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).
References (8)
Core 8
Core References
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3619-2/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3630-2/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3632-1/
Patch, Vendor Advisory x_refsource_misc
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5
Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3630-1/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3619-1/
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1040749
Scores
CVSS v3
5.5
EPSS
0.0008
EPSS Percentile
23.7%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (4)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
17.10
linux/linux_kernel
< 4.15.8
Published
Mar 10, 2018
Tracked Since
Feb 18, 2026