National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-2496 Detail

Description

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.

Source:  MITRE
Description Last Modified:  06/13/2012

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=982134ba62618c2d69fbbbd166d0a11ee3b7e3d8 Patch
http://www.openwall.com/lists/oss-security/2011/06/27/2
https://bugzilla.redhat.com/show_bug.cgi?id=716538
https://github.com/torvalds/linux/commit/982134ba62618c2d69fbbbd166d0a11ee3b7e3d8 Exploit Patch

Technical Details

Vulnerability Type (View All)

Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-2496
NVD Published Date:
06/13/2012
NVD Last Modified:
06/28/2012