VulnerabilityModified
CVE-2017-6951
The 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.
MEDIUM 5.5EPSS 0.39%
Does this matter?
Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.
Description
The 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.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.39% probability · 32th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/96943Third Party Advisory, VDB Entry
- http://www.spinics.net/lists/keyrings/msg01845.htmlMailing List, Third Party Advisory
- http://www.spinics.net/lists/keyrings/msg01846.htmlMailing List, Third Party Advisory
- http://www.spinics.net/lists/keyrings/msg01849.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:2669
- http://www.securityfocus.com/bid/96943Third Party Advisory, VDB Entry
- http://www.spinics.net/lists/keyrings/msg01845.htmlMailing List, Third Party Advisory
- http://www.spinics.net/lists/keyrings/msg01846.htmlMailing List, Third Party Advisory
- http://www.spinics.net/lists/keyrings/msg01849.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:2669
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.