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CVE-2026-80820xfs: don't livelock in scrub on a circular unlinked list
- —Not scoredno CVSS score yet
- 0.17%Exploitation in 30 daysEPSS · top 94% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By Linux
- 9 days later
· 9 days later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.
- EPSS (exploitation in 30 days)
- 0.17% · top 94% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected a12890aebb895951720ff884eab1c99a30645b29 – < 599453f83458b57995290a1d31200c263e2c2691
- affected a12890aebb895951720ff884eab1c99a30645b29 – < 159d162fe80bd56573cafde5801bd5a90a3dd1ac
- affected a12890aebb895951720ff884eab1c99a30645b29 – < 56407a61a8bb85b884de802d39635abdb0ea7408
- affected a12890aebb895951720ff884eab1c99a30645b29 – < 527eaaefddb6ec5c83a06c9a1559960dd6361753
- affected 4.15
- unaffected < 4.15
- unaffected 6.12.106 – ≤ 6.12.*
- unaffected 6.18.47 – ≤ 6.18.*
- unaffected 7.1.11 – ≤ 7.1.*
- unaffected 7.2 – ≤ *
References
References4
- https://git.kernel.org/stable/c/599453f83458b57995290a1d31200c263e2c2691 (opens in a new tab)
- https://git.kernel.org/stable/c/159d162fe80bd56573cafde5801bd5a90a3dd1ac (opens in a new tab)
- https://git.kernel.org/stable/c/56407a61a8bb85b884de802d39635abdb0ea7408 (opens in a new tab)
- https://git.kernel.org/stable/c/527eaaefddb6ec5c83a06c9a1559960dd6361753 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-71255 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-80820)Record last updated .