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CVE-2011-1090

Published: 9 May 2011

The __nfs4_proc_set_acl function in fs/nfs/nfs4proc.c in the Linux kernel before 2.6.38 stores NFSv4 ACL data in memory that is allocated by kmalloc but not properly freed, which allows local users to cause a denial of service (panic) via a crafted attempt to set an ACL.

From the Ubuntu security team

Neil Horman discovered that NFSv4 did not correctly handle certain orders of operation with ACL data. A remote attacker with access to an NFSv4 mount could exploit this to crash the system, leading to a denial of service.

Priority

Low

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy
Released (2.6.24-29.92)
lucid
Released (2.6.32-33.64)
maverick
Released (2.6.35-30.55)
natty
Released (2.6.38-6.33)
upstream
Released (2.6.38~rc8)
linux-ec2
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

lucid
Released (2.6.32-317.32)
maverick Ignored
(binary supplied by "linux" now)
natty Does not exist

upstream
Released (2.6.38~rc8)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

lucid
Released (2.6.31-610.27)
maverick Does not exist

natty Does not exist

upstream
Released (2.6.38~rc8)
linux-lts-backport-maverick
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

lucid
Released (2.6.35-30.55~lucid1)
maverick Does not exist

natty Does not exist

upstream
Released (2.6.38~rc8)
linux-lts-backport-natty
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable
(2.6.38-7.35~lucid1)
maverick Does not exist

natty Does not exist

upstream
Released (2.6.38~rc8)
linux-mvl-dove
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

lucid
Released (2.6.32-217.34)
maverick
Released (2.6.32-417.34)
natty Does not exist

upstream
Released (2.6.38~rc8)
linux-source-2.6.15
Launchpad, Ubuntu, Debian
dapper Ignored
(reached end-of-life)
hardy Does not exist

lucid Does not exist

maverick Does not exist

natty Does not exist

upstream
Released (2.6.38~rc8)
linux-ti-omap4
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

lucid Does not exist

maverick
Released (2.6.35-903.23)
natty
Released (2.6.38-1205.6)
upstream
Released (2.6.38~rc8)