Published: 25/08/2013 Updated: 13/02/2023

CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10

VMScore: 694

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Off-by-one error in the build_unc_path_to_root function in fs/cifs/connect.c in the Linux kernel prior to 3.9.6 allows remote malicious users 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.

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linux linux kernel

Several security issues were fixed in the kernel ...

The system could be made to crash or run programs as an administrator ...

Off-by-one error in the build_unc_path_to_root function in fs/cifs/connectc in the Linux kernel before 396 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 ...

CWE-189 https://bugzilla.redhat.com/show_bug.cgi?id=998401 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6 http://www.openwall.com/lists/oss-security/2013/08/14/10 https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3b http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1fc29bacedeabb278080e31bb9c1ecb49f143c3b https://nvd.nist.gov https://usn.ubuntu.com/1936-1/https://access.redhat.com/security/cve/cve-2013-4247

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CVE-2013-4247

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