CVE-2013-4247
high
CVSS v3
—
CVSS v2
7.8
VIR risk
7.8
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2013-4247
Vendor advisory: secalert@redhat.com — https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3b
Vendor advisory: secalert@redhat.com — http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| linux-kernel | affected | 3.9.6 | |
| debian | bookworm | fixed | 3.9.6-1 |
| debian | bullseye | fixed | 3.9.6-1 |
| debian | forky | fixed | 3.9.6-1 |
| debian | sid | fixed | 3.9.6-1 |
| debian | trixie | fixed | 3.9.6-1 |
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-3.9.6
- http://www.openwall.com/lists/oss-security/2013/08/14/10
- https://bugzilla.redhat.com/show_bug.cgi?id=998401
- https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3b
- https://security-tracker.debian.org/tracker/CVE-2013-4247
CWEs
CWE-189
Verify integrity in audit chain (admin only). AS-IS.