CVE-2011-1021

high

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

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

http://www.openwall.com/lists/oss-security/2011/02/25/5

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=526b4af47f44148c9d665e57723ed9f86634c6e3

http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0

Details

Source: Mitre, NVD

Published: 2012-06-21

Updated: 2023-02-13

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:P

Severity: Low

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High