UBUNTU-CVE-2011-1021

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2011-1021
Published: 21 Jun 2012, 23:55
Last modified:16 Jul 2025, 07:30

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

21 Jun 2012, 23:55
Published
Vulnerability first disclosed
16 Jul 2025, 07:30
Last Modified
Vulnerability information updated

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.

Affected Systems

  • ubuntu•linux

    < 3.11.0-12.19

  • ubuntu•linux-flo

    < 3.4.0-1.3

  • ubuntu•linux-goldfish

    < 3.4.0-1.7

  • ubuntu•linux-grouper

    < 3.1.10-8.28

  • ubuntu•linux-maguro

    < 3.0.0-3.18

  • ubuntu•linux-mako

    < 3.4.0-3.21

  • ubuntu•linux-manta

    < 3.4.0-4.19

References (4)