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CVE-2013-1957

UnknownEPSS 0.34%

Last modified

CVE-2013-1957 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.34%

25.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel<= 3.8.5
LinuxLinux Kernel3.8.0
LinuxLinux Kernel3.8.1
LinuxLinux Kernel3.8.2
LinuxLinux Kernel3.8.3
LinuxLinux Kernel3.8.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-1957?
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.
How severe is CVE-2013-1957?
Severity scoring for CVE-2013-1957 is pending analysis. The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2013-1957?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-1957?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST