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OpenAdvisories
High ALSA-2026:A005 1 CVE

Important: kernel security update

Published May 8, 2026 · Updated Oct 29, 2026

Summary

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

Security Fix(es):

* kernel: xfrm: esp: avoid in-place decrypt on shared skb frags (CVE-2026-43284)

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 117

ReleasePackageFixed in
AlmaLinux · 9 kernel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-debug 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-debug-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-debug-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-debug-devel-matched 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-debug-modules 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-debug-modules-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-debug-modules-extra 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-debug-modules-internal 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-debug-modules-partner 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-devel-matched 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-modules 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-modules-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-modules-extra 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-modules-internal 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-64k-modules-partner 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-abi-stablelists 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-cross-headers 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-debug 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-debug-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-debug-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-debug-devel-matched 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-debug-modules 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-debug-modules-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-debug-modules-extra 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-debug-modules-internal 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-debug-modules-partner 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-debug-uki-virt 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-debug-uki-virt-addons 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-devel-matched 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-doc 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-headers 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-debug 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-debug-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-debug-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-debug-devel-matched 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-debug-modules 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-debug-modules-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-debug-modules-extra 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-debug-modules-internal 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-debug-modules-partner 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-devel-matched 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-modules 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-modules-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-modules-extra 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-modules-internal 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-kvm-modules-partner 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-modules 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-modules-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-modules-extra 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-modules-internal 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-modules-partner 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-debug 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-devel-matched 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-modules 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-modules-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-modules-extra 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-modules-internal 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-modules-partner 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-devel-matched 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-modules 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-modules-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-modules-extra 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-modules-internal 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-64k-modules-partner 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-debug 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-debug-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-debug-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-debug-devel-matched 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-debug-modules 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-debug-modules-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-debug-modules-extra 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-debug-modules-internal 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-debug-modules-partner 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-devel-matched 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-modules 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-modules-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-modules-extra 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-modules-internal 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-rt-modules-partner 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-selftests-internal 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-tools 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-tools-libs 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-tools-libs-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-uki-virt 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-uki-virt-addons 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-zfcpdump 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-zfcpdump-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-zfcpdump-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-zfcpdump-devel-matched 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-zfcpdump-modules 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-zfcpdump-modules-core 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-zfcpdump-modules-extra 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-zfcpdump-modules-internal 5.14.0-611.54.3.el9_7
AlmaLinux · 9 kernel-zfcpdump-modules-partner 5.14.0-611.54.3.el9_7
AlmaLinux · 9 libperf 5.14.0-611.54.3.el9_7
AlmaLinux · 9 libperf-devel 5.14.0-611.54.3.el9_7
AlmaLinux · 9 perf 5.14.0-611.54.3.el9_7
AlmaLinux · 9 python3-perf 5.14.0-611.54.3.el9_7
AlmaLinux · 9 rtla 5.14.0-611.54.3.el9_7
AlmaLinux · 9 rv 5.14.0-611.54.3.el9_7

Vulnerabilities 1

  • High 8.8
    CVE-2026-43284 Public exploit EPSS 94%

    xfrm: esp: avoid in-place decrypt on shared skb frags

    In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSG_SPLICE_PAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFL_SHARED_FRAG after skb_splice_from_iter()…

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-43284
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2467771