Skip to content
OpenAdvisories
High RHSA-2026:5821 3 CVEs

Red Hat Security Advisory: kernel security update

Published Mar 26, 2026 · Updated Jul 30, 2026

Fixed packages 48

ReleasePackageFixed in
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos bpftool 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos bpftool-debuginfo 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-abi-stablelists 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-core 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debug 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debug-core 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debug-debuginfo 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debug-devel 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debug-modules 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debug-modules-extra 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debuginfo 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debuginfo-common-x86_64 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-devel 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-doc 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-modules 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-modules-extra 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-tools 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-tools-debuginfo 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-tools-libs 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos perf 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos perf-debuginfo 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos python3-perf 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos python3-perf-debuginfo 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos bpftool 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos bpftool-debuginfo 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-abi-stablelists 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-core 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debug 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debug-core 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debug-debuginfo 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debug-devel 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debug-modules 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debug-modules-extra 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debuginfo 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debuginfo-common-x86_64 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-devel 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-doc 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-modules 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-modules-extra 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-tools 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-tools-debuginfo 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-tools-libs 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos perf 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos perf-debuginfo 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos python3-perf 0:4.18.0-305.187.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos python3-perf-debuginfo 0:4.18.0-305.187.1.el8_4

Vulnerabilities 3

  • High 7.8

    RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug

    In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x7d/0xa0 lib/dump_stack.c:120 print_address_descri…

  • High 7.8

    page_pool: Fix use-after-free in page_pool_recycle_in_ring

    In the Linux kernel, the following vulnerability has been resolved: page_pool: Fix use-after-free in page_pool_recycle_in_ring syzbot reported a uaf in page_pool_recycle_in_ring: BUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockd…

  • High 7.8

    ALSA: usb-audio: Fix potential overflow of PCM transfer buffer

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix potential overflow of PCM transfer buffer The PCM stream data in USB-audio driver is transferred over USB URB packet buffers, and each packet size is determined dynamical…

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2373354
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2376034
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2419919
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_5821.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-38024
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38024
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38024
  • article
    https://lore.kernel.org/linux-cve-announce/2025061847-CVE-2025-38024-2904@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38129
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38129
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38129
  • article
    https://lore.kernel.org/linux-cve-announce/2025070330-CVE-2025-38129-3c0e@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-40269
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-40269
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-40269
  • article
    https://lore.kernel.org/linux-cve-announce/2025120716-CVE-2025-40269-9769@gregkh/T