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OpenAdvisories
High 1 exploited CVE RHSA-2026:13887 2 CVEs

Red Hat Security Advisory: kernel security update

Published May 6, 2026 · Updated Oct 9, 2026

Ecosystem: Red Hat

Fixed packages 91

ReleasePackageFixed in
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-devel 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-devel-matched 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-modules 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-modules-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-modules-extra 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-devel 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-devel-matched 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-modules 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-modules-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-modules-extra 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-abi-stablelists 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-devel 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-devel-matched 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-modules 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-modules-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-modules-extra 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-uki-virt 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo-common-aarch64 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo-common-ppc64le 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo-common-s390x 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo-common-x86_64 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-devel 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-devel-matched 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-doc 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-modules 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-modules-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-modules-extra 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-devel 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-modules 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-modules-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-modules-extra 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-devel 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-modules 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-modules-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-modules-extra 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-devel 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-kvm 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-modules 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-modules-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-modules-extra 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-devel 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-kvm 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-modules 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-modules-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-modules-extra 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-tools 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-tools-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-tools-libs 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-tools-libs-devel 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-uki-virt 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-uki-virt-addons 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-devel 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-devel-matched 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-modules 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-modules-core 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-modules-extra 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 libperf 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 libperf-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 perf 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 perf-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 python3-perf 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 python3-perf-debuginfo 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 rtla 0:6.12.0-55.71.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 rv 0:6.12.0-55.71.1.el10_0

Vulnerabilities 2

  • High 7.8
    CVE-2026-31431 Exploited Public exploit EPSS 98%

    crypto: algif_aead - Revert to operating out-of-place

    In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algif…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux Alpine
    KEV May 1, 2026
  • Unscored —
    CVE-2026-43077

    crypto: algif_aead - Fix minimum RX size check for decryption

    In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Fix minimum RX size check for decryption The check for the minimum receive buffer size did not take the tag size into account during decryption. Fix this by adding the re…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2460538
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_13887.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-31431
  • article
    https://access.redhat.com/security/vulnerabilities/RHSB-2026-002
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-31431
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-31431
  • article
    https://access.redhat.com/articles/7141989
  • article
    https://access.redhat.com/solutions/7141931
  • article
    https://access.redhat.com/solutions/7141979
  • article
    https://access.redhat.com/solutions/7141990
  • article
    https://access.redhat.com/solutions/7141996
  • article
    https://access.redhat.com/solutions/7142032
  • article
    https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/managing_monitoring_and_updating_the_kernel/configuring-kernel-command-line-parameters_managing-monitoring-and-updating-the-kernel
  • article
    https://lore.kernel.org/linux-cve-announce/2026042214-CVE-2026-31431-3d65@gregkh/T
  • article
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog
  • report
    https://access.redhat.com/security/cve/CVE-2026-43077
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2467022
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-43077
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-43077
  • article
    https://lore.kernel.org/linux-cve-announce/2026050612-CVE-2026-43077-d7b1@gregkh/T