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OpenAdvisories
High RHSA-2025:14691 5 CVEs

Red Hat Security Advisory: kernel-rt security update

Published Aug 31, 2025 · Updated Aug 5, 2026

Ecosystem: Red Hat

Fixed packages 32

ReleasePackageFixed in
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-core 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-core 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-debuginfo 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-devel 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-kvm 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-modules 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-modules-core 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-modules-extra 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debuginfo 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debuginfo-common-x86_64 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-devel 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-kvm 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-modules 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-modules-core 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-modules-extra 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-core 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-core 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-debuginfo 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-devel 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-modules 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-modules-core 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-modules-extra 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debuginfo 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debuginfo-common-x86_64 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-devel 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-modules 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-modules-core 0:5.14.0-284.134.1.rt14.419.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-modules-extra 0:5.14.0-284.134.1.rt14.419.el9_2

Vulnerabilities 5

  • High 7.8
    CVE-2022-49977

    ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead

    In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead ftrace_startup does not remove ops from ftrace_ops_list when ftrace_startup_enable fails: register_ftrace_func…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-21867

    bpf, test_run: Fix use-after-free issue in eth_skb_pkt_type()

    In the Linux kernel, the following vulnerability has been resolved: bpf, test_run: Fix use-after-free issue in eth_skb_pkt_type() KMSAN reported a use-after-free issue in eth_skb_pkt_type()[1]. The cause of the issue was that eth_skb_pkt_type() accessed skb's…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-38079

    crypto: algif_hash - fix double free in hash_accept

    In the Linux kernel, the following vulnerability has been resolved: crypto: algif_hash - fix double free in hash_accept If accept(2) is called on socket type algif_hash with MSG_MORE flag set and crypto_ahash_import fails, sk2 is freed. However, it is also fr…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-38177

    sch_hfsc: make hfsc_qlen_notify() idempotent

    In the Linux kernel, the following vulnerability has been resolved: sch_hfsc: make hfsc_qlen_notify() idempotent hfsc_qlen_notify() is not idempotent either and not friendly to its callers, like fq_codel_dequeue(). Let's make it idempotent to ease qdisc_tree_…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-38350

    net/sched: Always pass notifications when child class becomes empty

    In the Linux kernel, the following vulnerability has been resolved: net/sched: Always pass notifications when child class becomes empty Certain classful qdiscs may invoke their classes' dequeue handler on an enqueue operation. This may unexpectedly empty the …

    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=2355334
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2373383
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2373574
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2376354
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2382054
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_14691.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-49977
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-49977
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-49977
  • article
    https://lore.kernel.org/linux-cve-announce/2025061819-CVE-2022-49977-3826@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-21867
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-21867
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-21867
  • article
    https://lore.kernel.org/linux-cve-announce/2025032732-CVE-2025-21867-3138@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38079
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38079
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38079
  • article
    https://lore.kernel.org/linux-cve-announce/2025061841-CVE-2025-38079-7fa5@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38177
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38177
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38177
  • article
    https://lore.kernel.org/linux-cve-announce/2025070411-CVE-2025-38177-bd6c@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38350
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38350
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38350
  • article
    https://lore.kernel.org/linux-cve-announce/2025071933-CVE-2025-38350-262a@gregkh/T