SEPTEMBER 20, 2026
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Case File

CVE-2026-80533

UNKNOWN · CVSS N/A EPSS 0.17%

Source: NVD + CISA KEV + EPSS · Published 2026-08-26 · Last synced 2026-09-20

CyberRota Analysis

AI-Generated

The vulnerability affects the Linux kernel's XFS file system, specifically in the handling of the AGI repair process where a null pointer dereference can occur if the buffer verifier fails. This flaw can lead to potential system crashes or data corruption during inode list reconstruction. System administrators and developers managing Linux environments with XFS should prioritize addressing this issue to maintain system stability and data integrity.

CVE
CVE-2026-80533
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 walk off the end of a null sc->sa.agi_bp in AGI repair LOLLM noticed a longstanding bug where xrep_iunlink_walk_ondisk_bucket tries to walk ragi->sc->sa.agi_bp to rebuild the unlinked inode lists. Unfortunately, it's possible for agi_bp to be null if the buffer verifier fails, so we have to use ragi->agi_bp (which skips verifier checks) instead.