CVE-2010-3448

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-01-03 · updated 2026-06-16
Weakness: CWE-264

Description

drivers/platform/x86/thinkpad_acpi.c in the Linux kernel before 2.6.34 on ThinkPad devices, when the X.Org X server is used, does not properly restrict access to the video output control state, which allows local users to cause a denial of service (system hang) via a (1) read or (2) write operation.

Affected products

Linux kernel: before 2.6.34 — fixed in 2.6.34

How to fix

Upgrade to a fixed version: Linux kernel 2.6.34. Check the vendor advisory for mitigations.

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=565790
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b525c06cdbd8a3963f0173ccd23f9147d4c384b5
http://openwall.com/lists/oss-security/2010/06/23/2
http://openwall.com/lists/oss-security/2010/09/28/1
http://openwall.com/lists/oss-security/2010/09/29/7
http://openwall.com/lists/oss-security/2010/09/30/1
http://openwall.com/lists/oss-security/2010/09/30/6
http://www.debian.org/security/2010/dsa-2126
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
https://bugzilla.redhat.com/show_bug.cgi?id=652122
https://exchange.xforce.ibmcloud.com/vulnerabilities/64580
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=565790

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