CVE-2026-80820 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Vendors	Products
Linux Subscribe	Linux Kernel Subscribe

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
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

History

Fri, 04 Sep 2026 15:30:00 +0000

Type	Values Removed	Values Added
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.
Title		xfs: don't livelock in scrub on a circular unlinked list
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
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

Projects

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MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2026-09-04T15:13:41.355Z

Updated: 2026-09-04T15:13:41.355Z

Reserved: 2026-08-26T14:34:25.795Z

Link: CVE-2026-80820

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-09-04T16:18:09.743

Modified: 2026-09-04T16:18:09.743

Link: CVE-2026-80820

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

No weakness.

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