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CVE-2021-4155

CVE-2021-4155

EPSS 0.3%CWE-131
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 0.3%KEV nãoPoC —Patch —
Lifecycle
24 Aug 2022Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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 products
n/a · kernel

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References
https://access.redhat.com/security/cve/CVE-2021-4155https://bugzilla.redhat.com/show_bug.cgi?id=2034813https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=983d8e60f50806f90534cc5373d0ce867e5aaf79https://security-tracker.debian.org/tracker/CVE-2021-4155https://www.openwall.com/lists/oss-security/2022/01/10/1