National Vulnerability Database (NVD) National Vulnerability Database (CVE-2011-1021)

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NVD contains:

CVE Vulnerabilities: 56740
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CPE Names: 73736

Last updated: Wed Jun 19 12:43:46 EDT 2013

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Vulnerability Summary for CVE-2011-1021

Original release date:06/21/2012

Last revised:06/22/2012

Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:3.6 (LOW) (AV:L/AC:L/Au:N/C:N/I:P/A:P) (legend)

Impact Subscore: 4.9

Exploitability Subscore: 3.9

CVSS Version 2 Metrics:

Access Vector: Locally exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Allows unauthorized modification; Allows disruption of service

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External Source: CONFIRM

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

Type: Patch Information; Exploit

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

External Source: CONFIRM

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

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

External Source: MLIST

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

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

External Source: CONFIRM

Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=526b4af47f44148c9d665e57723ed9f86634c6e3