CVE-2018-8043

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).

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/3619-2/ third party advisory vendor advisory
https://usn.ubuntu.com/3630-2/ third party advisory vendor advisory
https://usn.ubuntu.com/3632-1/ third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5 patch vendor advisory
https://github.com/torvalds/linux/commit/297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5 third party advisory patch
https://usn.ubuntu.com/3630-1/ third party advisory vendor advisory
https://usn.ubuntu.com/3619-1/ third party advisory vendor advisory
http://www.securitytracker.com/id/1040749 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-8043?
CVE-2018-8043 has been scored as a medium severity vulnerability.
How to fix CVE-2018-8043?
To fix CVE-2018-8043, 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-2018-8043 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-8043 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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