CVE-2011-1021

LOW

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.

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

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/526b4af47f44148c9d665e57723ed9f86634c6e3

Details

Source: MITRE

Published: 2012-06-21

Updated: 2012-06-22

Type: CWE-264

Risk Information

CVSS v2.0

Base Score: 3.6

Vector: (AV:L/AC:L/Au:N/C:N/I:P/A:P)

Impact Score: 4.9

Exploitability Score: 3.9

Severity: LOW