CVE-2010-4158: Infoleak

Published Nov 10, 2010
·
Updated

Description of problem: The "mem" array used as scratch space for socket filters is not initialized, allowing unprivileged users to leak kernel stack bytes.

http://www.spinics.net/lists/netdev/msg146361.html http://lists.grok.org.uk/pipermail/full-disclosure/2010-November/077321.html

Acknowledgements:

Red Hat would like to thank Dan Rosenberg for reporting this issue.

Other sources

The skrunfilter function in net/core/filter.c in the Linux kernel be ...

Debian

Affected Software

16 affected componentsFixes available
redhat/kernel-rt<0:2.6.33.7-rt29.47.el5
0:2.6.33.7-rt29.47.el5
redhat/kernel<0:2.6.18-238.el5
0:2.6.18-238.el5
redhat/kernel<0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
debian/linux-2.6
debian/user-mode-linux
Linux Linux kernel<2.6.36.2
Fedoraproject Fedora=13
SUSE Linux Enterprise Server=10-sp3
SUSE Linux Enterprise Desktop=11-sp1
SUSE Linux Enterprise Server=11-sp1
SUSE Linux Enterprise Server=9
openSUSE openSUSE=11.2
openSUSE openSUSE=11.3
SUSE Linux Enterprise Desktop=10-sp3
SUSE Linux Enterprise Software Development Kit=10-sp3
SUSE Linux Enterprise Real Time Extension=11-sp1

Event History

Nov 10, 2010
CVE Published
12:00 AM
Data Sourced
via Red Hat·06:36 AM
DescriptionSeverityAffected Software
Dec 30, 2010
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
Jan 11, 2024
Data Sourced
via Launchpad·09:54 PM
Description
Sep 15, 2024
Data Sourced
via Ubuntu·10:42 PM
RemedyDescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2010-4158?

CVE-2010-4158 has been classified as a medium severity vulnerability.

2

How do I fix CVE-2010-4158?

To fix CVE-2010-4158, you need to update to the recommended kernel versions provided in the vendor's advisory.

3

Who is affected by CVE-2010-4158?

CVE-2010-4158 affects certain versions of the Linux kernel across various distributions.

4

What type of vulnerability is CVE-2010-4158?

CVE-2010-4158 is a memory leak vulnerability that allows unprivileged users to read kernel stack memory.

5

Can CVE-2010-4158 be exploited remotely?

CVE-2010-4158 does not appear to facilitate remote exploitation, but it allows local privilege escalation.

Contact

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