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High RHSA-2025:16539 5 CVEs

Red Hat Security Advisory: kpatch-patch-5_14_0-284_104_1, kpatch-patch-5_14_0-284_117_1, kpatch-patch-5_14_0-284_79_1, and kpatch-patch-5_14_0-284_92_1 security update

Published Sep 24, 2025 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 12

ReleasePackageFixed in
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_104_1 0:1-10.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_104_1-debuginfo 0:1-10.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_104_1-debugsource 0:1-10.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_117_1 0:1-7.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_117_1-debuginfo 0:1-7.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_117_1-debugsource 0:1-7.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_79_1 0:1-14.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_79_1-debuginfo 0:1-14.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_79_1-debugsource 0:1-14.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_92_1 0:1-12.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_92_1-debuginfo 0:1-12.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos kpatch-patch-5_14_0-284_92_1-debugsource 0:1-12.el9_2

Vulnerabilities 5

  • High 7.8
    CVE-2025-37890

    net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc

    In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc As described in Gerrard's report [1], we have a UAF case when an hfsc class has a netem child qdisc. The crux of th…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-38000

    sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

    In the Linux kernel, the following vulnerability has been resolved: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() When enqueuing the first packet to an HFSC class, hfsc_enqueue() calls the child qdisc's peek() operation before incrementi…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-38001 Public exploit

    net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

    In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice Savino says: "We are writing to report that this recent patch (141d34391abbb315d68556b7c67ad97885407547) [1] can be byp…

    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
  • Unscored —
    CVE-2025-38380 Rejected

    This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

    linux-raspi2 linux-hwe linux-azure linux-riscv Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2366848
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2370776
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2370786
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2382054
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2383381
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_16539.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-37890
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-37890
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-37890
  • article
    https://kernelcve.org/list/?q=CVE-2025-37890
  • article
    https://lore.kernel.org/linux-cve-announce/2025051617-CVE-2025-37890-437b@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38000
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38000
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38000
  • article
    https://lore.kernel.org/linux-cve-announce/2025060639-CVE-2025-38000-f5a4@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38001
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38001
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38001
  • article
    https://lore.kernel.org/linux-cve-announce/2025060650-CVE-2025-38001-f921@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
  • report
    https://access.redhat.com/security/cve/CVE-2025-38380
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38380