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; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.59-1fixed
stretch4.9.144-3fixed
stretch (security)4.9.110-3+deb9u6fixed
buster4.19.16-1fixed
sid4.19.28-2fixed

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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