CVE-2013-1957
medium
CVSS v3
—
CVSS v4 NEW
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VIR risk
4.7
Description
The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNT_READONLY flag, which allows local users to bypass an intended read-only property of a filesystem by leveraging a separate mount namespace.
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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 3.8.13-1 |
| debian | bullseye | fixed | 3.8.13-1 |
| debian | forky | fixed | 3.8.13-1 |
| debian | sid | fixed | 3.8.13-1 |
| debian | trixie | fixed | 3.8.13-1 |
| linux-kernel | affected | | |
| linux-kernel | 3.8.0 | affected | |
| linux-kernel | 3.8.1 | affected | |
| linux-kernel | 3.8.2 | affected | |
| linux-kernel | 3.8.3 | affected | |
| linux-kernel | 3.8.4 | affected | |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=132c94e31b8bca8ea921f9f96a57d684fa4ae0a9
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6
- http://www.openwall.com/lists/oss-security/2013/04/16/11
- https://github.com/torvalds/linux/commit/132c94e31b8bca8ea921f9f96a57d684fa4ae0a9
- https://security-tracker.debian.org/tracker/CVE-2013-1957
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.