Not yet scoredPublished Sep 4, 2026

CVE-2026-80820xfs: don't livelock in scrub on a circular unlinked list

Updated under an hour ago (Oct 27, 2026, 8:30 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 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.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Sep 4, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from a12890aebb895951720ff884eab1c99a30645b29 before 599453f83458b57995290a1d31200c263e2c2691; from a12890aebb895951720ff884eab1c99a30645b29 before 159d162fe80bd56573cafde5801bd5a90a3dd1ac; from a12890aebb895951720ff884eab1c99a30645b29 before 56407a61a8bb85b884de802d39635abdb0ea7408; from a12890aebb895951720ff884eab1c99a30645b29 before 527eaaefddb6ec5c83a06c9a1559960dd6361753	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.