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OpenAdvisories
Critical RHSA-2026:98638 7 CVEs

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Published Nov 13, 2026 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 92

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.3 kernel 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-debug 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-debug-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-debug-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-debug-devel 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-debug-devel-matched 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-debug-modules 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-debug-modules-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-debug-modules-extra 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-devel 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-devel-matched 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-modules 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-modules-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-64k-modules-extra 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-abi-stablelists 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debug 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debug-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debug-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debug-devel 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debug-devel-matched 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debug-modules 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debug-modules-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debug-modules-extra 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debug-uki-virt 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debuginfo-common-aarch64 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debuginfo-common-ppc64le 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debuginfo-common-s390x 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-debuginfo-common-x86_64 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-devel 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-devel-matched 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-doc 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-modules 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-modules-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-modules-extra 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-modules-extra-matched 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-debug 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-debug-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-debug-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-debug-devel 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-debug-modules 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-debug-modules-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-debug-modules-extra 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-devel 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-modules 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-modules-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-64k-modules-extra 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-debug 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-debug-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-debug-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-debug-devel 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-debug-modules 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-debug-modules-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-debug-modules-extra 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-devel 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-modules 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-modules-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-rt-modules-extra 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-tools 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-tools-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-tools-libs 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-tools-libs-devel 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-uki-virt 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-uki-virt-addons 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-zfcpdump 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-zfcpdump-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-zfcpdump-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-zfcpdump-devel 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-zfcpdump-devel-matched 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-zfcpdump-modules 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-zfcpdump-modules-core 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 kernel-zfcpdump-modules-extra 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 libperf 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 libperf-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 perf 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 perf-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 python3-perf 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 python3-perf-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 rtla 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 rtla-debuginfo 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 rv 0:6.12.0-264.15.1.el10_3
Red Hat · RHEL 10 enterprise_linux:10.3 rv-debuginfo 0:6.12.0-264.15.1.el10_3

Vulnerabilities 7

  • 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
  • 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-2026-89638

    smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions

    In the Linux kernel, the following vulnerability has been resolved: smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions When a file has the setuid or setgid bit set and is written to, the VFS strips those bits and issues a …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.5
    CVE-2026-52929

    sctp: stream: fully roll back denied add-stream state

    In the Linux kernel, the following vulnerability has been resolved: sctp: stream: fully roll back denied add-stream state When ADD_OUT_STREAMS is denied, SCTP only shrinks the queued chunks and then lowers outcnt. That leaves removed stream metadata behind, s…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.1
    CVE-2026-68293

    net/mlx5: Fix MCIA register buffer overflow on 32 dword reads

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix MCIA register buffer overflow on 32 dword reads The MCIA register can return up to 32 dwords (128 bytes) when the device advertises the mcia_32dwords capability, but struct mlx5…

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

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492108
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2513150
  • 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=2532122
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2532407
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2536264
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_98638.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-52929
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-52929
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-52929
  • article
    https://lore.kernel.org/linux-cve-announce/2026062432-CVE-2026-52929-63ee@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-68293
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-68293
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-68293
  • article
    https://kernelcve.org/list/?q=CVE-2026-68293
  • article
    https://lore.kernel.org/linux-cve-announce/2026081028-CVE-2026-68293-a3c8@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-72221
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-72221
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-72221
  • article
    https://lore.kernel.org/linux-cve-announce/2026081547-CVE-2026-72221-bbfe@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-72222
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-72222
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-72222
  • article
    https://lore.kernel.org/linux-cve-announce/2026081547-CVE-2026-72222-8ff1@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-89488
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-89488
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-89488
  • article
    https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89488.mbox
  • report
    https://access.redhat.com/security/cve/CVE-2026-89638
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-89638
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-89638
  • article
    https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89638.mbox
  • report
    https://access.redhat.com/security/cve/CVE-2026-90315
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-90315
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-90315
  • article
    https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-90315.mbox