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High ALSA-2026:42919 12 CVEs

Important: kernel security, bug fix, and enhancement update

Published Jul 21, 2026 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

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

Security Fix(es):

* kernel: crypto: af_alg - zero initialize memory allocated via sock_kmalloc (CVE-2025-71113)
* kernel: Linux kernel: Denial of Service due to memory leak in tpm2_load_cmd (CVE-2025-71147)
* kernel: flex_proportions: make fprop_new_period() hardirq safe (CVE-2026-23168)
* kernel: cxl/port: Fix use after free of parent_port in cxl_detach_ep() (CVE-2026-31530)
* kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116)
* kernel: fanotify: fix false positive on permission events (CVE-2026-46150)
* kernel: drm: Set old handle to NULL before prime swap in change_handle (CVE-2026-46215)
* kernel: drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl() (CVE-2026-52976)
* kernel: drm/xe/dma-buf: fix UAF with retry loop (CVE-2026-52950)
* kernel: ice: fix double-free of tx_buf skb (CVE-2026-53009)
* kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071)
* kernel: can: bcm: thrtimer use-after-free during RX operation teardown ()

Bug Fix(es) and Enhancement(s):

* nfsd_file slab cache objects remaining on kmem_cache_shutdown during nfsd teardown while running bz1477872 testcase (JIRA:AlmaLinux-173103)
* tools/lib/perf/Makefile: libperf includes appended after CFLAGS causes parallel build race, breaking kernel builds [almalinux-10.2.z] (JIRA:AlmaLinux-183975)
* [AlmaLinux10-debug]: BUG: KASAN: slab-use-after-free in __pv_queued_spin_lock_slowpath [almalinux-10.2.z] (JIRA:AlmaLinux-186311)
* ice: driver update 2026-06, part 1 [almalinux-10.2.z] (JIRA:AlmaLinux-191324)

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.

Fixed packages 75

ReleasePackageFixed in
AlmaLinux · 10 kernel 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-debug 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-debug-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-debug-devel 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-debug-devel-matched 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-debug-modules 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-debug-modules-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-debug-modules-extra 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-devel 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-devel-matched 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-modules 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-modules-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-64k-modules-extra 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-abi-stablelists 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-cross-headers 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-debug 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-debug-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-debug-devel 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-debug-devel-matched 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-debug-modules 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-debug-modules-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-debug-modules-extra 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-debug-uki-virt 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-devel 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-devel-matched 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-doc 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-headers 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-modules 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-modules-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-modules-extra 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-modules-extra-matched 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-64k 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-64k-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-devel 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-modules 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-modules-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-modules-extra 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-64k-devel 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-64k-modules 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-64k-modules-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-64k-modules-extra 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-debug 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-debug-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-debug-devel 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-debug-modules 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-debug-modules-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-debug-modules-extra 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-devel 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-modules 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-modules-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-rt-modules-extra 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-tools 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-tools-libs 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-tools-libs-devel 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-uki-virt 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-uki-virt-addons 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-zfcpdump 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-devel 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-devel-matched 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-modules 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-modules-core 6.12.0-211.37.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-modules-extra 6.12.0-211.37.1.el10_2
AlmaLinux · 10 libperf 6.12.0-211.37.1.el10_2
AlmaLinux · 10 perf 6.12.0-211.37.1.el10_2
AlmaLinux · 10 python3-perf 6.12.0-211.37.1.el10_2
AlmaLinux · 10 rtla 6.12.0-211.37.1.el10_2
AlmaLinux · 10 rv 6.12.0-211.37.1.el10_2

Vulnerabilities 12

  • High 8.8
    CVE-2026-53071

    Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp l2cap_ecred_reconf_rsp() calls l2cap_chan_del() without holding l2cap_chan_lock(). Every other l2cap_chan_del() caller in the…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-46116

    xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

    In the Linux kernel, the following vulnerability has been resolved: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete KASAN reproduces a slab-use-after-free in __xfrm_state_delete()'s hlist_del_rcu calls under syzkaller load on linux-6.12.y sta…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-46215 Public exploit

    drm: Set old handle to NULL before prime swap in change_handle

    In the Linux kernel, the following vulnerability has been resolved: drm: Set old handle to NULL before prime swap in change_handle There was a potential race condition in change_handle. The ioctl briefly had a single object with two idr entries; a concurrent …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-52950

    drm/xe/dma-buf: fix UAF with retry loop

    In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: fix UAF with retry loop Retry doesn't work here, since bo will be freed on error, leading to UAF. However, now that we do the alloc & init before the attach, we can now combin…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-52976

    drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl()

