What is CVE-2011-4077?

CVE-2011-4077 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.9 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2011-4077 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-4077?

CVE-2011-4077 has a CVSS score of 6.9 out of 10, rated Medium severity. The vector string is AV:L/AC:M/Au:N/C:C/I:C/A:C.

Is there a patch available for CVE-2011-4077?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2011-4077 patch availability.

Is CVE-2011-4077 actively exploited?

CVE-2011-4077 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2011-4077

Medium

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.

Package Linux Kernel

Published 2012-01-27

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

6.9

out of 10

Medium

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Vector string

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

Weakness type

CWE-119

CVE-2011-4077 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

7 total

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

Exploit Third Party Advisory
Oss
http://oss.sgi.com/archives/xfs/2011-10/msg00345.html

Patch Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2011/10/26/1

Mailing List Patch Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2011/10/26/3

Mailing List Patch Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=749156

Issue Tracking Patch Third Party Advisory

Showing 5 of 7 references View all on NVD

Details

CVE ID CVE-2011-4077

Severity Medium

CVSS score 6.9 / 10

CVSS version 2.0

Published 2012-01-27

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-4077?

CVE-2011-4077 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.9 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2011-4077 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-4077?

CVE-2011-4077 has a CVSS score of 6.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:C/I:C/A:C.
Is there a patch available for CVE-2011-4077?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2011-4077 patch availability.
Is CVE-2011-4077 actively exploited?

No. CVE-2011-4077 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.