Public Date:
915592: CVE-2013-1767 Kernel: tmpfs: fix use-after-free of mempolicy object

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2013-1767 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5. This issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6
Base Metrics AV:L/AC:H/Au:S/C:C/I:C/A:C
Access Vector Local
Access Complexity High
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux Server EUS (v. 6.2) (kernel) RHSA-2013:0882 2013-05-30
Red Hat Enterprise Linux version 6 (kernel) RHSA-2013:0744 2013-04-23
Red Hat Enterprise Linux Server EUS (v. 6.3) (kernel) RHSA-2013:0928 2013-06-11
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2013:0829 2013-05-20

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 kernel Not affected