid_gva (CVE-2022-1789)
• KVM: nVMX: missing IBPB when exiting from nested guest can lead to Spectre v2 attacks (CVE-2022-2196)
• netfilter: nf_conntrack_irc message handling issue (CVE-2022-2663)
• race condition in xfrm_probe_algs can lead to OOB read/write (CVE-2022-3028)
• media: em28xx: initialize refcount before kref_get (CVE-2022-3239)
• race condition in hugetlb_no_page() in mm/hugetlb.c (CVE-2022-3522)
• memory leak in ipv6_renew_options() (CVE-2022-3524)
• data races around icsk->icsk_af_ops in do_ipv6_setsockopt (CVE-2022-3566)
• data races around sk->sk_prot (CVE-2022-3567)
• memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c (CVE-2022-3619)
• denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry (CVE-2022-3623)
• use-after-free after failed devlink reload in devlink_param_get (CVE-2022-3625)
• USB-accessible buffer overflow in brcmfmac (CVE-2022-3628)
• Double-free in split_2MB_gtt_entry when function intel_gvt_dma_map_guest_page failed (CVE-2022-3707)
• l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference (CVE-2022-4129)
• igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets (CVE-2022-20141)
• Executable Space Protection Bypass (CVE-2022-25265)
• Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option (CVE-2022-30594)
• unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry (CVE-2022-39188)
• TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning (CVE-2022-39189)
• Report vmalloc UAF in dvb-core/dmxdev (CVE-2022-41218)
• u8 overflow problem in cfg80211_update_notlisted_nontrans() (CVE-2022-41674)
• use-after-free related to leaf anon_vma double reuse (CVE-2022-42703)
• use-after-free in bss_ref_get in net/wireless/scan.c (CVE-2022-42720)
• BSS list corruption in cfg80211_add_nontrans_list in net/wireless/scan.c (CVE-2022-42721)
• Denial of service in beacon protection for P2P-device (CVE-2022-42722)
• memory corruption in usbmon driver (CVE-2022-43750)
• NULL pointer dereference in traffic control subsystem (CVE-2022-47929)
• NULL pointer dereference in rawv6_push_pending_frames (CVE-2023-0394)
• use-after-free caused by invalid pointer hostname in fs/cifs/connect.c (CVE-2023-1195)
• Soft lockup occurred during __page_mapcount (CVE-2023-1582)
• slab-out-of-bounds read vulnerabilities in cbq_classify (CVE-2023-23454)

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.

• ALSA: pcm: Fix races among concurrent prealloc proc writes {CVE-2022-1048}
• ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls {CVE-2022-1048}
• ALSA: pcm: Fix races among concurrent read/write and buffer changes {CVE-2022-1048}
• ALSA: pcm: Fix races among concurrent hw_params and hw_free calls {CVE-2022-1048}
• x86/elf: Disable automatic READ_IMPLIES_EXEC on 64-bit {CVE-2022-25265}
• x86/elf: Split READ_IMPLIES_EXEC from executable PT_GNU_STACK {CVE-2022-25265}
• x86/elf: Add table to document READ_IMPLIES_EXEC {CVE-2022-25265}
• drm/i915: fix TLB invalidation for Gen12 video and compute engines {CVE-2022-4139}
• drm/i915: Flush TLBs before releasing backing store {CVE-2022-0330}
• xfs: fix up non-directory creation in SGID directories {CVE-2021-4037}
• tcp: Fix data races around icsk->icsk_af_ops. {CVE-2022-3566}
• ipv6: Fix data races around sk->sk_prot. {CVE-2022-3567}
• ipv6: annotate some data-races around sk->sk_prot {CVE-2022-3567}
• ipv6: use indirect call wrappers for {tcp, udpv6}_{recv, send}msg() {CVE-2022-3567}
• netfilter: nf_tables: deactivate anonymous set from preparation phase {CVE-2023-32233}
• netfilter: nf_tables: bogus EBUSY when deleting set after flush
• media: dmxdev: fix UAF when dvb_register_device() fails {CVE-2022-41218}
• l2tp: Don't sleep and disable BH under writer-side sk_callback_lock {CVE-2022-4129}
• l2tp: Serialize access to sk_user_data with sk_callback_lock {CVE-2022-4129}
• net: fix a concurrency bug in l2tp_tunnel_register() {CVE-2022-4129}
• Bluetooth: L2CAP: Fix memory leak in vhci_write {CVE-2022-3619}
• Bluetooth: L2CAP: Fix handling fragmented length
• wifi: brcmfmac: Fix potential buffer overflow in brcmf_fweh_event_worker() {CVE-2022-3628}
• wifi: cfg80211: avoid nontransmitted BSS list corruption {CVE-2022-42721}
• cfg80211: scan: fix RCU in cfg80211_add_nontrans_list()
• wifi: cfg80211: fix BSS refcounting bugs {CVE-2022-42720}
• cfg80211: hold bss_lock while updating nontrans_list
• ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF {CVE-2023-0266}
• ALSA: control: Drop superfluous snd_power_wait() calls
• ALSA: control: Track in-flight control read/write/tlv accesses
• ALSA: control - introduce snd_ctl_notify_one() helper
• Bluetooth: L2CAP: Fix use-after-free caused by l2cap_reassemble_sdu {CVE-2022-3564}
• netfilter: nf_conntrack_irc: Tighten matching on DCC message {CVE-2022-2663}
• netfilter: nf_conntrack_irc: Fix forged IP logic {CVE-2022-2663}
• KVM: x86: Avoid theoretical NULL pointer dereference in kvm_irq_delivery_to_apic_fast() {CVE-2022-2153}
• KVM: Add infrastructure and macro to mark VM as bugged
• KVM: x86/mmu: fix NULL pointer dereference on guest INVPCID {CVE-2022-1789}
• tcp/udp: Fix memory leak in ipv6_renew_options(). {CVE-2022-3524}
• proc: proc_skip_spaces() shouldn't think it is working on C strings {CVE-2022-4378}
• proc: avoid integer type confusion in get_proc_long {CVE-2022-4378}
• wifi: mac80211: fix crash in beacon protection for P2P-device {CVE-2022-42722}
• net: sched: cbq: dont intepret cls results when asked to drop {CVE-2023-23454}
• ipv6: raw: Deduct extension header length in rawv6_push_pending_frames {CVE-2023-0394}
• net: sched: disallow noqueue for qdisc classes {CVE-2022-47929}
• wifi: cfg80211: fix u8 overflow in cfg80211_update_notlisted_nontrans() {CVE-2022-41674}
• af_key: Do not call xfrm_probe_algs in parallel {CVE-2022-3028}
• dm verity: set DM_TARGET_IMMUTABLE feature flag {CVE-2022-20572}

• ALSA: pcm: Fix races among concurrent prealloc proc writes {CVE-2022-1048}
• ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls {CVE-2022-1048}
• ALSA: pcm: Fix races among concurrent read/write and buffer changes {CVE-2022-1048}
• ALSA: pcm: Fix races among concurrent hw_params and hw_free calls {CVE-2022-1048}
• x86/elf: Disable automatic READ_IMPLIES_EXEC on 64-bit {CVE-2022-25265}
• x86/elf: Split READ_IMPLIES_EXEC from executable PT_GNU_STACK {CVE-2022-25265}
• x86/elf: Add table to document READ_IMPLIES_EXEC {CVE-2022-25265}
• KVM: SEV-ES: fix another issue with string I/O VMGEXITs {CVE-2021-4093}
• KVM: SEV-ES: go over the sev_pio_data buffer in multiple passes if needed {CVE-2021-4093}
• KVM: SEV-ES: keep INS functions together {CVE-2021-4093}
• KVM: x86: remove unnecessary arguments from complete_emulator_pio_in {CVE-2021-4093}
• KVM: x86: split the two parts of emulator_pio_in {CVE-2021-4093}
• KVM: x86: leave vcpu->arch.pio.count alone in emulator_pio_in_out {CVE-2021-4093}
• KVM: SEV-ES: clean up kvm_sev_es_ins/outs {CVE-2021-4093}
• KVM: SEV-ES: rename guest_ins_data to sev_pio_data {CVE-2021-4093}
• KVM: SEV-ES: fix length of string I/O {CVE-2021-4093}
• drm/i915: fix TLB invalidation for Gen12 video and compute engines {CVE-2022-4139}
• drm/i915: Flush TLBs before releasing backing store {CVE-2022-0330}
• xfs: fix up non-directory creation in SGID directories {CVE-2021-4037}
• tcp: Fix data races around icsk->icsk_af_ops. {CVE-2022-3566}
• ipv6: Fix data races around sk->sk_prot. {CVE-2022-3567}
• ipv6: annotate some data-races around sk->sk_prot {CVE-2022-3567}
• ipv6: use indirect call wrappers for {tcp, udpv6}_{recv, send}msg() {CVE-2022-3567}
• netfilter: nf_tables: deactivate anonymous set from preparation phase {CVE-2023-32233}
• netfilter: nf_tables: bogus EBUSY when deleting set after flush
• media: dmxdev: fix UAF when dvb_register_device() fails {CVE-2022-41218}
• l2tp: Don't sleep and disable BH under writer-side sk_callback_lock {CVE-2022-4129}
• l2tp: Serialize access to sk_user_data with sk_callback_lock {CVE-2022-4129}
• net: fix a concurrency bug in l2tp_tunnel_register() {CVE-2022-4129}
• Bluetooth: L2CAP: Fix memory leak in vhci_write {CVE-2022-3619}
• Bluetooth: L2CAP: Fix handling fragmented length
• wifi: brcmfmac: Fix potential buffer overflow in brcmf_fweh_event_worker() {CVE-2022-3628}
• wifi: cfg80211: avoid nontransmitted BSS list corruption {CVE-2022-42721}
• cfg80211: scan: fix RCU in cfg80211_add_nontrans_list()
• wifi: cfg80211: fix BSS refcounting bugs {CVE-2022-42720}
• cfg80211: hold bss_lock while updating nontrans_list
• ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF {CVE-2023-0266}
• ALSA: control: Drop superfluous snd_power_wait() calls
• ALSA: control: Track in-flight control read/write/tlv accesses
• Bluetooth: L2CAP: Fix use-after-free caused by l2cap_reassemble_sdu {CVE-2022-3564}
• netfilter: nf_conntrack_irc: Tighten matching on DCC message {CVE-2022-2663}
• netfilter: nf_conntrack_irc: Fix forged IP logic {CVE-2022-2663}
• KVM: x86: Avoid theoretical NULL pointer dereference in kvm_irq_delivery_to_apic_fast() {CVE-2022-2153}
• KVM: Add infrastructure and macro to mark VM as bugged
• KVM: x86/mmu: fix NULL pointer dereference on guest INVPCID {CVE-2022-1789}
• tcp/udp: Fix memory leak in ipv6_renew_options(). {CVE-2022-3524}
• proc: proc_skip_spaces() shouldn't think it is working on C strings {CVE-2022-4378}
• proc: avoid integer type confusion in get_proc_long {CVE-2022-4378}
• wifi: mac80211: fix crash in beacon protection for P2P-device {CVE-2022-42722}
• net: sched: cbq: dont intepret cls results when asked to drop {CVE-2023-23454}
• ipv6: raw: Deduct extension header length in rawv6_push_pending_frames {CVE-2023-0394}
• net: sched: disallow noqueue for qdisc classes {CVE-2022-47929}
• wifi: cfg80211: fix u8 overflow in cfg80211_update_notlisted_nontrans() {CVE-2022-41674}
• af_key: Do not call xfrm_probe_algs in…

This kernel update is based on upstream 5.15.43 and fixes at least the following security issues:

A race condition in the perf subsystem allows for a local privilege escalation. NOTE: Mageia kernels by default has disabled the perf usage for unprivileged users, effectively rendering this vulnerability harmless (CVE-2022-1729).

KVM: x86/mmu: fix NULL pointer dereference on guest INVPCID (CVE-2022-1789).

Kernel could allow a remote attacker to bypass security restrictions, caused by a lockdown break issue. By sending a specially-crafted request using the kernel debugger, an attacker could exploit this vulnerability to perform read and write access to kernel memory (CVE-2022-21499).

Other fixes in this update:

• ice: fix crash at allocation failure

For other upstream fixes, see the referenced changelogs.

This kernel-linus update is based on upstream 5.15.46 and fixes at least the following security issues:

KVM: x86/mmu: fix NULL pointer dereference on guest INVPCID (CVE-2022-1789).

KVM: x86: avoid calling x86 emulator without a decoded instruction (CVE-2022-1852).

A use-after-free vulnerability was found in the Linux kernel's Netfilter subsystem in net/netfilter/nf_tables_api.c. This flaw allows a local attacker with user access to cause a privilege escalation issue (CVE-2022-1966).

An out-of-bound write vulnerability was identified within the netfilter subsystem which can be exploited to achieve privilege escalation to root. In order to trigger the issue it requires the ability to create user/net namespaces (CVE-2022-1972).

fs/ntfs3: Fix invalid free in log_replay (CVE-2022-1973).

For other upstream fixes, see the referenced changelogs.

The SUSE Linux Enterprise 15 SP4 kernel was updated.

