Important: kernel security, bug fix, and enhancement update
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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2023:2951
- https://access.redhat.com/security/cve/CVE-2021-26341
- https://access.redhat.com/security/cve/CVE-2021-33655
- https://access.redhat.com/security/cve/CVE-2021-33656
- https://access.redhat.com/security/cve/CVE-2022-1462
- https://access.redhat.com/security/cve/CVE-2022-1679
- https://access.redhat.com/security/cve/CVE-2022-1789
- https://access.redhat.com/security/cve/CVE-2022-20141
- https://access.redhat.com/security/cve/CVE-2022-2196
- https://access.redhat.com/security/cve/CVE-2022-25265
- https://access.redhat.com/security/cve/CVE-2022-2663
- https://access.redhat.com/security/cve/CVE-2022-3028
- https://access.redhat.com/security/cve/CVE-2022-30594
- https://access.redhat.com/security/cve/CVE-2022-3239
- https://access.redhat.com/security/cve/CVE-2022-3522
- https://access.redhat.com/security/cve/CVE-2022-3524
- https://access.redhat.com/security/cve/CVE-2022-3564
- https://access.redhat.com/security/cve/CVE-2022-3566
- https://access.redhat.com/security/cve/CVE-2022-3567
- https://access.redhat.com/security/cve/CVE-2022-3619
- https://access.redhat.com/security/cve/CVE-2022-3623
- https://access.redhat.com/security/cve/CVE-2022-3625
- https://access.redhat.com/security/cve/CVE-2022-3628
- https://access.redhat.com/security/cve/CVE-2022-3707
- https://access.redhat.com/security/cve/CVE-2022-39188
- https://access.redhat.com/security/cve/CVE-2022-39189
- https://access.redhat.com/security/cve/CVE-2022-41218
- https://access.redhat.com/security/cve/CVE-2022-4129
- https://access.redhat.com/security/cve/CVE-2022-41674
- https://access.redhat.com/security/cve/CVE-2022-42703
- https://access.redhat.com/security/cve/CVE-2022-42720
- https://access.redhat.com/security/cve/CVE-2022-42721
- https://access.redhat.com/security/cve/CVE-2022-42722
- https://access.redhat.com/security/cve/CVE-2022-43750
- https://access.redhat.com/security/cve/CVE-2022-47929
- https://access.redhat.com/security/cve/CVE-2023-0394
- https://access.redhat.com/security/cve/CVE-2023-0461
- https://access.redhat.com/security/cve/CVE-2023-1195
- https://access.redhat.com/security/cve/CVE-2023-1582
- https://access.redhat.com/security/cve/CVE-2023-23454
- https://bugzilla.redhat.com/2055499
- https://bugzilla.redhat.com/2061703
- https://bugzilla.redhat.com/2078466
- https://bugzilla.redhat.com/2084125
- https://bugzilla.redhat.com/2085300
- https://bugzilla.redhat.com/2090723
- https://bugzilla.redhat.com/2108691
- https://bugzilla.redhat.com/2108696
- https://bugzilla.redhat.com/2114937
- https://bugzilla.redhat.com/2122228
- https://bugzilla.redhat.com/2122960
- https://bugzilla.redhat.com/2123056
- https://bugzilla.redhat.com/2124788
- https://bugzilla.redhat.com/2127985
- https://bugzilla.redhat.com/2130141
- https://bugzilla.redhat.com/2133483
- https://bugzilla.redhat.com/2134377
- https://bugzilla.redhat.com/2134451
- https://bugzilla.redhat.com/2134506
- https://bugzilla.redhat.com/2134517
- https://bugzilla.redhat.com/2134528
- https://bugzilla.redhat.com/2137979
- https://bugzilla.redhat.com/2143893
- https://bugzilla.redhat.com/2143943
- https://bugzilla.redhat.com/2144720
- https://bugzilla.redhat.com/2150947
- https://bugzilla.redhat.com/2150960
- https://bugzilla.redhat.com/2150979
- https://bugzilla.redhat.com/2150999
- https://bugzilla.redhat.com/2151270
- https://bugzilla.redhat.com/2154171
- https://bugzilla.redhat.com/2154235
- https://bugzilla.redhat.com/2160023
- https://bugzilla.redhat.com/2162120
- https://bugzilla.redhat.com/2165721
- https://bugzilla.redhat.com/2168246
- https://bugzilla.redhat.com/2168297
- https://bugzilla.redhat.com/2176192
- https://bugzilla.redhat.com/2180936
- https://errata.almalinux.org/8/ALSA-2023-2951.html