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CVE-2010-3296

Published: 30 September 2010

The cxgb_extension_ioctl function in drivers/net/cxgb3/cxgb3_main.c in the Linux kernel before 2.6.36-rc5 does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a CHELSIO_GET_QSET_NUM ioctl call.

From the Ubuntu security team

Dan Rosenberg discovered that several network ioctls did not clear kernel memory correctly. A local user could exploit this to read kernel stack memory, leading to a loss of privacy.

Priority

Low

Status

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

hardy
Released (2.6.24-28.82)
jaunty Ignored
(reached end-of-life)
karmic
Released (2.6.31-22.70)
lucid
Released (2.6.32-26.46)
maverick
Released (2.6.35-23.36)
natty Not vulnerable
(2.6.37-2.9)
upstream
Released (2.6.36~rc5)
Patches:
upstream: http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commit;h=49c37c0334a9b85d30ab3d6b5d1acb05ef2ef6de
hardy: http://chinstrap.ubuntu.com/~ogasawara/CVEs/CVE-2010-3296/patches/hardy/linux/0001-drivers-net-cxgb3-cxgb3_main.c-prevent-reading-uniniti.txt
karmic: http://chinstrap.ubuntu.com/~ogasawara/CVEs/CVE-2010-3296/patches/karmic/linux/0001-drivers-net-cxgb3-cxgb3_main.c-prevent-reading-uniniti.txt
lucid: http://chinstrap.ubuntu.com/~ogasawara/CVEs/CVE-2010-3296/patches/lucid/linux/0001-drivers-net-cxgb3-cxgb3_main.c-prevent-reading-uniniti.txt
maverick: http://chinstrap.ubuntu.com/~ogasawara/CVEs/CVE-2010-3296/patches/maverick/linux/0001-drivers-net-cxgb3-cxgb3_main.c-prevent-reading-uniniti.txt
linux-ec2
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

jaunty Does not exist

karmic
Released (2.6.31-307.23)
lucid
Released (2.6.32-310.19)
maverick Ignored
(binary supplied by "linux" now)
natty Does not exist

upstream
Released (2.6.36~rc5)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

karmic
Released (2.6.31-112.30)
lucid
Released (2.6.31-608.21)
maverick Does not exist

natty Does not exist

upstream
Released (2.6.36~rc5)
linux-lts-backport-maverick
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

jaunty Does not exist

karmic Does not exist

lucid
Released (2.6.35-23.40~lucid1)
maverick Does not exist

natty Does not exist

upstream
Released (2.6.36~rc5)
linux-lts-backport-natty
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable
(2.6.38-1.27~lucid1)
maverick Does not exist

natty Does not exist

upstream
Released (2.6.36~rc5)
linux-mvl-dove
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

karmic Ignored
(abandonded branch)
lucid
Released (2.6.32-213.29)
maverick
Released (2.6.32-414.30)
natty Does not exist

upstream
Released (2.6.36~rc5)
linux-source-2.6.15
Launchpad, Ubuntu, Debian
dapper Not vulnerable

hardy Does not exist

jaunty Does not exist

karmic Does not exist

lucid Does not exist

maverick Does not exist

natty Does not exist

upstream
Released (2.6.36~rc5)
linux-ti-omap4
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

karmic Does not exist

lucid Does not exist

maverick
Released (2.6.35-903.23)
natty Not vulnerable
(2.6.38-1201.2)
upstream
Released (2.6.36~rc5)