CVE-2011-4594

Name: CVE-2011-4594
Creator: NVD / NIST
Published: 2012-05-17T11:00:35.087+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.43%

Last modified Jun 16, 2026

CVE-2011-4594 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. The __sys_sendmsg function in net/socket.c in the Linux kernel before 3.1 allows local users to cause a denial of service (system crash) via crafted use of the sendmmsg system call, leading to an incorrect pointer dereference.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

The __sys_sendmsg function in net/socket.c in the Linux kernel before 3.1 allows local users to cause a denial of service (system crash) via crafted use of the sendmmsg system call, leading to an incorrect pointer dereference.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.43%

34.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 3.1

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bc909d9ddbf7778371e36a651d6e4194b1cc7d4c
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing List, Patch, Vendor Advisory
http://www.openwall.com/lists/oss-security/2011/12/08/4Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=761646Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/bc909d9ddbf7778371e36a651d6e4194b1cc7d4cPatch, Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bc909d9ddbf7778371e36a651d6e4194b1cc7d4c
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing List, Patch, Vendor Advisory
http://www.openwall.com/lists/oss-security/2011/12/08/4Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=761646Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/bc909d9ddbf7778371e36a651d6e4194b1cc7d4cPatch, Third Party Advisory

Timeline

Published: May 17, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-4594?

How severe is CVE-2011-4594?

CVE-2011-4594 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2011-4594?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4594?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST