DescriptionThe slip_down function in slip.c for the uml_net program in uml-utilities 20030903, when uml_net is installed setuid root, does not verify whether the calling user has sufficient permission to disable an interface, which allows local users to cause a denial of service (network service disabled).
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
uml-utilities (PTS)buster20070815.2-1fixed
sid, trixie, bookworm, bullseye20070815.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
uml-utilitiessource(unstable)(not affected)


- uml-utilities <not-affected> (uml_net is only executable by users in group uml-net)

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