low
1.9
CWE
200
Advisory Published
CVE Published
Updated

CVE-2011-1078: Infoleak

First published: Tue Mar 01 2011(Updated: )

Description of problem: struct sco_conninfo has one padding byte in the end. Local variable cinfo of type sco_conninfo is copied to userspace with this uninizialized one byte, leading to old stack contents leak. Reference: <a href="http://seclists.org/oss-sec/2011/q1/309">http://seclists.org/oss-sec/2011/q1/309</a> <a href="https://lkml.org/lkml/2011/2/14/49">https://lkml.org/lkml/2011/2/14/49</a> Acknowledgements: Red Hat would like to thank Vasiliy Kulikov of Openwall for reporting this issue.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
debian/linux-2.6
Linux kernel=2.6.38-rc7
Linux kernel=2.6.38-rc6
Linux kernel=2.6.38-rc4
Linux kernel=2.6.38.3
Linux kernel<=2.6.38.8
Linux kernel=2.6.38-rc3
Linux kernel=2.6.38-rc5
Linux kernel=2.6.38-rc2
Linux kernel=2.6.38.6
Linux kernel=2.6.38.1
Linux kernel=2.6.38-rc1
Linux kernel=2.6.38.5
Linux kernel=2.6.38.2
Linux kernel=2.6.38
Linux kernel=2.6.38-rc8
Linux kernel=2.6.38.4
Linux kernel=2.6.38.7
Linux Kernel<=2.6.38.8
Linux Kernel=2.6.38
Linux Kernel=2.6.38-rc1
Linux Kernel=2.6.38-rc2
Linux Kernel=2.6.38-rc3
Linux Kernel=2.6.38-rc4
Linux Kernel=2.6.38-rc5
Linux Kernel=2.6.38-rc6
Linux Kernel=2.6.38-rc7
Linux Kernel=2.6.38-rc8
Linux Kernel=2.6.38.1
Linux Kernel=2.6.38.2
Linux Kernel=2.6.38.3
Linux Kernel=2.6.38.4
Linux Kernel=2.6.38.5
Linux Kernel=2.6.38.6
Linux Kernel=2.6.38.7

Remedy

https://github.com/torvalds/linux/commit/c4c896e1471aec3b004a693c689f60be3b17ac86

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-1078?

    CVE-2011-1078 is considered to be of medium severity due to the potential for a local stack contents leak.

  • How do I fix CVE-2011-1078?

    To fix CVE-2011-1078, you should upgrade to a version of the Linux kernel that is greater than 2.6.38.8 where the issue has been addressed.

  • What types of systems are affected by CVE-2011-1078?

    CVE-2011-1078 affects various versions of the Linux kernel, specifically those from 2.6.38 and below.

  • Is CVE-2011-1078 a remote or local vulnerability?

    CVE-2011-1078 is a local vulnerability, which means it can only be exploited by an authenticated user on the affected system.

  • What implications does CVE-2011-1078 pose for security?

    CVE-2011-1078 could allow an unprivileged user to gain information about the memory layout, which may lead to further exploitation.

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