PT-2013-3490 · Linux · Linux Kernel

Andy Lutomirski · CVE-2013-1957 · Published 2013-04-24 · Updated 2023-02-13

Positive Technologies (AI Summary)

CVSS v2.0

4.7

Medium

Base vector

AV:L/AC:M/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 3.8.6

Description The issue concerns the clone mnt function in fs/namespace.c, which does not properly restrict changes to the MNT READONLY flag. This allows local users to bypass the intended read-only property of a filesystem by leveraging a separate mount namespace.

Recommendations For Linux kernel versions prior to 3.8.6, update to version 3.8.6 or later to resolve the issue.

Fix

Weakness Enumeration

CWE-264

Related Identifiers

CVE-2013-1957

Affected Products

Linux Kernel

References · 8

• https://security-tracker.debian.org/tracker/CVE-2013-1957 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2013-1957 · Security Note
• https://osv.dev/vulnerability/CVE-2013-1957 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2013-1957 · Vendor Advisory
• https://github.com/torvalds/linux/commit/132c94e31b8bca8ea921f9f96a57d684fa4ae0a9 · Note
• http://kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6 · Note
• http://openwall.com/lists/oss-security/2013/04/16/11 · Note
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=132c94e31b8bca8ea921f9f96a57d684fa4ae0a9 · Note