CVE-2013-1858

NameCVE-2013-1858
DescriptionThe clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a combination of the CLONE_NEWUSER and CLONE_FS flags, which allows local users to gain privileges by calling chroot and leveraging the sharing of the / directory between a parent process and a child process.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
NVD severityhigh (attack range: local)
Debian/oldoldstablenot vulnerable.
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.65-1fixed
wheezy (security)3.2.68-1+deb7u1fixed
jessie3.16.7-ckt9-2fixed
jessie (security)3.16.7-ckt9-3~deb8u1fixed
stretch3.16.7-ckt9-3fixed
sid4.0.2-1fixed
linux-2.6 (PTS)squeeze, squeeze (security)2.6.32-48squeeze6fixed
squeeze (lts)2.6.32-48squeeze11fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)(not affected)
linux-2.6source(unstable)(not affected)

Notes

- linux <not-affected> (Only exploitable starting with 3.7)
- linux-2.6 <not-affected> (Only exploitable starting with 3.7)
http://stealth.openwall.net/xSports/clown-newuser.c

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