CVE-2011-2482

Name: CVE-2011-2482
Creator: NVD / NIST
Published: 2013-06-08T13:05:55.08+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.77%

Last modified Jun 16, 2026

CVE-2011-2482 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A certain Red Hat patch to the sctp_sock_migrate function in net/sctp/socket.c in the Linux kernel before 2.6.21, as used in Red Hat Enterprise Linux (RHEL) 5, allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) via a crafted SCTP packet.. EPSS estimates a 3.77% chance of exploitation in the next 30 days.

Description

A certain Red Hat patch to the sctp_sock_migrate function in net/sctp/socket.c in the Linux kernel before 2.6.21, as used in Red Hat Enterprise Linux (RHEL) 5, allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) via a crafted SCTP packet.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

3.77%

88.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 2.6.21

References

http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d
http://rhn.redhat.com/errata/RHSA-2011-1212.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/30/1Mailing List, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=714867Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/ea2bc483ff5caada7c4aa0d5fbf87d3a6590273dPatch, Third Party Advisory
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d
http://rhn.redhat.com/errata/RHSA-2011-1212.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/30/1Mailing List, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=714867Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/ea2bc483ff5caada7c4aa0d5fbf87d3a6590273dPatch, Third Party Advisory

Timeline

Published: Jun 8, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-2482?

How severe is CVE-2011-2482?

CVE-2011-2482 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.77% probability of exploitation in the next 30 days.

How do I fix CVE-2011-2482?

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-2011-2482?

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

Scan your code now

Source: NVD / NIST