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CVE-2013-1957

Published: Apr 24, 2013

Modified: Aug 6, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=132c94e31b8bca8ea921f9f96a57d684fa4ae0a9

x_refsource_CONFIRM

[oss-security] 20130416 Re: Re: Summary of security bugs (now fixed) in user namespaces

mailing-list

x_refsource_MLIST

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6

x_refsource_CONFIRM

https://github.com/torvalds/linux/commit/132c94e31b8bca8ea921f9f96a57d684fa4ae0a9

x_refsource_CONFIRM

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