CVE-2011-2491

Priority
Medium
Description
The Network Lock Manager (NLM) protocol implementation in the NFS client
functionality in the Linux kernel before 3.0 allows local users to cause a
denial of service (system hang) via a LOCK_UN flock system call.
Ubuntu-Description
Vasily Averin discovered that the NFS Lock Manager (NLM) incorrectly
handled unlock requests. A local attacker could exploit this to cause a
denial of service.
References
Bugs
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):DNE
Ubuntu 12.04 LTS (Precise Pangolin):not-affected (3.2.0-1600.1)
Ubuntu 12.10 (Quantal Quetzal):not-affected (3.2.0-1602.5)
Ubuntu 13.10 (Saucy Salamander):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):released (2.6.32-340.40)
Ubuntu 12.04 LTS (Precise Pangolin):DNE
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):not-affected
Ubuntu 12.04 LTS (Precise Pangolin):DNE
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):DNE
Ubuntu 12.04 LTS (Precise Pangolin):DNE
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):ignored
Ubuntu 14.04 LTS (Trusty Tahr):needs-triage
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):DNE
Ubuntu 12.04 LTS (Precise Pangolin):DNE
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):ignored
Ubuntu 14.04 LTS (Trusty Tahr):not-affected (3.4.0-1.7)
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):DNE
Ubuntu 12.04 LTS (Precise Pangolin):not-affected
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):released (2.6.38-13.52~lucid1)
Ubuntu 12.04 LTS (Precise Pangolin):DNE
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Package
Upstream:DNE
Ubuntu 10.04 LTS (Lucid Lynx):DNE
Ubuntu 12.04 LTS (Precise Pangolin):not-affected
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Patches:
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):DNE
Ubuntu 12.04 LTS (Precise Pangolin):DNE
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):DNE
Ubuntu 14.04 LTS (Trusty Tahr):not-affected (3.4.0-1.3)
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):pending (2.6.32-220.38)
Ubuntu 12.04 LTS (Precise Pangolin):DNE
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):released (2.6.35-31.62~lucid1)
Ubuntu 12.04 LTS (Precise Pangolin):DNE
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Package
Source: linux (LP Ubuntu Debian)
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):released (2.6.32-36.79)
Ubuntu 12.04 LTS (Precise Pangolin):not-affected (3.0-3.4)
Ubuntu 12.10 (Quantal Quetzal):not-affected (3.0-3.4)
Ubuntu 13.10 (Saucy Salamander):not-affected (3.0-3.4)
Ubuntu 14.04 LTS (Trusty Tahr):not-affected (3.0-3.4)
Patches:
Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2Fixed by 0b760113a3a155269a3fba93a409c640031dd68f
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):DNE
Ubuntu 12.04 LTS (Precise Pangolin):DNE
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):ignored
Ubuntu 14.04 LTS (Trusty Tahr):needs-triage
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):DNE
Ubuntu 12.04 LTS (Precise Pangolin):not-affected (3.0.0-1200.1)
Ubuntu 12.10 (Quantal Quetzal):not-affected (3.0.0-1200.1)
Ubuntu 13.10 (Saucy Salamander):not-affected (3.0.0-1200.1)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):DNE
Ubuntu 12.04 LTS (Precise Pangolin):DNE
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):ignored
Ubuntu 14.04 LTS (Trusty Tahr):not-affected (3.4.0-3.21)
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):released (2.6.31-612.30)
Ubuntu 12.04 LTS (Precise Pangolin):DNE
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):DNE
Ubuntu 12.04 LTS (Precise Pangolin):not-affected
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Package
Upstream:released (3.0~rc5)
Ubuntu 10.04 LTS (Lucid Lynx):DNE
Ubuntu 12.04 LTS (Precise Pangolin):DNE
Ubuntu 12.10 (Quantal Quetzal):DNE
Ubuntu 13.10 (Saucy Salamander):ignored
Ubuntu 14.04 LTS (Trusty Tahr):not-affected (3.4.0-4.19)
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Updated: 2014-04-18 13:15:18 UTC (commit 7949)