    In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl() Two error handling issues exist in xe_exec_queue_create_ioctl(): 1. When xe_hw_engine_group_add_exec_queue() fails, the error path ju…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-53009

    ice: fix double-free of tx_buf skb

    In the Linux kernel, the following vulnerability has been resolved: ice: fix double-free of tx_buf skb If ice_tso() or ice_tx_csum() fail, the error path in ice_xmit_frame_ring() frees the skb, but the 'first' tx_buf still points to it and is marked as valid …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-72123

    can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF

    In the Linux kernel, the following vulnerability has been resolved: can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF Commit f1b4e32aca08 ("can: bcm: use call_rcu() instead of costly synchronize_rcu()") replaced synchronize_rcu() in bcm_dele…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.1
    CVE-2026-46150

    fanotify: fix false positive on permission events

    In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotify_get_mark_safe() may return false for a mark on an unrelated group, which results in bypassing the permission check. Fix by skipping …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-71113

    crypto: af_alg - zero initialize memory allocated via sock_kmalloc

    In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - zero initialize memory allocated via sock_kmalloc Several crypto user API contexts and requests allocated with sock_kmalloc() were left uninitialized, relying on callers to s…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-71147

    KEYS: trusted: Fix a memory leak in tpm2_load_cmd

    In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix a memory leak in tpm2_load_cmd 'tpm2_load_cmd' allocates a tempoary blob indirectly via 'tpm2_key_decode' but it is not freed in the failure paths. Address this by wrapping…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2026-23168

    flex_proportions: make fprop_new_period() hardirq safe

    In the Linux kernel, the following vulnerability has been resolved: flex_proportions: make fprop_new_period() hardirq safe Bernd has reported a lockdep splat from flexible proportions code that is essentially complaining about the following race: <timer fires…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2026-31530

    cxl/port: Fix use after free of parent_port in cxl_detach_ep()

    In the Linux kernel, the following vulnerability has been resolved: cxl/port: Fix use after free of parent_port in cxl_detach_ep() cxl_detach_ep() is called during bottom-up removal when all CXL memory devices beneath a switch port have been removed. For each…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • report
    https://access.redhat.com/security/cve/CVE-2025-71113
  • report
    https://access.redhat.com/security/cve/CVE-2025-71147
  • report
    https://access.redhat.com/security/cve/CVE-2026-23168
  • report
    https://access.redhat.com/security/cve/CVE-2026-31530
  • report
    https://access.redhat.com/security/cve/CVE-2026-46116
  • report
    https://access.redhat.com/security/cve/CVE-2026-46150
  • report
    https://access.redhat.com/security/cve/CVE-2026-46215
  • report
    https://access.redhat.com/security/cve/CVE-2026-52950
  • report
    https://access.redhat.com/security/cve/CVE-2026-52976
  • report
    https://access.redhat.com/security/cve/CVE-2026-53009
  • report
    https://access.redhat.com/security/cve/CVE-2026-53071
  • report
    https://bugzilla.redhat.com/2429611
  • report
    https://bugzilla.redhat.com/2432366
  • report
    https://bugzilla.redhat.com/2439941
  • report
    https://bugzilla.redhat.com/2460644
  • report
    https://bugzilla.redhat.com/2482523
  • report
    https://bugzilla.redhat.com/2482612
  • report
    https://bugzilla.redhat.com/2482615
  • report
    https://bugzilla.redhat.com/2492284
  • report
    https://bugzilla.redhat.com/2492318
  • report
    https://bugzilla.redhat.com/2492390
  • report
    https://bugzilla.redhat.com/2492458
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-42919.html
  • report
    https://www.redhat.com/security/data/cve/CVE-2026-72123.html