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CVE-2011-3363

Published: 3 October 2011

The setup_cifs_sb function in fs/cifs/connect.c in the Linux kernel before 2.6.39 does not properly handle DFS referrals, which allows remote CIFS servers to cause a denial of service (system crash) by placing a referral at the root of a share.

From the Ubuntu security team

Yogesh Sharma discovered that CIFS did not correctly handle UNCs that had no prefixpaths. A local attacker with access to a CIFS partition could exploit this to crash the system, leading to a denial of service.

Priority

Medium

CVSS 3 base score: 6.5

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
hardy Not vulnerable

lucid
Released (2.6.32-33.64)
maverick
Released (2.6.35-30.61)
natty
Released (2.6.38-10.44)
oneiric Not vulnerable
(2.6.39-0.4)
upstream
Released (2.6.39)
linux-ec2
Launchpad, Ubuntu, Debian
hardy Does not exist

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

oneiric Does not exist

upstream
Released (2.6.39)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.31-611.29)
maverick Does not exist

natty Does not exist

oneiric Does not exist

upstream
Released (2.6.39)
linux-lts-backport-maverick
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.35-30.61~lucid1)
maverick Does not exist

natty Does not exist

oneiric Does not exist

upstream
Released (2.6.39)
linux-lts-backport-natty
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.38-10.44~lucid1)
maverick Does not exist

natty Does not exist

oneiric Does not exist

upstream
Released (2.6.39)
linux-lts-backport-oneiric
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable

maverick Does not exist

natty Does not exist

oneiric Does not exist

upstream
Released (2.6.39)
linux-mvl-dove
Launchpad, Ubuntu, Debian
hardy Does not exist

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

oneiric Does not exist

upstream
Released (2.6.39)
linux-ti-omap4
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

maverick
Released (2.6.35-903.26)
natty
Released (2.6.38-1209.17)
oneiric Not vulnerable
(2.6.38-1309.13)
upstream
Released (2.6.39)