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UBUNTU-CVE-2018-8043 Moderate

UBUNTU-CVE-2018-8043

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).

Exploit probability Not scored
Published March 10, 2018
Required by Not available
Last source change April 22, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:14.04:LTS linux-aws

9 explicit affected versions

Ubuntu:14.04:LTS linux-lts-xenial

49 explicit affected versions

Ubuntu:16.04:LTS linux

70 explicit affected versions

Ubuntu:16.04:LTS linux-aws

30 explicit affected versions

Ubuntu:16.04:LTS linux-azure

12 explicit affected versions

Ubuntu:16.04:LTS linux-gcp

11 explicit affected versions

Ubuntu:16.04:LTS linux-hwe

31 explicit affected versions

Ubuntu:16.04:LTS linux-kvm

11 explicit affected versions

Ubuntu:16.04:LTS linux-oem

9 explicit affected versions

Ubuntu:16.04:LTS linux-raspi2

45 explicit affected versions

Ubuntu:16.04:LTS linux-snapdragon

42 explicit affected versions

Ubuntu:20.04:LTS linux-azure-fde

26 explicit affected versions

Ubuntu:20.04:LTS linux-gke

51 explicit affected versions

Ubuntu:20.04:LTS linux-raspi2

6 explicit affected versions

Ubuntu:20.04:LTS linux-riscv

12 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iot-realtime

1 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

Ubuntu:22.04:LTS linux-riscv

23 explicit affected versions

Ubuntu:24.04:LTS linux-raspi-realtime

1 explicit affected versions

Ubuntu:Pro:FIPS:16.04:LTS linux-fips

3 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

related USN-3630-1

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2018-8043

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).

View original source

05 / REFERENCES

Further evidence