CVE-2010-3861: Infoleak
First published: Tue Oct 26 2010(Updated: )
Description of problem: Calling ETHTOOL_GRXCLSRLALL with a large rule_cnt will allocate kernel heap without clearing it. For the one driver (niu) that implements it, it will leave the unused portion of heap unchanged and copy the full contents back to userspace. This is different from <a href="https://access.redhat.com/security/cve/CVE-2010-2478">CVE-2010-2478</a>, but was introduced at the same time (0853ad66, 2.6.27-rc1). Upstream commit: <a href="http://git.kernel.org/linus/ae6df5f96a51818d6376da5307d773baeece4014">http://git.kernel.org/linus/ae6df5f96a51818d6376da5307d773baeece4014</a> Acknowledgements: Red Hat would like to thank Kees Cook for reporting this issue.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux-2.6 | ||
| Linux Linux kernel | <2.6.36 | |
| openSUSE openSUSE | =11.2 | |
| openSUSE openSUSE | =11.3 | |
| SUSE Linux Enterprise Desktop | =11-sp1 | |
| Suse Linux Enterprise Real Time Extension | =11-sp1 | |
| SUSE Linux Enterprise Server | =11-sp1 | |
| Canonical Ubuntu Linux | =9.10 | |
| Canonical Ubuntu Linux | =10.04 | |
| Canonical Ubuntu Linux | =10.10 |
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Reference Links
- http://secunia.com/advisories/42758
- http://secunia.com/advisories/42778
- http://secunia.com/advisories/42801
- http://secunia.com/advisories/42890
- http://secunia.com/advisories/42932
- http://www.securityfocus.com/bid/44427
- http://www.vupen.com/english/advisories/2011/0012
- http://www.vupen.com/english/advisories/2011/0070
- http://www.vupen.com/english/advisories/2011/0124
- http://www.vupen.com/english/advisories/2011/0298
- https://bugzilla.redhat.com/show_bug.cgi?id=646725
- http://www.redhat.com/support/errata/RHSA-2010-0958.html
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://www.ubuntu.com/usn/USN-1041-1
- http://openwall.com/lists/oss-security/2010/10/25/4
- http://openwall.com/lists/oss-security/2010/10/26/1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ae6df5f96a51818d6376da5307d773baeece4014
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36
- https://launchpad.net/bugs/cve/CVE-2010-3861
- https://access.redhat.com/security/cve/CVE-2010-2478
- http://git.kernel.org/linus/ae6df5f96a51818d6376da5307d773baeece4014
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=608950#c2
- https://rhn.redhat.com/errata/RHSA-2010-0958.html
- https://rhn.redhat.com/errata/RHSA-2011-0007.html
- https://security-tracker.debian.org/tracker/CVE-2010-3861
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3861
- https://nvd.nist.gov/vuln/detail/CVE-2010-3861
- https://ubuntu.com/security/CVE-2010-3861
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