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High ALSA-2026:49211 3 CVEs

Important: kernel security, bug fix, and enhancement update

Published Jul 31, 2026 · 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: ksm: use range-walk function to jump over holes in scan_get_next_rmap_item (CVE-2025-68211)
* kernel: isofs: validate Rock Ridge CE continuation extent against volume size (CVE-2026-46303)
* kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle ()

Bug Fix(es) and Enhancement(s):

* [DELL 10.2 FEAT] [LATE-ADD] - Include support for Ghostrider PTL mini config SKU with Realtek IC Solution [almalinux-10.2.z] (JIRA:AlmaLinux-185669)
* dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync() [almalinux-10.2.z] (JIRA:AlmaLinux-212063)

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 75

ReleasePackageFixed in
AlmaLinux · 10 kernel 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-debug 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-debug-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-debug-devel 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-debug-devel-matched 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-debug-modules 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-debug-modules-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-debug-modules-extra 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-devel 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-devel-matched 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-modules 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-modules-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-64k-modules-extra 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-abi-stablelists 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-cross-headers 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-debug 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-debug-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-debug-devel 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-debug-devel-matched 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-debug-modules 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-debug-modules-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-debug-modules-extra 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-debug-uki-virt 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-devel 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-devel-matched 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-doc 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-headers 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-modules 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-modules-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-modules-extra 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-modules-extra-matched 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-64k 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-64k-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-devel 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-modules 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-modules-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-modules-extra 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-64k-devel 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-64k-modules 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-64k-modules-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-64k-modules-extra 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-debug 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-debug-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-debug-devel 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-debug-modules 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-debug-modules-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-debug-modules-extra 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-devel 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-modules 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-modules-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-rt-modules-extra 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-tools 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-tools-libs 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-tools-libs-devel 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-uki-virt 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-uki-virt-addons 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-zfcpdump 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-devel 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-devel-matched 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-modules 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-modules-core 6.12.0-211.42.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-modules-extra 6.12.0-211.42.1.el10_2
AlmaLinux · 10 libperf 6.12.0-211.42.1.el10_2
AlmaLinux · 10 perf 6.12.0-211.42.1.el10_2
AlmaLinux · 10 python3-perf 6.12.0-211.42.1.el10_2
AlmaLinux · 10 rtla 6.12.0-211.42.1.el10_2
AlmaLinux · 10 rv 6.12.0-211.42.1.el10_2

Vulnerabilities 3

  • Critical 9.8
    CVE-2026-64530

    net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle

    In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle tcf_classify() can return TC_ACT_CONSUMED while the skb is held by the defragmentation engine (e.g. act_ct on out-of-order frag…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.2
    CVE-2026-46303

    isofs: validate Rock Ridge CE continuation extent against volume size

    In the Linux kernel, the following vulnerability has been resolved: isofs: validate Rock Ridge CE continuation extent against volume size rock_continue() reads rs->cont_extent verbatim from the Rock Ridge CE record and passes it to sb_bread() without checking…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-68211

    ksm: use range-walk function to jump over holes in scan_get_next_rmap_item

    In the Linux kernel, the following vulnerability has been resolved: ksm: use range-walk function to jump over holes in scan_get_next_rmap_item Currently, scan_get_next_rmap_item() walks every page address in a VMA to locate mergeable pages. This becomes highl…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • report
    https://access.redhat.com/security/cve/CVE-2025-68211
  • report
    https://access.redhat.com/security/cve/CVE-2026-46303
  • report
    https://access.redhat.com/security/cve/CVE-2026-64530
  • report
    https://bugzilla.redhat.com/2422696
  • report
    https://bugzilla.redhat.com/2486471
  • report
    https://bugzilla.redhat.com/2504052
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-49211.html