Vulnerability Description
drivers/acpi/debugfs.c in the Linux kernel before 3.0 allows local users to modify arbitrary kernel memory locations by leveraging root privileges to write to the /sys/kernel/debug/acpi/custom_method file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4347.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 2.6.9 |
Related Weaknesses (CWE)
References
- http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://www.openwall.com/lists/oss-security/2011/02/25/5
- https://bugzilla.redhat.com/show_bug.cgi?id=680841
- https://github.com/torvalds/linux/commit/526b4af47f44148c9d665e57723ed9f86634c6eExploitPatch
- http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://www.openwall.com/lists/oss-security/2011/02/25/5
- https://bugzilla.redhat.com/show_bug.cgi?id=680841
- https://github.com/torvalds/linux/commit/526b4af47f44148c9d665e57723ed9f86634c6eExploitPatch
FAQ
What is CVE-2011-1021?
CVE-2011-1021 is a vulnerability with a CVSS score of 3.6 (LOW). drivers/acpi/debugfs.c in the Linux kernel before 3.0 allows local users to modify arbitrary kernel memory locations by leveraging root privileges to write to the /sys/kernel/debug/acpi/custom_method ...
How severe is CVE-2011-1021?
CVE-2011-1021 has been rated LOW with a CVSS base score of 3.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1021?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.