VulnerabilityModified
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).
MEDIUM 5.5EPSS 0.39%
Does this matter?
Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.
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).
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.39% probability · 32th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel · canonical/ubuntu linux
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.