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OpenAdvisories
Medium ALSA-2025:9302 5 CVEs

Moderate: kernel security update

Published Jun 23, 2025 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: ice: Fix deinitializing VF in error path (CVE-2025-21883)
* kernel: sched/fair: Fix potential memory corruption in child_cfs_rq_on_list (CVE-2025-21919)
* kernel: ibmvnic: Use kernel helpers for hex dumps (CVE-2025-22104)
* kernel: ext4: fix off-by-one error in do_split (CVE-2025-23150)
* kernel: ext4: ignore xattrs past end (CVE-2025-37738)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 76

ReleasePackageFixed in
AlmaLinux · 9 kernel 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-debug 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-debug-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-debug-devel 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-debug-devel-matched 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-debug-modules 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-debug-modules-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-debug-modules-extra 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-devel 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-devel-matched 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-modules 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-modules-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-64k-modules-extra 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-abi-stablelists 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-cross-headers 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-debug 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-debug-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-debug-devel 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-debug-devel-matched 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-debug-modules 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-debug-modules-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-debug-modules-extra 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-debug-uki-virt 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-devel 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-devel-matched 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-doc 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-headers 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-modules 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-modules-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-modules-extra 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-64k 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-64k-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-64k-debug 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-64k-debug-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-64k-debug-devel 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-64k-debug-modules 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-64k-debug-modules-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-64k-debug-modules-extra 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-64k-devel 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-64k-modules 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-64k-modules-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-64k-modules-extra 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-debug 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-debug-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-debug-devel 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-debug-kvm 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-debug-modules 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-debug-modules-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-debug-modules-extra 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-devel 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-kvm 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-modules 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-modules-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-rt-modules-extra 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-tools 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-tools-libs 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-tools-libs-devel 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-uki-virt 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-uki-virt-addons 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-zfcpdump 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-zfcpdump-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-zfcpdump-devel 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-zfcpdump-devel-matched 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-zfcpdump-modules 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-zfcpdump-modules-core 5.14.0-570.23.1.el9_6
AlmaLinux · 9 kernel-zfcpdump-modules-extra 5.14.0-570.23.1.el9_6
AlmaLinux · 9 libperf 5.14.0-570.23.1.el9_6
AlmaLinux · 9 perf 5.14.0-570.23.1.el9_6
AlmaLinux · 9 python3-perf 5.14.0-570.23.1.el9_6
AlmaLinux · 9 rtla 5.14.0-570.23.1.el9_6
AlmaLinux · 9 rv 5.14.0-570.23.1.el9_6

Vulnerabilities 5

  • High 7.8
    CVE-2025-21919

    sched/fair: Fix potential memory corruption in child_cfs_rq_on_list

    In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix potential memory corruption in child_cfs_rq_on_list child_cfs_rq_on_list attempts to convert a 'prev' pointer to a cfs_rq. This 'prev' pointer can originate from struct rq's l…

    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
  • Unscored —
    CVE-2025-21883

    ice: Fix deinitializing VF in error path

    In the Linux kernel, the following vulnerability has been resolved: ice: Fix deinitializing VF in error path If ice_ena_vfs() fails after calling ice_create_vf_entries(), it frees all VFs without removing them from snapshot PF-VF mailbox list, leading to list…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-22104

    ibmvnic: Use kernel helpers for hex dumps

    In the Linux kernel, the following vulnerability has been resolved: ibmvnic: Use kernel helpers for hex dumps Previously, when the driver was printing hex dumps, the buffer was cast to an 8 byte long and printed using string formatters. If the buffer size was…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • report
    https://access.redhat.com/security/cve/CVE-2025-21883
  • report
    https://access.redhat.com/security/cve/CVE-2025-21919
  • report
    https://access.redhat.com/security/cve/CVE-2025-22104
  • report
    https://access.redhat.com/security/cve/CVE-2025-23150
  • report
    https://access.redhat.com/security/cve/CVE-2025-37738
  • report
    https://bugzilla.redhat.com/2355415
  • report
    https://bugzilla.redhat.com/2356618
  • report
    https://bugzilla.redhat.com/2360265
  • report
    https://bugzilla.redhat.com/2363268
  • report
    https://bugzilla.redhat.com/2363305
  • advisory
    https://errata.almalinux.org/9/ALSA-2025-9302.html