CVE-2013-4247

HighCVSS 7.8/10Last modified Jun 16, 2026

Description

Off-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.

Metrics

CVSS 2.0 7.8/10AV:N/AC:L/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-189

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1fc29bacedeabb278080e31bb9c1ecb49f143c3b
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6Vendor Advisory
http://www.openwall.com/lists/oss-security/2013/08/14/10Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=998401Issue Tracking, Third Party Advisory
https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3bExploit, Patch, Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1fc29bacedeabb278080e31bb9c1ecb49f143c3b
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6Vendor Advisory
http://www.openwall.com/lists/oss-security/2013/08/14/10Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=998401Issue Tracking, Third Party Advisory
https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3bExploit, Patch, Third Party Advisory

Timeline

Published: Aug 25, 2013
Last modified: Jun 16, 2026
NVD status: Modified

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