CVE-2010-4347
First published: Sat Nov 13 2010(Updated: )
Reported by Dave Jones, currently we have: --w--w--w-. 1 root root 0 2010-11-11 14:56 /sys/kernel/debug/acpi/custom_method which is just crazy. Change this to --w-------. This custom_method file allows to inject custom ACPI methods into the ACPI interpreter tables. This control file was introduced with world writeable permissions in Linux Kernel 2.6.33. Introduced in: <a href="http://git.kernel.org/linus/a1a541d86f50a9957beeedb122a035870d602647">http://git.kernel.org/linus/a1a541d86f50a9957beeedb122a035870d602647</a> <a href="http://git.kernel.org/linus/a25ee9200eef07377e1703697afbb5d81f89e500">http://git.kernel.org/linus/a25ee9200eef07377e1703697afbb5d81f89e500</a> Fixed in: <a href="http://git.kernel.org/linus/ed3aada1bf34c5a9e98af167f125f8a740fc726a">http://git.kernel.org/linus/ed3aada1bf34c5a9e98af167f125f8a740fc726a</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:2.6.33.7-rt29.55.el5 | 0:2.6.33.7-rt29.55.el5 |
| Linux Linux kernel | <2.6.36.2 | |
| openSUSE openSUSE | =11.3 | |
| Suse Linux Enterprise Real Time Extension | =11-sp1 |
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Reference Links
- http://www.securityfocus.com/bid/45408
- http://www.exploit-db.com/exploits/15774/
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
- http://openwall.com/lists/oss-security/2010/12/15/7
- http://openwall.com/lists/oss-security/2010/12/15/3
- https://bugzilla.redhat.com/show_bug.cgi?id=663542
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
- http://secunia.com/advisories/42778
- http://www.vupen.com/english/advisories/2011/0012
- http://www.vupen.com/english/advisories/2011/0298
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64155
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ed3aada1bf34c5a9e98af167f125f8a740fc726a
- http://git.kernel.org/linus/a1a541d86f50a9957beeedb122a035870d602647
- http://git.kernel.org/linus/a25ee9200eef07377e1703697afbb5d81f89e500
- http://git.kernel.org/linus/ed3aada1bf34c5a9e98af167f125f8a740fc726a
- https://rhn.redhat.com/errata/RHSA-2011-0330.html
- https://www.cve.org/CVERecord?id=CVE-2010-4347 https://nvd.nist.gov/vuln/detail/CVE-2010-4347
- https://access.redhat.com/errata/RHSA-2011:0330
- https://access.redhat.com/security/cve/CVE-2010-4347
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