Skip to content
OpenAdvisories
High RHSA-2025:9348 4 CVEs

Red Hat Security Advisory: kernel security update

Published Jun 24, 2025 · Updated Oct 16, 2026

Ecosystem: Red Hat

Fixed packages 91

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.0 kernel 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-devel 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-devel-matched 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-modules 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-modules-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-modules-extra 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-devel 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-devel-matched 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-modules 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-modules-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-modules-extra 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-abi-stablelists 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-devel 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-devel-matched 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-modules 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-modules-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-modules-extra 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-uki-virt 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo-common-aarch64 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo-common-ppc64le 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo-common-s390x 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo-common-x86_64 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-devel 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-devel-matched 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-doc 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-modules 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-modules-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-modules-extra 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-devel 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-modules 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-modules-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-modules-extra 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-devel 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-modules 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-modules-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-modules-extra 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-devel 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-kvm 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-modules 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-modules-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-modules-extra 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-devel 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-kvm 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-modules 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-modules-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-modules-extra 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-tools 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-tools-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-tools-libs 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-tools-libs-devel 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-uki-virt 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-uki-virt-addons 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-devel 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-devel-matched 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-modules 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-modules-core 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-modules-extra 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 libperf 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 libperf-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 perf 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 perf-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 python3-perf 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 python3-perf-debuginfo 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 rtla 0:6.12.0-55.18.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 rv 0:6.12.0-55.18.1.el10_0

Vulnerabilities 4

  • High 7.8
    CVE-2025-21999

    proc: fix UAF in proc_get_inode()

    In the Linux kernel, the following vulnerability has been resolved: proc: fix UAF in proc_get_inode() Fix race between rmmod and /proc/XXX's inode instantiation. The bug is that pde->proc_ops don't belong to /proc, it belongs to a module, therefore dereferenc…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-23150

    ext4: fix off-by-one error in do_split

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in do_split Syzkaller detected a use-after-free issue in ext4_insert_dentry that was caused by out-of-bounds access due to incorrect splitting in do_split. BUG: KAS…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-37738

    ext4: ignore xattrs past end

    In the Linux kernel, the following vulnerability has been resolved: ext4: ignore xattrs past end Once inside 'ext4_xattr_inode_dec_ref_all' we should ignore xattrs entries past the 'end' entry. This fixes the following KASAN reported issue: ==================…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-38234

    sched/rt: Fix race in push_rt_task

    In the Linux kernel, the following vulnerability has been resolved: sched/rt: Fix race in push_rt_task Overview ======== When a CPU chooses to call push_rt_task and picks a task to push to another CPU's runqueue then it will call find_lock_lowest_rq method wh…

    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=2357134
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2363268
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2363305
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_9348.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-21999
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-21999
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-21999
  • article
    https://lore.kernel.org/linux-cve-announce/2025040348-CVE-2025-21999-bc57@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-23150
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-23150
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-23150
  • article
    https://lore.kernel.org/linux-cve-announce/2025050127-CVE-2025-23150-15b8@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-37738
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-37738
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-37738
  • article
    https://lore.kernel.org/linux-cve-announce/2025050132-CVE-2025-37738-deb1@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38234
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2376375
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38234
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38234
  • article
    https://lore.kernel.org/linux-cve-announce/2025070430-CVE-2025-38234-6984@gregkh/T