CVE-2018-8043

Name: CVE-2018-8043
Creator: NVD / NIST
Published: 2018-03-10T22:29:00.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.41%

Last modified Jun 17, 2026

CVE-2018-8043 is a vulnerability of currently unknown severity. 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).. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

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).

Metrics

EPSS Probability

0.41%

32.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.15.8
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	17.10

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5Patch, Vendor Advisory
http://www.securitytracker.com/id/1040749Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5Patch, Third Party Advisory
https://usn.ubuntu.com/3619-1/Third Party Advisory
https://usn.ubuntu.com/3619-2/Third Party Advisory
https://usn.ubuntu.com/3630-1/Third Party Advisory
https://usn.ubuntu.com/3630-2/Third Party Advisory
https://usn.ubuntu.com/3632-1/Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5Patch, Vendor Advisory
http://www.securitytracker.com/id/1040749Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5Patch, Third Party Advisory
https://usn.ubuntu.com/3619-1/Third Party Advisory
https://usn.ubuntu.com/3619-2/Third Party Advisory
https://usn.ubuntu.com/3630-1/Third Party Advisory
https://usn.ubuntu.com/3630-2/Third Party Advisory
https://usn.ubuntu.com/3632-1/Third Party Advisory

Timeline

Published: Mar 10, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-8043?

How severe is CVE-2018-8043?

Severity scoring for CVE-2018-8043 is pending analysis. The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2018-8043?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-8043?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST