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CVE-2011-4112

Publication date 17 May 2012

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

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

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
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