First published: Thu Nov 04 2010(Updated: )
Description of problem: Sometimes ax25_getname() doesn't initialize all members of fsa_digipeater field of fsa struct. This structure is then copied to userland. 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=128854507120898&w=2">http://marc.info/?l=linux-netdev&m=128854507120898&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.
Credit: secalert@redhat.com secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
Linux Linux kernel | =2.6.37-rc1 | |
Linux Linux kernel | <2.6.37 | |
Linux Linux kernel | =2.6.37 | |
Debian Debian Linux | =5.0 | |
debian/linux-2.6 |
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