Public Date:
1034490: CVE-2013-2596 kernel: integer overflow in fb_mmap
An integer overflow flaw was found in the way the Linux kernel's Frame Buffer device implementation mapped kernel memory to user space via the mmap syscall. A local user able to access a frame buffer device file (/dev/fb*) could possibly use this flaw to escalate their privileges on the system.

Find out more about CVE-2013-2596 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue does not affect the version of the kernel package as shipped with Red Hat Enterprise MRG 2.

This issue affects the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5. Future kernel updates for Red Hat Enterprise Linux 5 may address this issue.

CVSS v2 metrics

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 6 (kernel) RHSA-2014:1392 2014-10-13
Red Hat Enterprise Linux Advanced Update Support 6.2 (kernel) RHSA-2015:0695 2015-03-17
Red Hat Enterprise Linux Advanced Update Support 6.4 (kernel) RHSA-2015:0803 2015-04-14
Red Hat Enterprise Linux 5 (kernel) RHSA-2016:0450 2016-03-15
Red Hat Enterprise Linux Extended Update Support 6.5 (kernel) RHSA-2015:0782 2015-04-07
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
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