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High ALSA-2026:95367 8 CVEs

Important: kernel security update

Published Nov 4, 2026 · Updated Nov 5, 2026

Ecosystem: AlmaLinux

Summary

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

Security Fix(es):

* kernel: writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs() (CVE-2026-64378)
* kernel: sunrpc: pin svc_xprt across the asynchronous TLS handshake callback (CVE-2026-72222)
* kernel: sunrpc: wait for in-flight TLS handshake callback when cancel loses race (CVE-2026-72221)
* kernel: fs/resctrl: Fix use-after-free during unmount (CVE-2026-72080)
* kernel: sctp: clear new_transport when removing a peer (CVE-2026-74586)
* kernel: openvswitch: Fix CT limit teardown use-after-free (CVE-2026-89488)
* kernel: PCI/sysfs: Add lockdown checks to legacy I/O and memory handlers (CVE-2026-90315)
* kernel: kernel: xfs: Unauthorized data modification via improper file size exchange handling (CVE-2026-98974)

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 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-debug 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-debug-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-debug-devel 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-debug-devel-matched 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-debug-modules 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-debug-modules-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-debug-modules-extra 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-devel 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-devel-matched 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-modules 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-modules-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-64k-modules-extra 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-abi-stablelists 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-cross-headers 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-debug 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-debug-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-debug-devel 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-debug-devel-matched 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-debug-modules 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-debug-modules-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-debug-modules-extra 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-debug-uki-virt 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-devel 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-devel-matched 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-doc 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-headers 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-modules 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-modules-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-modules-extra 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-modules-extra-matched 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-64k 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-64k-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-devel 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-modules 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-modules-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-modules-extra 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-64k-devel 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-64k-modules 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-64k-modules-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-64k-modules-extra 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-debug 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-debug-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-debug-devel 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-debug-modules 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-debug-modules-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-debug-modules-extra 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-devel 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-modules 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-modules-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-rt-modules-extra 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-tools 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-tools-libs 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-tools-libs-devel 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-uki-virt 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-uki-virt-addons 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-zfcpdump 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-devel 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-devel-matched 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-modules 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-modules-core 6.12.0-211.74.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-modules-extra 6.12.0-211.74.1.el10_2
AlmaLinux · 10 libperf 6.12.0-211.74.1.el10_2
AlmaLinux · 10 perf 6.12.0-211.74.1.el10_2
AlmaLinux · 10 python3-perf 6.12.0-211.74.1.el10_2
AlmaLinux · 10 rtla 6.12.0-211.74.1.el10_2
AlmaLinux · 10 rv 6.12.0-211.74.1.el10_2

Vulnerabilities 8

  • Critical 9.8
    CVE-2026-72221

    sunrpc: wait for in-flight TLS handshake callback when cancel loses race

    In the Linux kernel, the following vulnerability has been resolved: sunrpc: wait for in-flight TLS handshake callback when cancel loses race When wait_for_completion_interruptible_timeout() in svc_tcp_handshake() returns 0 (timeout) or -ERESTARTSYS (signal) a…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Critical 9.8
    CVE-2026-72222

    sunrpc: pin svc_xprt across the asynchronous TLS handshake callback

    In the Linux kernel, the following vulnerability has been resolved: sunrpc: pin svc_xprt across the asynchronous TLS handshake callback svc_tcp_handshake() stores the raw svc_xprt pointer in tls_handshake_args.ta_data and submits the request through tls_serve…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Critical 9.8
    CVE-2026-74586 Public exploit

    sctp: clear new_transport when removing a peer

    In the Linux kernel, the following vulnerability has been resolved: sctp: clear new_transport when removing a peer sctp_process_asconf_param() stores a newly added peer transport in asoc->new_transport. After all parameters in the ASCONF chunk have been proce…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-64378

    writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs()

    In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs() When a container exits, the following BUG_ON() is occasionally triggered: ========================================…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-72080

    fs/resctrl: Fix use-after-free during unmount

    In the Linux kernel, the following vulnerability has been resolved: fs/resctrl: Fix use-after-free during unmount During unmount or failure teardown all mon_data structures that contain monitoring event file private data are freed after which kernfs nodes are…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-89488

    openvswitch: Fix CT limit teardown use-after-free

    In the Linux kernel, the following vulnerability has been resolved: openvswitch: Fix CT limit teardown use-after-free Packet processing uses CT limit state under RCU, while netns teardown frees that state under ovs_mutex. The CT limit pointer was neither remo…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-98974

    xfs: fix exchange-range-to-eof file size exchange

    In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchange-range-to-eof file size exchange Norbert Szetei posted a patch containing an incomplete description of a bug in XFS_IOC_EXCHANGE_RANGE's TO_EOF flag. The bug tricks exchange-…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2026-90315

    PCI/sysfs: Add lockdown checks to legacy I/O and memory handlers

    In the Linux kernel, the following vulnerability has been resolved: PCI/sysfs: Add lockdown checks to legacy I/O and memory handlers Currently, the legacy I/O and memory sysfs handlers do not check security_locked_down(LOCKDOWN_PCI_ACCESS), leaving the legacy…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-64378
  • report
    https://access.redhat.com/security/cve/CVE-2026-72080
  • report
    https://access.redhat.com/security/cve/CVE-2026-72221
  • report
    https://access.redhat.com/security/cve/CVE-2026-72222
  • report
    https://access.redhat.com/security/cve/CVE-2026-74586
  • report
    https://access.redhat.com/security/cve/CVE-2026-89488
  • report
    https://access.redhat.com/security/cve/CVE-2026-90315
  • report
    https://access.redhat.com/security/cve/CVE-2026-98974
  • report
    https://bugzilla.redhat.com/2507296
  • report
    https://bugzilla.redhat.com/2516278
  • report
    https://bugzilla.redhat.com/2516412
  • report
    https://bugzilla.redhat.com/2516674
  • report
    https://bugzilla.redhat.com/2521419
  • report
    https://bugzilla.redhat.com/2532407
  • report
    https://bugzilla.redhat.com/2536264
  • report
    https://bugzilla.redhat.com/2559811
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-95367.html