CVE-2013-4247

N/A Unknown
Published: August 25, 2013 Modified: April 29, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1fc29bacedeabb278080e31bb9c1ecb49f143c3b
Source: secalert@redhat.com
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6
Source: secalert@redhat.com
Vendor Advisory
http://www.openwall.com/lists/oss-security/2013/08/14/10
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=998401
Source: secalert@redhat.com
Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3b
Source: secalert@redhat.com
Exploit Patch Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1fc29bacedeabb278080e31bb9c1ecb49f143c3b
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.openwall.com/lists/oss-security/2013/08/14/10
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=998401
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3b
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Patch Third Party Advisory

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.8%
75th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-189

Affected Vendors

linux

Related CVEs

CVE-2026-8108 7.8
CVE-2026-5371 7.1
CVE-2026-44548 8.1
CVE-2026-44547 9.6
CVE-2026-44352 N/A