CVE-2011-4110

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Summary

CVECVE-2011-4110
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-01-27 15:55:04 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and "updating a negative key into a fully instantiated key."

Risk And Classification

Primary CVSS: v2.0 2.1 from [email protected]

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

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel 2.6 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Linux Kernel CVE-2011-4110 NULL Pointer Dereference Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
oss-security - Re: CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key type af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
oss-security - CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key type af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
oss-security - Re: CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key type af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
'[security bulletin] HPSBGN02970 rev.1 - HP Rapid Deployment Pack (RDP) or HP Insight Control Server ' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
LKML: David Howells: [PATCH] KEYS: Fix a NULL pointer deref in the user-defined key type af854a3a-2127-422b-91ae-364da2661108 lkml.org Exploit
Bug 751297 – CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key type af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Patch
USN-1344-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Security Alerts - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
USN-1328-1: Linux kernel (Marvell DOVE) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
USN-1324-1: Linux kernel (EC2) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
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