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Critical RHSA-2026:62638 3 CVEs

Red Hat Security Advisory: kpatch-patch-5_14_0-284_117_1, kpatch-patch-5_14_0-284_134_1, kpatch-patch-5_14_0-284_148_1, kpatch-patch-5_14_0-284_158_1, and kpatch-patch-5_14_0-284_172_1 security update

Published Sep 3, 2026 · Updated Oct 14, 2026

Ecosystem: Red Hat

Fixed packages 15

ReleasePackageFixed in
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_117_1 0:1-21.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_117_1-debuginfo 0:1-21.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_117_1-debugsource 0:1-21.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_134_1 0:1-15.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_134_1-debuginfo 0:1-15.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_134_1-debugsource 0:1-15.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_148_1 0:1-13.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_148_1-debuginfo 0:1-13.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_148_1-debugsource 0:1-13.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_158_1 0:1-11.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_158_1-debuginfo 0:1-11.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_158_1-debugsource 0:1-11.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_172_1 0:1-8.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_172_1-debuginfo 0:1-8.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_172_1-debugsource 0:1-8.el9_2

Vulnerabilities 3

  • Critical 9.4
    CVE-2026-43114

    netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry New test case fails unexpectedly when avx2 matching functions are used. The test first loads a ranomly generated pipa…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 8.8
    CVE-2026-43112

    fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath

    In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath When cifs_sanitize_prepath is called with an empty string or a string containing only delimiters (e.g., "/"), the current logic …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-53264 Public exploit

    net/sched: act_api: use RCU with deferred freeing for action lifecycle

    In the Linux kernel, the following vulnerability has been resolved: net/sched: act_api: use RCU with deferred freeing for action lifecycle When NEWTFILTER and DELFILTER are run concurrently it is possible to create a race with an associated action. Let's illu…

    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=2466994
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2467015
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492851
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_62638.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-43112
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-43112
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-43112
  • article
    https://lore.kernel.org/linux-cve-announce/2026050625-CVE-2026-43112-f37f@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-43114
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-43114
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-43114
  • article
    https://lore.kernel.org/linux-cve-announce/2026050626-CVE-2026-43114-5deb@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-53264
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-53264
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-53264
  • article
    https://lore.kernel.org/linux-cve-announce/2026062517-CVE-2026-53264-081f@gregkh/T