The following security bugs were fixed:

• CVE-2022-29900, CVE-2022-29901: Fixed the RETBLEED attack, a new Spectre like Branch Target Buffer attack, that can leak arbitrary kernel information (bsc#1199657).
• CVE-2022-34918: Fixed a buffer overflow with nft_set_elem_init() that could be used by a local attacker to escalate privileges (bnc#1201171).
• CVE-2021-26341: Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage (bsc#1201050).
• CVE-2022-20154: Fixed a use after free due to a race condition in lock_sock_nested of sock.c. This could lead to local escalation of privilege with System execution privileges needed (bsc#1200599).
• CVE-2022-2318: Fixed a use-after-free vulnerabilities in the timer handler in net/rose/rose_timer.c that allow attackers to crash the system without any privileges (bsc#1201251).
• CVE-2022-1462: Fixed an out-of-bounds read flaw in the TeleTYpe subsystem (bnc#1198829).
• CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742: Fixed multiple potential data leaks with Block and Network devices when using untrusted backends (bsc#1200762).
• CVE-2022-33743: Fixed a Denial of Service related to XDP (bsc#1200763).
• CVE-2022-1679: Fixed a use-after-free in the Atheros wireless driver in the way a user forces the ath9k_htc_wait_for_target function to fail with some input messages (bnc#1199487).
• CVE-2022-20132: Fixed out of bounds read due to improper input validation in lg_probe and related functions of hid-lg.c (bnc#1200619).
• CVE-2022-33981: Fixed use-after-free in floppy driver (bsc#1200692)
• CVE-2022-1012: Fixed information leak caused by small table perturb size in the TCP source port generation algorithm (bsc#1199482).
• CVE-2022-1998: Fixed a use after free in the file system notify functionality (bnc#1200284).
• CVE-2022-1966: Fixed a use-after-free vulnerability in the Netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015)
• CVE-2022-1852: Fixed a null-ptr-deref in the kvm module which can lead to DoS. (bsc#1199875)
• CVE-2022-1789: Fixed a NULL pointer dereference when shadow paging is enabled. (bnc#1199674)
• CVE-2022-1508: Fixed an out-of-bounds read flaw that could cause the system to crash. (bsc#1198968)
• CVE-2022-1671: Fixed a null-ptr-deref bugs in net/rxrpc/server_key.c, unprivileged users could easily trigger it via ioctl. (bsc#1199439)
• CVE-2022-1651: Fixed a bug in ACRN Device Model emulates virtual NICs in VM. This flaw may allow a local privileged attacker to leak kernel unauthorized information and also cause a denial of service problem. (bsc#1199433)
• CVE-2022-29582: Fixed a use-after-free due to a race condition in io_uring timeouts. This can be triggered by a local user who has no access to any user namespace; however, the race condition perhaps can only be exploited infrequently. (bnc#1198811)
• CVE-2022-0494: Fixed a kernel information leak flaw in the scsi_ioctl function. This flaw allowed a local attacker with a special user privilege to create issues with confidentiality. (bnc#1197386)
• CVE-2021-4204: Fixed a vulnerability that allows local attackers to escalate privileges on affected installations via ebpf. (bnc#1194111)
• CVE-2022-23222: Fixed a bug that allowed local users to gain privileges. (bnc#1194765)
• CVE-2022-0264: Fixed a vulnerability in the Linux kernel's eBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel. (bnc#1194826)
• CVE-2022-1016: Fixed a vulnerability in the nf_tables component of the netfilter subsystem. This vulnerability gives an attacker a powerful primitive that can be used to both read from and…

The SUSE Linux Enterprise 15 SP4 kernel was updated.

The following security bugs were fixed:

