kernel patch backport

About this tag
The kernel patch backport tag covers discussions about applying security fixes from newer Linux kernel versions to older stable or LTS branches. A recent thread details a ROMFS patch for CVE-2026-23238, a local denial-of-service vulnerability where an oversized block size during mount could crash the system. The fix was developed upstream and then backported into stable kernel trees. This tag is relevant for system administrators and developers who maintain older kernels and need to understand the backporting process for critical security updates. Topics include patch selection, testing, and the mechanics of merging fixes without breaking existing functionality.

  1. Linux Kernel ROMFS Patch Fixes CVE-2026-23238 Local DoS

    A small, surgical fix to the Linux kernel’s ROMFS loader was published this month after syzbot detected a mount-time path that could leave the kernel trying to perform I/O with an oversized block size and trigger a BUG that crashes the system; the issue is tracked as CVE-2026-23238 and has been...
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    • cve-2026-23238 kernel patch backport linux kernel romfs
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    • Forum: Security Alerts