What is the severity of REDHAT-BUG-649717?

The severity of REDHAT-BUG-649717 is considered high due to potential leakage of kernel stack memory.

How do I fix REDHAT-BUG-649717?

To fix REDHAT-BUG-649717, ensure that the padding bytes in the sockaddr_tipc structure are initialized to zero before copying to userland.

Which versions of Red Hat Linux are affected by REDHAT-BUG-649717?

All versions of Red Hat Linux that include the vulnerable implementation of the sockaddr_tipc structure are affected by REDHAT-BUG-649717.

What type of vulnerability is REDHAT-BUG-649717?

REDHAT-BUG-649717 is a memory leakage vulnerability caused by uninitialized padding bytes in a data structure.

Is there a workaround for REDHAT-BUG-649717?

A proper workaround for REDHAT-BUG-649717 involves updating the kernel to a version that includes the fix for the uninitialized padding issue.

Vulnerability/
REDHAT-BUG-649717

low

4/11/2010

11/5/2023

REDHAT-BUG-649717

First published: Thu Nov 04 2010(Updated: )

Description of problem: Structure sockaddr_tipc is copied to userland with padding bytes after "id" field in union field "name" unitialized. It leads to leaking of contents of kernel stack memory. We have to initialize them to zero. Reference: <a href="http://marc.info/?l=linux-netdev&m=128854507420917&w=2">http://marc.info/?l=linux-netdev&m=128854507420917&w=2</a> <a href="http://seclists.org/oss-sec/2010/q4/94">http://seclists.org/oss-sec/2010/q4/94</a> Acknowledgements: Red Hat would like to thank Vasiliy Kulikov of Openwall for reporting this issue.

Affected Software	Affected Version	How to fix
Red Hat Linux

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Frequently Asked Questions

What is the severity of REDHAT-BUG-649717?
The severity of REDHAT-BUG-649717 is considered high due to potential leakage of kernel stack memory.
How do I fix REDHAT-BUG-649717?
To fix REDHAT-BUG-649717, ensure that the padding bytes in the sockaddr_tipc structure are initialized to zero before copying to userland.
Which versions of Red Hat Linux are affected by REDHAT-BUG-649717?
All versions of Red Hat Linux that include the vulnerable implementation of the sockaddr_tipc structure are affected by REDHAT-BUG-649717.
What type of vulnerability is REDHAT-BUG-649717?
REDHAT-BUG-649717 is a memory leakage vulnerability caused by uninitialized padding bytes in a data structure.
Is there a workaround for REDHAT-BUG-649717?
A proper workaround for REDHAT-BUG-649717 involves updating the kernel to a version that includes the fix for the uninitialized padding issue.

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source/Red Hat
alias/CVE-2010-3877
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agent/source
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agent/description
agent/event
agent/softwarecombine
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agent/software-canonical-lookup-request
vendor/red hat
canonical/red hat linux

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