Skip to content
OpenAdvisories
High RLSA-2026:95367 8 CVEs

Important: kernel security update

Published Nov 6, 2026 · Updated Nov 6, 2026

Ecosystem: Rocky Linux

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 1

ReleasePackageFixed in
Rocky Linux · 10 kernel 0:6.12.0-211.74.1.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://bugzilla.redhat.com/show_bug.cgi?id=2507296
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2516278
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2516412
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2516674
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2521419
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2532407
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2536264
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2559811
  • advisory
    https://access.redhat.com/errata/RHSA-2026:95367