CVE-2013-4247
high
CVSS v3
—
CVSS v4 NEW
—
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
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Linux kernel Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | 3.9.6 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.9.6-1 |
| sid | Fixed | 3.9.6-1 |
| forky | Fixed | 3.9.6-1 |
| bullseye | Fixed | 3.9.6-1 |
| bookworm | 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
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.