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CVE-2021-4155

MEDIUM CVSS: 5.5 Published: 2022-08-24 Modified: 2026-06-17

Description

A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. A local attacker could use this flaw to leak data on the XFS filesystem otherwise not accessible to them.

Affected Platforms

Linux Linux Kernel

Weakness Type

CWE-131, CWE-131

References