Kernel Security Update — AlmaLinux 9 (ALSA-2026:49212)
This is a security release for AlmaLinux 9. Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.
Fix Commands
EL8+ (AlmaLinux/CloudLinux/Rocky)
sudo dnf updateWhat this means under a SharedLicense license
Your SharedLicense license itself is not affected — this is a change in AlmaLinux 9 software, not in licensing. Update the product through its standard update channel. Licenses keep working through updates; nothing needs re-issuing or re-activating.
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: ipc: limit next_id allocation to the valid ID range (CVE-2026-52923)
* kernel: tipc: fix double-free in tipc_buf_append() (CVE-2026-52993)
* kernel: net: sched: UAF via missing handler for TC…
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: ipc: limit next_id allocation to the valid ID range (CVE-2026-52923) * kernel: tipc: fix double-free in tipc_buf_append() (CVE-2026-52993) * kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle () * kernel: net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle (CVE-2026-64530) 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.
References
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