SEPTEMBER 19, 2026
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Case File

CVE-2026-80820

UNKNOWN · CVSS N/A EPSS 0.17%

Source: NVD + CISA KEV + EPSS · Published 2026-09-04 · Last synced 2026-09-19

CyberRota Analysis

AI-Generated

The vulnerability affects the Linux kernel's XFS filesystem, where an online filesystem check (fsck) can enter a livelock state if it encounters a circular unlinked inode list. This can lead to prolonged system unresponsiveness during maintenance operations, potentially impacting system availability. Administrators managing Linux systems with XFS should prioritize addressing this issue to ensure reliable filesystem integrity and performance.

CVE
CVE-2026-80820
Severity
UNKNOWN
CVSS
N/A
EPSS
0.17%
Linux

Original NVD 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.