CVE-2010-3875: Infoleak
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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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=649713
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc2
- http://openwall.com/lists/oss-security/2010/11/02/7
- http://marc.info/?l=linux-netdev&m=128854507120898&w=2
- http://openwall.com/lists/oss-security/2010/11/04/5
- http://www.debian.org/security/2010/dsa-2126
- http://www.securityfocus.com/bid/44630
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fe10ae53384e48c51996941b7720ee16995cbcb7
- http://marc.info/?l=linux-netdev&m=128854507120898&w=2
- https://launchpad.net/bugs/cve/CVE-2010-3875
- http://seclists.org/oss-sec/2010/q4/94
- http://www.redhat.com/security/updates/errata
- http://git.kernel.org/linus/fe10ae53384e48c51996941b7720ee16995cbcb7
- https://security-tracker.debian.org/tracker/CVE-2010-3875
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3875
- https://nvd.nist.gov/vuln/detail/CVE-2010-3875
- https://ubuntu.com/security/CVE-2010-3875
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