CVE-2013-1957

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.

Category

4.7
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.06%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=132c94e31b8bca8ea921f9f96a57d684fa4ae0a9
http://www.openwall.com/lists/oss-security/2013/04/16/11 mailing list
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6
https://github.com/torvalds/linux/commit/132c94e31b8bca8ea921f9f96a57d684fa4ae0a9

Frequently Asked Questions

What is the severity of CVE-2013-1957?
CVE-2013-1957 has been scored as a medium severity vulnerability.
How to fix CVE-2013-1957?
To fix CVE-2013-1957, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-1957 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-1957 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.