CVE-2011-4077

MEDIUM

Description

Buffer overflow in the xfs_readlink function in fs/xfs/xfs_vnodeops.c in XFS in the Linux kernel 2.6, when CONFIG_XFS_DEBUG is disabled, allows local users to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code via an XFS image containing a symbolic link with a long pathname.

References

http://marc.info/?l=bugtraq&m=139447903326211&w=2

http://oss.sgi.com/archives/xfs/2011-10/msg00345.html

http://secunia.com/advisories/48964

http://www.openwall.com/lists/oss-security/2011/10/26/1

http://www.openwall.com/lists/oss-security/2011/10/26/3

http://xorl.wordpress.com/2011/12/07/cve-2011-4077-linux-kernel-xfs-readlink-memory-corruption/

https://bugzilla.redhat.com/show_bug.cgi?id=749156

Details

Source: MITRE

Published: 2012-01-27

Updated: 2016-08-23

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 6.9

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

Impact Score: 10

Exploitability Score: 3.4

Severity: MEDIUM