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

https://bugzilla.redhat.com/show_bug.cgi?id=716538

http://www.openwall.com/lists/oss-security/2011/06/27/2

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=982134ba62618c2d69fbbbd166d0a11ee3b7e3d8

http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39

Details

Source: Mitre, NVD

Published: 2012-06-13

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H