CVE-2026-80820: Linux

EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux: from 4.15, before 6.12.106 (fixed in 6.12.106); from 6.13, before 6.18.47 (fixed in 6.18.47); from 6.19, before 7.1.11 (fixed in 7.1.11)

Published 2026-09-04. Last modified 2026-09-04.