PT-2012-1502 · Linux · Linux Kernel

Published 2012-06-21 · Updated 2023-02-13 · CVE-2011-1021

Positive Technologies (AI Summary)

CVSS v2.0

3.6

Low

Base vector

AV:L/AC:L/Au:N/C:N/I:P/A:P

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 3.0

Description The issue allows local users with root privileges to modify arbitrary kernel memory locations by writing to the /sys/kernel/debug/acpi/custom method file. This is due to an incomplete fix for a previous issue.

Recommendations For versions prior to 3.0, update to version 3.0 or later to resolve the issue.

Exploit

Fix

Weakness Enumeration

CWE-264

Related Identifiers

CVE-2011-1021

RHSA-2011:1253

Affected Products

Linux Kernel

References · 12

• 🔥 https://github.com/torvalds/linux/commit/526b4af47f44148c9d665e57723ed9f86634c6e3 · Exploit
• 🔥 https://exploit-db.com/exploits/15774 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2011-1021 · Vendor Advisory
• https://ubuntu.com/security/CVE-2011-1021 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2011-1021 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2011-1021 · Security Note
• https://lkml.org/lkml/2011/2/22/369 · Note
• http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0 · Note
• http://openwall.com/lists/oss-security/2011/02/25/5 · Note
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=526b4af47f44148c9d665e57723ed9f86634c6e3 · Note
• https://rhn.redhat.com/errata/RHSA-2011-1253.html · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=680841 · Note