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OpenAdvisories
High RHSA-2026:4899 1 CVE

Red Hat Security Advisory: kernel security update

Published Mar 19, 2026 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 142

ReleasePackageFixed in
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream bpftool-debuginfo 0:7.3.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-64k-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-64k-debug-devel 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-64k-debug-devel-matched 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-64k-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-64k-devel 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-64k-devel-matched 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-debug-devel 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-debug-devel-matched 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-debuginfo-common-aarch64 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-debuginfo-common-ppc64le 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-debuginfo-common-s390x 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-debuginfo-common-x86_64 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-devel 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-devel-matched 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-doc 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-rt-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-rt-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-tools-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-zfcpdump-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-zfcpdump-devel 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream kernel-zfcpdump-devel-matched 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream libperf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream perf 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream perf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream python3-perf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream rtla 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream rv 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos bpftool 0:7.3.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos bpftool-debuginfo 0:7.3.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-64k 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-64k-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-64k-debug 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-64k-debug-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-64k-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-64k-debug-modules 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-64k-debug-modules-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-64k-debug-modules-extra 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-64k-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-64k-modules 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-64k-modules-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-64k-modules-extra 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-abi-stablelists 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-debug 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-debug-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-debug-modules 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-debug-modules-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-debug-modules-extra 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-debug-uki-virt 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-debuginfo-common-aarch64 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-debuginfo-common-ppc64le 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-debuginfo-common-s390x 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-debuginfo-common-x86_64 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-modules 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-modules-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-modules-extra 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-rt-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-rt-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-tools 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-tools-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-tools-libs 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-uki-virt 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-zfcpdump 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-zfcpdump-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-zfcpdump-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-zfcpdump-modules 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-zfcpdump-modules-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos kernel-zfcpdump-modules-extra 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos libperf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos perf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos python3-perf 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos python3-perf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb bpftool-debuginfo 0:7.3.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-64k-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-64k-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-debuginfo-common-aarch64 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-debuginfo-common-ppc64le 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-debuginfo-common-s390x 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-debuginfo-common-x86_64 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-rt-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-rt-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-tools-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-tools-libs-devel 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb kernel-zfcpdump-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb libperf 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb libperf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb perf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb python3-perf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv bpftool-debuginfo 0:7.3.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-debuginfo-common-x86_64 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-debug 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-debug-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-debug-devel 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-debug-kvm 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-debug-modules 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-debug-modules-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-debug-modules-extra 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-devel 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-kvm 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-modules 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-modules-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-rt-modules-extra 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv kernel-tools-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv libperf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv perf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::nfv python3-perf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime bpftool-debuginfo 0:7.3.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-debuginfo-common-x86_64 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-debug 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-debug-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-debug-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-debug-devel 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-debug-modules 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-debug-modules-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-debug-modules-extra 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-devel 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-modules 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-modules-core 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-rt-modules-extra 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime kernel-tools-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime libperf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime perf-debuginfo 0:5.14.0-427.115.1.el9_4
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::realtime python3-perf-debuginfo 0:5.14.0-427.115.1.el9_4

Vulnerabilities 1

  • High 7.5
    CVE-2025-40240

    sctp: avoid NULL dereference when chunk data buffer is missing

    In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk->skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk->skb can only be NULL if chunk->he…

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

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2418832
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_4899.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-40240
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-40240
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-40240
  • article
    https://kernelcve.org/list/?q=CVE-2025-40240
  • article
    https://lore.kernel.org/linux-cve-announce/2025120403-CVE-2025-40240-745a@gregkh/T