CVE-2017-6951

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.

References

Link	Tags
http://www.securityfocus.com/bid/96943	vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2017:2669	vendor advisory
http://www.spinics.net/lists/keyrings/msg01849.html	third party advisory mailing list
http://www.spinics.net/lists/keyrings/msg01845.html	third party advisory mailing list
https://access.redhat.com/errata/RHSA-2017:2077	vendor advisory
https://access.redhat.com/errata/RHSA-2017:1842	vendor advisory
http://www.spinics.net/lists/keyrings/msg01846.html	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2017-6951?: CVE-2017-6951 has been scored as a medium severity vulnerability.
How to fix CVE-2017-6951?: To fix CVE-2017-6951, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-6951 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2017-6951 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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Description

Category

CWE-476 – NULL Pointer Dereference

References

Frequently Asked Questions