Vulnerability in Linux Kernel
CVE-2013-4247
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.036 (89.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3b (Exploit, Patch, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6 (Vendor Advisory)
- www.openwall.com/lists/oss-security/2013/08/14/10 (mailing-list, Mailing List, Third Party Advisory)
- git.kernel.org/
Frequently asked questions
- What is CVE-2013-4247?
- CVE-2013-4247 is a vulnerability in Linux Kernel, classified under CWE-189. Published 2013-08-25.
- Is CVE-2013-4247 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.