CVE-2013-1957
The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2013-1957- CVSS 2.0
- 4.7 Medium
AV:L/AC:M/Au:N/C:C/I:N/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-1957- Updated
- 2026-11-02
EUVDEUVD-2013-1947 No score
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.
- Record
EUVD-2013-1947- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rjmg-j6w6-pv33 No score
The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly...
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.
- Record
GHSA-rjmg-j6w6-pv33- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2013-1957- Updated
- 2026-11-02
OSVDEBIAN-CVE-2013-1957 No score
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.
- Record
DEBIAN-CVE-2013-1957- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-1957 is a medium vulnerability (CVSS 4.7) in Linux Kernel, published April 24, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. Fixed in linux 3.8.13-1.
References
git.kernel.org?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=132c94e31b8bca8ea921f9f96a57d684fa4ae0a9
openwall.com/lists/oss-security/2013/04/16/11
kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6
github.com/torvalds/linux/commit/132c94e31b8bca8ea921f9f96a57d684fa4ae0a9
nvd.nist.gov/vuln/detail/CVE-2013-1957
security-tracker.debian.org/tracker/CVE-2013-1957