NULL Pointer Dereference Affecting kernel-uek package, versions <0:4.14.35-1844.1.3.el7uek
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-ORACLE7-KERNELUEK-2531713
- published10 Apr 2022
- disclosed10 Mar 2018
Introduced: 10 Mar 2018
CVE-2018-8043 (opens in a new tab)How to fix?
Upgrade Oracle:7 kernel-uek to version 0:4.14.35-1844.1.3.el7uek or higher.
This issue was patched in ELSA-2019-4509.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uek package and not the kernel-uek package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
The unimac_mdio_probe function in drivers/net/phy/mdio-bcm-unimac.c in the Linux kernel through 4.15.8 does not validate certain resource availability, which allows local users to cause a denial of service (NULL pointer dereference).
References
- https://linux.oracle.com/cve/CVE-2018-8043.html
- https://linux.oracle.com/errata/ELSA-2018-4304.html
- https://linux.oracle.com/errata/ELSA-2018-4307.html
- https://linux.oracle.com/errata/ELSA-2019-4509.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5
- http://www.securitytracker.com/id/1040749
- https://github.com/torvalds/linux/commit/297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5
- https://usn.ubuntu.com/3619-1/
- https://usn.ubuntu.com/3619-2/
- https://usn.ubuntu.com/3630-1/
- https://usn.ubuntu.com/3630-2/
- https://usn.ubuntu.com/3632-1/