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?

No patch is currently available for CVE-2011-4077. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

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

The following references provide additional information about CVE-2011-4077 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

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

Mailing List Third Party Advisory
Secunia
http://secunia.com/advisories/48964

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

Exploit Third Party Advisory
Kernel patch commit
http://oss.sgi.com/archives/xfs/2011-10/msg00345.html
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2011/10/26/1
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2011/10/26/3
Patch

4 patch commits total 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?

No patch is currently available for CVE-2011-4077. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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.
What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →