CVE-2013-4247

NameCVE-2013-4247
DescriptionOff-by-one error in the build_unc_path_to_root function in fs/cifs/connect.c in the Linux kernel before 3.9.6 allows remote attackers to cause a denial of service (memory corruption and system crash) via a DFS share mount operation that triggers use of an unexpected DFS referral name length.
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: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.68-2fixed
stretch4.9.168-1fixed
stretch (security)4.9.168-1+deb9u3fixed
buster, sid4.19.37-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)3.9.6-1high
linuxsourcewheezy(not affected)
linux-2.6source(unstable)(not affected)

Notes

- linux-2.6 <not-affected> (Introduced in 3.8)
[wheezy] - linux <not-affected> (Introduced in 3.8)

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