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CVE-2021-4155

5.5 mediumEPSS 0.3%

Medium (5.5) in linux linux kernel. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
CWE
CWE-131
Published
Modified
Record from
the NVD, synced

Affected

References

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