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CVE-2011-2022

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Date: May 9, 2011

The agp_generic_remove_memory function in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 does not validate a certain start parameter, which allows local users to gain privileges or cause a denial of service (system crash) via a crafted AGPIOC_UNBIND agp_ioctl ioctl call, a different vulnerability than CVE-2011-1745.

Language: C

Severity Score

Related Resources (12)

https://bugzilla.redhat.com/show_bug.cgi?id=698996
https://nvd.nist.gov/vuln/detail/CVE-2011-2022
https://lkml.org/lkml/2011/4/14/293
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-2022
http://openwall.com/lists/oss-security/2011/04/22/7
http://www.securityfocus.com/bid/47843
http://rhn.redhat.com/errata/RHSA-2011-0927.html
http://openwall.com/lists/oss-security/2011/04/21/4
https://access.redhat.com/security/cve/CVE-2011-2022
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.5
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=194b3da873fd334ef183806db751473512af29ce
https://www.mend.io/vulnerability-database/CVE-2011-2022

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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