CVE-2026-80820

Description

In the Linux kernel, the following vulnerability has been resolved: xfs: don't livelock in scrub on a circular unlinked list LOLLM points out that online fsck can livelock if an unlinked inode list contains a loop. Use a bitmap to detect cycles.

References

• https://git.kernel.org/stable/c/159d162fe80bd56573cafde5801bd5a90a3dd1ac
• https://git.kernel.org/stable/c/527eaaefddb6ec5c83a06c9a1559960dd6361753
• https://git.kernel.org/stable/c/56407a61a8bb85b884de802d39635abdb0ea7408
• https://git.kernel.org/stable/c/599453f83458b57995290a1d31200c263e2c2691