CVE-2011-4594

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bc909d9ddbf7778371e36a651d6e4194b1cc7d4c
https://github.com/torvalds/linux/commit/bc909d9ddbf7778371e36a651d6e4194b1cc7d4c third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=761646 issue tracking third party advisory patch
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 mailing list patch vendor advisory
http://www.openwall.com/lists/oss-security/2011/12/08/4 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2011-4594?
CVE-2011-4594 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4594?
To fix CVE-2011-4594, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4594 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-4594 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.