CVE-2011-4112

Description

The net subsystem in the Linux kernel before 3.1 does not properly restrict use of the IFF_TX_SKB_SHARING flag, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability to access /proc/net/pktgen/pgctrl, and then using the pktgen package in conjunction with a bridge device for a VLAN interface.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
linux	11.10 oneiric	Ignored
	11.04 natty	Ignored
	10.10 maverick	Ignored
	10.04 LTS lucid	Ignored
	8.04 LTS hardy	Ignored
linux-ec2	11.10 oneiric	Not in release
	11.04 natty	Not in release
	10.10 maverick	Ignored end of life
	10.04 LTS lucid	Ignored
	8.04 LTS hardy	Not in release
linux-fsl-imx51	11.10 oneiric	Not in release
	11.04 natty	Not in release
	10.10 maverick	Not in release
	10.04 LTS lucid	Ignored
	8.04 LTS hardy	Not in release
linux-lts-backport-maverick	11.10 oneiric	Not in release
	11.04 natty	Not in release
	10.10 maverick	Not in release
	10.04 LTS lucid	Ignored
	8.04 LTS hardy	Not in release
linux-lts-backport-natty	11.10 oneiric	Not in release
	11.04 natty	Not in release
	10.10 maverick	Not in release
	10.04 LTS lucid	Ignored
	8.04 LTS hardy	Not in release
linux-lts-backport-oneiric	11.10 oneiric	Not in release
	11.04 natty	Not in release
	10.10 maverick	Not in release
	10.04 LTS lucid	Ignored
	8.04 LTS hardy	Not in release
linux-mvl-dove	11.10 oneiric	Not in release
	11.04 natty	Not in release
	10.10 maverick	Ignored
	10.04 LTS lucid	Ignored
	8.04 LTS hardy	Not in release
linux-ti-omap4	11.10 oneiric	Ignored
	11.04 natty	Ignored
	10.10 maverick	Ignored
	10.04 LTS lucid	Not in release
	8.04 LTS hardy	Not in release

Notes

tyhicks

Red Hat has requested that this CVE be rejected

apw

Pull out the upstream changes and drop us back to needs-triage until we confirm this is a CVE: upstream: http://git.kernel.org/linus/550fd08c2cebad61c548def135f67aba284c6162 upstream: http://git.kernel.org/linus/d8873315065f1f527c7c380402cf59b1e1d0ae36

mdeslaur

not a security issue, marking as ignored

Severity score breakdown

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

Cvss 3 Severity Score