• CVE-2022-29900, CVE-2022-29901: Fixed the RETBLEED attack, a new Spectre like Branch Target Buffer attack, that can leak arbitrary kernel information (bsc#1199657).
• CVE-2022-34918: Fixed a buffer overflow with nft_set_elem_init() that could be used by a local attacker to escalate privileges (bnc#1201171).
• CVE-2021-26341: Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage (bsc#1201050).
• CVE-2022-20154: Fixed a use after free due to a race condition in lock_sock_nested of sock.c. This could lead to local escalation of privilege with System execution privileges needed (bsc#1200599).
• CVE-2022-2318: Fixed a use-after-free vulnerabilities in the timer handler in net/rose/rose_timer.c that allow attackers to crash the system without any privileges (bsc#1201251).
• CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742: Fixed multiple potential data leaks with Block and Network devices when using untrusted backends (bsc#1200762).
• CVE-2022-33743: Fixed a Denial of Service related to XDP (bsc#1200763).
• CVE-2022-1966: Fixed a use-after-free vulnerability in the Netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015)
• CVE-2022-1852: Fixed a null-ptr-deref in the kvm module which can lead to DoS. (bsc#1199875)
• CVE-2022-1789: Fixed a NULL pointer dereference when shadow paging is enabled. (bnc#1199674)
• CVE-2022-1508: Fixed an out-of-bounds read flaw that could cause the system to crash. (bsc#1198968)
• CVE-2022-1671: Fixed a null-ptr-deref bugs in net/rxrpc/server_key.c, unprivileged users could easily trigger it via ioctl. (bsc#1199439)
• CVE-2022-1651: Fixed a bug in ACRN Device Model emulates virtual NICs in VM. This flaw may allow a local privileged attacker to leak kernel unauthorized information and also cause a denial of service problem. (bsc#1199433)
• CVE-2022-29582: Fixed a use-after-free due to a race condition in io_uring timeouts. This can be triggered by a local user who has no access to any user namespace; however, the race condition perhaps can only be exploited infrequently. (bnc#1198811)
• CVE-2022-0494: Fixed a kernel information leak flaw in the scsi_ioctl function. This flaw allowed a local attacker with a special user privilege to create issues with confidentiality. (bnc#1197386)
• CVE-2021-4204: Fixed a vulnerability that allows local attackers to escalate privileges on affected installations via ebpf. (bnc#1194111)
• CVE-2022-23222: Fixed a bug that allowed local users to gain privileges. (bnc#1194765)
• CVE-2022-0264: Fixed a vulnerability in the Linux kernel's eBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel. (bnc#1194826)
• CVE-2022-1016: Fixed a vulnerability in the nf_tables component of the netfilter subsystem. This vulnerability gives an attacker a powerful primitive that can be used to both read from and write to relative stack data, which can lead to arbitrary code execution. (bsc#1197227)
• CVE-2022-1205: Fixed null pointer dereference and use-after-free vulnerabilities that allow an attacker to crash the linux kernel by simulating Amateur Radio. (bsc#1198027)
• CVE-2022-1198: Fixed an use-after-free vulnerability that allow an attacker to crash the linux kernel by simulating Amateur Radio (bsc#1198030).
• CVE-2022-1972: Fixed a buffer overflow in nftable that could lead to privilege escalation. (bsc#1200019)
• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21123: Fixed a…

It was discovered that the implementation of the 6pack and mkiss protocols in the Linux kernel did not handle detach events properly in some situations, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-1195)

Duoming Zhou discovered that the AX.25 amateur radio protocol implementation in the Linux kernel did not handle detach events properly in some situations. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-1199)

Duoming Zhou discovered race conditions in the AX.25 amateur radio protocol implementation in the Linux kernel during device detach operations. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-1204)

Duoming Zhou discovered race conditions in the AX.25 amateur radio protocol implementation in the Linux kernel, leading to use-after-free vulnerabilities. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-1205)

Yongkang Jia discovered that the KVM hypervisor implementation in the Linux kernel did not properly handle guest TLB mapping invalidation requests in some situations. An attacker in a guest VM could use this to cause a denial of service (system crash) in the host OS. (CVE-2022-1789)

Minh Yuan discovered that the floppy driver in the Linux kernel contained a race condition in some 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-2022-33981)

It was discovered that the eBPF implementation in the Linux kernel did not properly prevent writes to kernel objects in BPF_BTF_LOAD commands. A privileged local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-0500)

It was discovered that the Marvell NFC device driver implementation in the Linux kernel did not properly perform memory cleanup operations in some situations, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-1734)

Yongkang Jia discovered that the KVM hypervisor implementation in the Linux kernel did not properly handle guest TLB mapping invalidation requests in some situations. An attacker in a guest VM could use this to cause a denial of service (system crash) in the host OS. (CVE-2022-1789)

Duoming Zhou discovered a race condition in the NFC subsystem in the Linux kernel, leading to a use-after-free vulnerability. A privileged local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-1974)

Duoming Zhou discovered that the NFC subsystem in the Linux kernel did not properly prevent context switches from occurring during certain atomic context operations. A privileged local attacker could use this to cause a denial of service (system crash). (CVE-2022-1975)

Minh Yuan discovered that the floppy driver in the Linux kernel contained a race condition in some 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-2022-33981)

