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CVE-2011-2393

Publication date 2 February 2012

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and possibly other BSD-based operating systems allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, a similar vulnerability to CVE-2010-4670.

Read the notes from the security team

Status

Package Ubuntu Release Status
linux 14.04 LTS trusty
Not affected
13.10 saucy Ignored end of life, was needs-triage
13.04 raring Ignored end of life, was needs-triage
12.10 quantal Ignored end of life, was needs-triage
12.04 LTS precise
Not affected
11.10 oneiric Ignored end of life
11.04 natty Ignored end of life
10.10 maverick Ignored end of life
10.04 LTS lucid
Not affected
8.04 LTS hardy Ignored end of life
linux-armadaxp 14.04 LTS trusty Not in release
13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal
Not affected
12.04 LTS precise
Not affected
11.10 oneiric Not in release
11.04 natty Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release
linux-ec2 14.04 LTS trusty Not in release
13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
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-flo 14.04 LTS trusty Ignored end of life, was needs-triage
13.10 saucy Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-fsl-imx51 14.04 LTS trusty Not in release
13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid Ignored end of life
8.04 LTS hardy Not in release
linux-goldfish 14.04 LTS trusty Ignored end of life, was needs-triage
13.10 saucy Ignored
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-grouper 14.04 LTS trusty Not in release
13.10 saucy Ignored
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-lts-backport-maverick 14.04 LTS trusty Not in release
13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid Ignored end of life
8.04 LTS hardy Not in release
linux-lts-backport-natty 14.04 LTS trusty Not in release
13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid Ignored end of life
8.04 LTS hardy Not in release
linux-lts-backport-oneiric 14.04 LTS trusty Not in release
13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid Ignored end of life
8.04 LTS hardy Not in release
linux-lts-quantal 14.04 LTS trusty Not in release
13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise
Not affected
11.10 oneiric Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release
linux-lts-raring 14.04 LTS trusty Not in release
13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Ignored end of life, was needs-triage
11.10 oneiric Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release
linux-lts-saucy 14.04 LTS trusty Not in release
13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise
Not affected
10.04 LTS lucid Not in release
linux-lts-trusty 14.04 LTS trusty Not in release
13.10 saucy Not in release
12.04 LTS precise
Not affected
10.04 LTS lucid Not in release
linux-maguro 14.04 LTS trusty Not in release
13.10 saucy Ignored
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-mako 14.04 LTS trusty Ignored end of life, was needs-triage
13.10 saucy Ignored
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-manta 14.04 LTS trusty Ignored end of life, was needs-triage
13.10 saucy Ignored
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-mvl-dove 14.04 LTS trusty Not in release
13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Ignored end of life
10.04 LTS lucid Ignored end of life
8.04 LTS hardy Not in release
linux-ti-omap4 14.04 LTS trusty Not in release
13.10 saucy Ignored end of life
13.04 raring Ignored end of life
12.10 quantal Ignored end of life
12.04 LTS precise
Not affected
11.10 oneiric Ignored end of life
11.04 natty Ignored end of life
10.10 maverick Ignored end of life
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release

Notes

tyhicks

"Old Linux kernels are also affected, detailed version information unknown."

apw

"Linux: fixed prior 2010" algorithm appears unchanged all the way back to hardy, with the holding of a single address from RA at any one time, very likely we are unaffected but this needs testing

jdstrand

linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support

apw

we have always had an upper limit of addresses for each interface via RA so we cannot crash at least, we only accept these from link-local so we can only be DOSd by someone on the local link, who can kill us by killing the same link. For this CVE we seemed to be fixed by the first git commit so use that as 'fix'.

Patch details

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

Package Patch details
linux