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cve/2021/CVE-2021-4155.md
0xMarcio cb00e1339f Update CVE list 2025-09-29 21:09
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CVE-2021-4155

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.

POC

Reference

Github