CVE-2026-71221

NameCVE-2026-71221
DescriptionA stack out-of-bounds write vulnerability was found in gfs2-utils. In savemeta, the height value from on-disk inode metadata is used as a loop bound without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gfs2-utils (PTS)bookworm3.5.0-2vulnerable
forky, sid, trixie3.6.1-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gfs2-utilssource(unstable)(unfixed)

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=2511396
check upstream details

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