Vulnerability Monitor

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CVE-2011-4077

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.

Published

2012-01-27T15:55:04.297

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.9 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

10.0

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 3.0.11	Yes
Operating System	linux	linux_kernel	< 3.1.5	Yes

References

http://marc.info/?l=bugtraq&m=139447903326211&w=2 Mailing List, Third Party Advisory ([email protected])
http://oss.sgi.com/archives/xfs/2011-10/msg00345.html Patch, Third Party Advisory ([email protected])
http://secunia.com/advisories/48964 Broken Link ([email protected])
http://www.openwall.com/lists/oss-security/2011/10/26/1 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2011/10/26/3 Mailing List, Patch, Third Party Advisory ([email protected])
http://xorl.wordpress.com/2011/12/07/cve-2011-4077-linux-kernel-xfs-readlink-memory-corruption/ Exploit, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=749156 Issue Tracking, Patch, Third Party Advisory ([email protected])
http://marc.info/?l=bugtraq&m=139447903326211&w=2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://oss.sgi.com/archives/xfs/2011-10/msg00345.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/48964 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2011/10/26/1 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2011/10/26/3 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://xorl.wordpress.com/2011/12/07/cve-2011-4077-linux-kernel-xfs-readlink-memory-corruption/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=749156 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)