CVE-2025-2312

NameCVE-2025-2312
DescriptionA flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. This issue may lead to disclosing sensitive data from the host's Kerberos credentials cache.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, 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
cifs-utils (PTS)bullseye2:6.11-3.1+deb11u2vulnerable
bullseye (security)2:6.11-3.1+deb11u1vulnerable
bookworm2:7.0-2vulnerable
sid, trixie2:7.3-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
cifs-utilssource(unstable)2:7.2-1

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=2352604
Depends on change on kernel: https://git.kernel.org/linus/db363b0a1d9e6b9dc556296f1b1007aeb496a8cf (6.13-rc1)
Fixed by: https://git.samba.org/?p=cifs-utils.git;a=commit;h=89b679228cc1be9739d54203d28289b03352c174 (7.2)
Documentation update: https://git.samba.org/?p=cifs-utils.git;a=commit;h=cf63240489431e98033e599a7c9437b59494a2e4 (7.2)

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