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OpenAdvisories
High ALSA-2026:8921 2 CVEs

Important: kernel security update

Published Apr 20, 2026 · Updated Oct 29, 2026

Summary

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

Security Fix(es):

* kernel: net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit (CVE-2025-39766)
* kernel: scsi: qla2xxx: Fix improper freeing of purex item (CVE-2025-68741)

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 74

ReleasePackageFixed in
AlmaLinux · 9 kernel 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-debug 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-debug-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-debug-devel 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-debug-devel-matched 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-debug-modules 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-debug-modules-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-debug-modules-extra 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-devel 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-devel-matched 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-modules 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-modules-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-64k-modules-extra 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-abi-stablelists 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-cross-headers 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-debug 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-debug-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-debug-devel 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-debug-devel-matched 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-debug-modules 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-debug-modules-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-debug-modules-extra 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-debug-uki-virt 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-devel 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-devel-matched 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-doc 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-headers 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-modules 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-modules-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-modules-extra 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-64k 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-64k-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-64k-debug 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-devel 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-modules 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-modules-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-64k-debug-modules-extra 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-64k-devel 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-64k-modules 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-64k-modules-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-64k-modules-extra 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-debug 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-debug-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-debug-devel 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-debug-modules 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-debug-modules-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-debug-modules-extra 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-devel 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-modules 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-modules-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-rt-modules-extra 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-tools 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-tools-libs 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-tools-libs-devel 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-uki-virt 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-uki-virt-addons 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-zfcpdump 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-zfcpdump-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-zfcpdump-devel 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-zfcpdump-devel-matched 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-zfcpdump-modules 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-zfcpdump-modules-core 5.14.0-611.49.1.el9_7
AlmaLinux · 9 kernel-zfcpdump-modules-extra 5.14.0-611.49.1.el9_7
AlmaLinux · 9 libperf 5.14.0-611.49.1.el9_7
AlmaLinux · 9 perf 5.14.0-611.49.1.el9_7
AlmaLinux · 9 python3-perf 5.14.0-611.49.1.el9_7
AlmaLinux · 9 rtla 5.14.0-611.49.1.el9_7
AlmaLinux · 9 rv 5.14.0-611.49.1.el9_7

Vulnerabilities 2

  • Critical 9.8

    scsi: qla2xxx: Fix improper freeing of purex item

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix improper freeing of purex item In qla2xxx_process_purls_iocb(), an item is allocated via qla27xx_copy_multiple_pkt(), which internally calls qla24xx_alloc_purex_item(). The…

  • Unscored —

    net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit

    In the Linux kernel, the following vulnerability has been resolved: net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit The following setup can trigger a WARNING in htb_activate due to the condition: !cl->leaf.q->q.qlen tc qdisc del dev lo …

References

  • report
    https://access.redhat.com/security/cve/CVE-2025-39766
  • report
    https://access.redhat.com/security/cve/CVE-2025-68741
  • report
    https://bugzilla.redhat.com/2394648
  • report
    https://bugzilla.redhat.com/2425046
  • advisory
    https://errata.almalinux.org/9/ALSA-2026-8921.html