CVE-2010-4655

Published: 25 January 2011

net/core/ethtool.c in the Linux kernel before 2.6.36 does not initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability for an ethtool ioctl call.

From the Ubuntu security team

Kees Cook discovered that some ethtool functions did not correctly clear heap memory. A local attacker with CAP_NET_ADMIN privileges could exploit this to read portions of kernel heap memory, leading to a loss of privacy.

Priority

Low

CVSS 3 base score: 5.5

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.38~rc3)
Patches:
Upstream: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=b00916b189d13a615ff05c9242201135992fcda3
Introduced by a77f5db361ed9953b5b749353ea2c7fed2bf8d93
Fixed by b7c7d01aaed1f71d9afe815a569f0a81465a1744
linux-ec2
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.38~rc3)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.38~rc3)
linux-lts-backport-maverick
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.38~rc3)
linux-lts-backport-natty
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.38~rc3)
linux-mvl-dove
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.38~rc3)
linux-source-2.6.15
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.38~rc3)
linux-ti-omap4
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.38~rc3)