NULL Pointer Dereference Affecting kernel-doc package, versions <0:3.10.0-693.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ORACLE7-KERNELDOC-2514914
- published10 Apr 2022
- disclosed16 Mar 2017
Introduced: 16 Mar 2017
CVE-2017-6951 (opens in a new tab)How to fix?
Upgrade Oracle:7 kernel-doc to version 0:3.10.0-693.el7 or higher.
This issue was patched in ELSA-2017-1842.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-doc package and not the kernel-doc package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
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
- https://linux.oracle.com/cve/CVE-2017-6951.html
- https://linux.oracle.com/errata/ELSA-2017-1842.html
- https://linux.oracle.com/errata/ELSA-2017-1842-1.html
- https://linux.oracle.com/errata/ELSA-2018-4041.html
- http://www.securityfocus.com/bid/96943
- http://www.spinics.net/lists/keyrings/msg01845.html
- http://www.spinics.net/lists/keyrings/msg01846.html
- http://www.spinics.net/lists/keyrings/msg01849.html
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:2669