CVE-2018-20976

unknown
Published — · Modified —
CVSS v3
CVSS v4 NEW
not yet in upstream
VIR risk

Description

An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker · View original ↗ · DFSG

CVE-2018-20976 NameCVE-2018-20976 DescriptionAn issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure. 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) ReferencesDLA-1930-1, DLA-2114-1 Vulnerable and…

CVE-2018-20976

NameCVE-2018-20976
DescriptionAn issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure.
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)
ReferencesDLA-1930-1, DLA-2114-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1fixed
bullseye (security)5.10.257-1fixed
bookworm6.1.170-3fixed
bookworm (security)6.1.174-1fixed
trixie6.12.86-1fixed
trixie (security)6.12.90-2fixed
forky, sid7.0.10-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcejessie3.16.74-1DLA-1930-1
linuxsourcestretch4.9.210-1
linuxsource(unstable)4.18.6-1
linux-4.9sourcejessie4.9.210-1~deb8u1DLA-2114-1

Notes

https://git.kernel.org/linus/c9fbd7bbc23dbdd73364be4d045e5d3612cf6e82

Home - Debian Security - Source (Git)

Apply commands

text fix
Notes
https://git.kernel.org/linus/c9fbd7bbc23dbdd73364be4d045e5d3612cf6e82

OS impact

suse SUSE Affected 1 release
VersionStatusFixed in
Affected
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 4.18.6-1
sid Fixed 4.18.6-1
forky Fixed 4.18.6-1
bullseye Fixed 4.18.6-1
bookworm Fixed 4.18.6-1

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.