CVE-2026-80820

medium

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/599453f83458b57995290a1d31200c263e2c2691

https://git.kernel.org/stable/c/56407a61a8bb85b884de802d39635abdb0ea7408

https://git.kernel.org/stable/c/527eaaefddb6ec5c83a06c9a1559960dd6361753

https://git.kernel.org/stable/c/159d162fe80bd56573cafde5801bd5a90a3dd1ac

Details

Source: Mitre, NVD

Published: 2026-09-04

Updated: 2026-09-04

Risk Information

CVSS v2

Base Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H