Vulnerability Description
The ACPI subsystem in the Linux kernel before 2.6.36.2 uses 0222 permissions for the debugfs custom_method file, which allows local users to gain privileges by placing a custom ACPI method in the ACPI interpreter tables, related to the acpi_debugfs_init function in drivers/acpi/debugfs.c.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.36.2 |
| Opensuse | Opensuse | 11.3 |
| Suse | Linux Enterprise Real Time Extension | 11 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlThird Party Advisory
- http://openwall.com/lists/oss-security/2010/12/15/3Mailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2010/12/15/7Mailing ListPatchThird Party Advisory
- http://secunia.com/advisories/42778Third Party Advisory
- http://www.exploit-db.com/exploits/15774/ExploitThird Party AdvisoryVDB Entry
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2Broken Link
- http://www.securityfocus.com/bid/45408ExploitThird Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2011/0012Third Party Advisory
- http://www.vupen.com/english/advisories/2011/0298Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=663542Issue TrackingPatchThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64155Third Party AdvisoryVDB Entry
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.htmlThird Party Advisory
FAQ
What is CVE-2010-4347?
CVE-2010-4347 is a vulnerability with a CVSS score of 6.9 (MEDIUM). The ACPI subsystem in the Linux kernel before 2.6.36.2 uses 0222 permissions for the debugfs custom_method file, which allows local users to gain privileges by placing a custom ACPI method in the ACPI...
How severe is CVE-2010-4347?
CVE-2010-4347 has been rated MEDIUM with a CVSS base score of 6.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2010-4347?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Opensuse Opensuse, Suse Linux Enterprise Real Time Extension.