CVE-2012-0038: Integer Overflow
First published: Wed Jan 11 2012(Updated: )
Commit ef14f0c1578dce4b688726eb2603e50b62d6665a introduced an integer overflow in the ACL handling code, which could further lead to heap-based buffer overflow via a crafted filesystem. Upstream commits: <a href="http://git.kernel.org/linus/fa8b18edd752a8b4e9d1ee2cd615b82c93cf8bba">http://git.kernel.org/linus/fa8b18edd752a8b4e9d1ee2cd615b82c93cf8bba</a> <a href="http://git.kernel.org/linus/093019cf1b18dd31b2c3b77acce4e000e2cbc9ce">http://git.kernel.org/linus/093019cf1b18dd31b2c3b77acce4e000e2cbc9ce</a> Both commits are needed to fix the vulnerability. The vulnerability seems to first appear in 2.6.32-rc1. 3.2 contains only the first commit. Acknowledgements: Red Hat would like to thank Wang Xi for reporting this issue.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <3.1.9 | |
| debian/linux-2.6 |
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Reference Links
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=093019cf1b18dd31b2c3b77acce4e000e2cbc9ce
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa8b18edd752a8b4e9d1ee2cd615b82c93cf8bba
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.9
- http://www.openwall.com/lists/oss-security/2012/01/10/11
- https://bugzilla.redhat.com/show_bug.cgi?id=773280
- https://github.com/torvalds/linux/commit/093019cf1b18dd31b2c3b77acce4e000e2cbc9ce
- https://github.com/torvalds/linux/commit/fa8b18edd752a8b4e9d1ee2cd615b82c93cf8bba
- https://launchpad.net/bugs/cve/CVE-2012-0038
- http://git.kernel.org/linus/fa8b18edd752a8b4e9d1ee2cd615b82c93cf8bba
- http://git.kernel.org/linus/093019cf1b18dd31b2c3b77acce4e000e2cbc9ce
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=782682
- https://rhn.redhat.com/errata/RHSA-2012-0333.html
- https://rhn.redhat.com/errata/RHSA-2012-0350.html
- https://rhn.redhat.com/errata/RHSA-2012-1042.html
- https://security-tracker.debian.org/tracker/CVE-2012-0038
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0038
- https://nvd.nist.gov/vuln/detail/CVE-2012-0038
- https://ubuntu.com/security/CVE-2012-0038
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