low
2.1
CWE
200
Advisory Published
Updated

CVE-2010-4158: Infoleak

First published: Wed 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. <a href="http://www.spinics.net/lists/netdev/msg146361.html">http://www.spinics.net/lists/netdev/msg146361.html</a> <a href="http://lists.grok.org.uk/pipermail/full-disclosure/2010-November/077321.html">http://lists.grok.org.uk/pipermail/full-disclosure/2010-November/077321.html</a> Acknowledgements: Red Hat would like to thank Dan Rosenberg for reporting this issue.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
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 Kernel<2.6.36.2
Fedora=13
openSUSE=11.2
openSUSE=11.3
SUSE Linux Enterprise Desktop with Beagle=10-sp3
SUSE Linux Enterprise Desktop with Beagle=11-sp1
SUSE Linux Enterprise Real Time Extension=11-sp1
SUSE Linux Enterprise Server=9
SUSE Linux Enterprise Server=10-sp3
SUSE Linux Enterprise Server=11-sp1
SUSE Linux Enterprise Software Development Kit=10-sp3

Remedy

http://www.spinics.net/lists/netdev/msg146361.html

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=651698

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2010-4158?

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

  • 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.

  • Who is affected by CVE-2010-4158?

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

  • 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.

  • Can CVE-2010-4158 be exploited remotely?

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

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