AI Score
Confidence
High
EPSS
Percentile
5.1%
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.
access.redhat.com/security/cve/CVE-2021-4155
bugzilla.redhat.com/show_bug.cgi?id=2034813
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=983d8e60f50806f90534cc5373d0ce867e5aaf79
security-tracker.debian.org/tracker/CVE-2021-4155
www.openwall.com/lists/oss-security/2022/01/10/1