CVE-2011-2898

Publication date 24 May 2012

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

net/packet/af_packet.c in the Linux kernel before 2.6.39.3 does not properly restrict user-space access to certain packet data structures associated with VLAN Tag Control Information, which allows local users to obtain potentially sensitive information via a crafted application.

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

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
linux	Introduced by 393e52e, fixed by 13fcb7b

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N