It was discovered that the Atheros ath9k wireless device driver in the Linux kernel did not properly handle some error conditions, 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-2022-1679)

Yongkang Jia discovered that the KVM hypervisor implementation in the Linux kernel did not properly handle guest TLB mapping invalidation requests in some situations. An attacker in a guest VM could use this to cause a denial of service (system crash) in the host OS. (CVE-2022-1789)

Qiuhao Li, Gaoning Pan, and Yongkang Jia discovered that the KVM hypervisor implementation in the Linux kernel did not properly handle an illegal instruction in a guest, resulting in a null pointer dereference. An attacker in a guest VM could use this to cause a denial of service (system crash) in the host OS. (CVE-2022-1852)

Gerald Lee discovered that the NTFS file system implementation in the Linux kernel did not properly handle certain error conditions, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2022-1973)

It was discovered that the netfilter subsystem in the Linux kernel contained a buffer overflow in certain situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-2078)

It was discovered that some Intel processors did not completely perform cleanup actions on multi-core shared buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21123)

It was discovered that some Intel processors did not completely perform cleanup actions on microarchitectural fill buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21125)

It was discovered that some Intel processors did not properly perform cleanup during specific special register write operations. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21166)

It was discovered that the virtio RPMSG bus driver in the Linux kernel contained a double-free vulnerability in certain error conditions. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-34494, CVE-2022-34495)

Minh Yuan discovered that the floppy disk driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-1652)

It was discovered that the implementation of the 6pack and mkiss protocols in the Linux kernel did not handle detach events properly in some situations, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-1195)

Duoming Zhou discovered that the AX.25 amateur radio protocol implementation in the Linux kernel did not handle detach events properly in some situations. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-1199)

Duoming Zhou discovered race conditions in the AX.25 amateur radio protocol implementation in the Linux kernel during device detach operations. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-1204)

Duoming Zhou discovered race conditions in the AX.25 amateur radio protocol implementation in the Linux kernel, leading to use-after-free vulnerabilities. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-1205)

Yongkang Jia discovered that the KVM hypervisor implementation in the Linux kernel did not properly handle guest TLB mapping invalidation requests in some situations. An attacker in a guest VM could use this to cause a denial of service (system crash) in the host OS. (CVE-2022-1789)

It was discovered that the 8 Devices USB2CAN interface implementation in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-28388)

Minh Yuan discovered that the floppy driver in the Linux kernel contained a race condition in some 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-2022-33981)

Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-2588)

It was discovered that the netfilter subsystem of the Linux kernel did not prevent one nft object from referencing an nft set in another nft table, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-2586)

It was discovered that the implementation of POSIX timers in the Linux kernel did not properly clean up timers in some situations. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-2585)

It was discovered that the eBPF implementation in the Linux kernel did not properly prevent writes to kernel objects in BPF_BTF_LOAD commands. A privileged local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-0500)

Minh Yuan discovered that the floppy disk driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-1652)

It was discovered that the Atheros ath9k wireless device driver in the Linux kernel did not properly handle some error conditions, 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-2022-1679)

It was discovered that the Marvell NFC device driver implementation in the Linux kernel did not properly perform memory cleanup operations in some situations, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-1734)

Yongkang Jia discovered that the KVM hypervisor implementation in the Linux kernel did not properly handle guest TLB mapping invalidation requests in some situations. An attacker in a guest VM could use this to cause a denial of service (system crash) in the host OS. (CVE-2022-1789)

Duoming Zhou discovered a race condition in the NFC subsystem in the Linux kernel, leading to a use-after-free vulnerability. A privileged local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-1974)

Duoming Zhou discovered that the NFC subsystem in the Linux kernel did not properly prevent context switches from occurring during certain atomic context operations. A privileged local attacker could use this to cause a denial of service (system crash). (CVE-2022-1975)

Felix Fu discovered that the Sun RPC implementation in the Linux kernel did not properly handle socket states, leading to a use-after-free vulnerability. A remote attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-28893)

Johannes Wikner and Kaveh Razavi discovered that for some AMD x86-64 processors, the branch predictor could by mis-trained for return instructions in certain circumstances. A local attacker could possibly use this to expose sensitive information. (CVE-2022-29900)

Johannes Wikner and Kaveh Razavi discovered that for some Intel x86-64 processors, the Linux kernel's protections against speculative branch target injection attacks were insufficient in some circumstances. A local attacker could possibly use this to expose sensitive information. (CVE-2022-29901)

Minh Yuan discovered that the floppy driver in the Linux kernel contained a race condition in some 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.…