CVE-2011-2482

Publication date 8 June 2013

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
linux	11.04 natty	Not affected
	10.10 maverick	Not affected
	10.04 LTS lucid	Not affected
	8.04 LTS hardy	Not affected
linux-ec2	11.04 natty	Not in release
	10.10 maverick	Ignored end of life
	10.04 LTS lucid	Not affected
	8.04 LTS hardy	Not in release
linux-fsl-imx51	11.04 natty	Not in release
	10.10 maverick	Not in release
	10.04 LTS lucid	Not affected
	8.04 LTS hardy	Not in release
linux-lts-backport-maverick	11.04 natty	Not in release
	10.10 maverick	Not in release
	10.04 LTS lucid	Not affected
	8.04 LTS hardy	Not in release
linux-lts-backport-natty	11.04 natty	Not in release
	10.10 maverick	Not in release
	10.04 LTS lucid	Not affected
	8.04 LTS hardy	Not in release
linux-mvl-dove	11.04 natty	Not in release
	10.10 maverick	Not affected
	10.04 LTS lucid	Not affected
	8.04 LTS hardy	Not in release
linux-ti-omap4	11.04 natty	Not affected
	10.10 maverick	Not affected
	10.04 LTS lucid	Not in release
	8.04 LTS hardy	Not in release

Notes

apw

this bug was introduced by a flawed backport of commit ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d to the RHEL kernel, this was mainlined in v2.6.21 and therefore no existing release has this backported

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H