CVE-2017-6951

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Summary

CVECVE-2017-6951
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-03-16 18:59:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionThe keyring_search_aux function in security/keys/keyring.c in the Linux kernel through 3.14.79 allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a request_key system call for the "dead" type.

Risk And Classification

Primary CVSS: v3.0 5.5 MEDIUM from [email protected]

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-476 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary5.5MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Re: PROBLEM: null-ptr deref in keyring_search_aux may lead to denial of service — keyrings af854a3a-2127-422b-91ae-364da2661108 www.spinics.net Mailing List, Third Party Advisory
PROBLEM: null-ptr deref in keyring_search_aux may lead to denial of service — keyrings af854a3a-2127-422b-91ae-364da2661108 www.spinics.net Mailing List, Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
Re: PROBLEM: null-ptr deref in keyring_search_aux may lead to denial of service — keyrings af854a3a-2127-422b-91ae-364da2661108 www.spinics.net Mailing List, Third Party Advisory
Linux Kernel CVE-2017-6951 Local Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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