National Cyber Awareness System

Vulnerability Summary for CVE-2013-1767

Overview

Use-after-free vulnerability in the shmem_remount_fs function in mm/shmem.c in the Linux kernel before 3.7.10 allows local users to gain privileges or cause a denial of service (system crash) by remounting a tmpfs filesystem without specifying a required mpol (aka mempolicy) mount option.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: https://github.com/torvalds/linux/commit/5f00110f7273f9ff04ac69a5f85bb535a4fd0987

Type: Patch Information; Exploit

Hyperlink:https://github.com/torvalds/linux/commit/5f00110f7273f9ff04ac69a5f85bb535a4fd0987

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=915592

Type: Patch Information

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=915592

External Source: CONFIRM

Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5f00110f7273f9ff04ac69a5f85bb535a4fd0987

Type: Patch Information

Hyperlink:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5f00110f7273f9ff04ac69a5f85bb535a4fd0987

External Source: UBUNTU

Name: USN-1798-1

Hyperlink:http://www.ubuntu.com/usn/USN-1798-1

External Source: UBUNTU

Name: USN-1797-1

Hyperlink:http://www.ubuntu.com/usn/USN-1797-1

External Source: UBUNTU

Name: USN-1796-1

Hyperlink:http://www.ubuntu.com/usn/USN-1796-1

External Source: UBUNTU

Name: USN-1795-1

Hyperlink:http://www.ubuntu.com/usn/USN-1795-1

External Source: UBUNTU

Name: USN-1794-1

Hyperlink:http://www.ubuntu.com/usn/USN-1794-1

External Source: UBUNTU

Name: USN-1793-1

Hyperlink:http://www.ubuntu.com/usn/USN-1793-1

External Source: UBUNTU

Name: USN-1792-1

Hyperlink:http://www.ubuntu.com/usn/USN-1792-1

External Source: UBUNTU

Name: USN-1788-1

Hyperlink:http://www.ubuntu.com/usn/USN-1788-1

External Source: UBUNTU

Name: USN-1787-1

Hyperlink:http://www.ubuntu.com/usn/USN-1787-1

External Source: MLIST

Name: [oss-security] 20130225 Re: kernel: tmpfs use-after-free

Hyperlink:http://www.openwall.com/lists/oss-security/2013/02/25/23

External Source: CONFIRM

Name: http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.10

Hyperlink:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.10