CVE-2011-2496

Impact:
Moderate
Public Date:
2011-04-07
IAVA:
2012-A-0148, 2012-A-0153
Bugzilla:
716538: CVE-2011-2496 kernel: mm: avoid wrapping vm_pgoff in mremap() and stack expansions

The MITRE CVE dictionary describes this issue as:

Integer overflow in the vma_to_resize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (BUG_ON and system crash) via a crafted mremap system call that expands a memory mapping.

Find out more about CVE-2011-2496 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 4.9
Base Metrics AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
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-2011:1350 2011-10-05
Red Hat Enterprise Linux 5 (kernel) RHSA-2011:1386 2011-10-20
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2011:1253 2011-09-12
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.

Acknowledgements

Red Hat would like to thank Robert Swiecki for reporting this issue.
Last Modified

CVE description copyright © 2017, The MITRE Corporation