CVE-2011-2496

MEDIUM

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.

References

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

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

Details

Source: MITRE

Published: 2012-06-13

Updated: 2012-06-28

Type: CWE-189

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM