5.5med

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 a…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 33%
Public exploits
0
none known

Summary

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 prediction (EPSS)

0.39% probability of exploitation in the next 30 days, higher than 33% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD2.02.1AV:L/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
Technology feeds
Linux kernel (RSS, critical only)

References

  • usn.ubuntu.com /3619-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /3630-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /3632-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=297a6961ffb8ff4dc66c9fbf53b924bd1dda0 · x_refsource_MISC, x_transferred
  • github.com /torvalds/linux/commit/297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5 · x_refsource_MISC, x_transferred
  • usn.ubuntu.com /3630-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /3619-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securitytracker.com /id/1040749 · vdb-entry, x_refsource_SECTRACK, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.