CVE-2011-1021

Severity

36%

Complexity

39%

Confidentiality

81%

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.

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 2.0 Base Score 3.6. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:P/A:P).

Overview

First reported 12 years ago

2012-06-21 23:55:00

Last updated 12 years ago

2012-06-22 04:00:00

Affected Software

Linux Kernel

Linux Kernel 2.6.9 Release Candidate 1

2.6.9

Linux Kernel 2.6.9 Release Candidate 2

2.6.9

Linux Kernel 2.6.9 Release Candidate 3

2.6.9

Linux Kernel 2.6.9 Release Candidate 4

2.6.9

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;a=commit;h=526b4af47f44148c9d665e57723ed9f86634c6e3

[oss-security] 20110225 Re: CVE request: kernel: /sys/kernel/debug/acpi/custom_method can bypass module restrictions

https://bugzilla.redhat.com/show_bug.cgi?id=680841

https://github.com/torvalds/linux/commit/526b4af47f44148c9d665e57723ed9f86634c6e3

Exploit, Patch

Stay updated

ExploitPedia is constantly evolving. Sign up to receive a notification when we release additional functionality.

Get in touch

If you'd like to report a bug or have any suggestions for improvements then please do get in touch with us using this form. We will get back to you as soon as we can.