VULNERABILITY INTELLIGENCE

CVE-2019-12819

CVSS score5.5 MEDIUM
EPSS probability0.64%
CISA KEVNot currently listed
Published2019-06-14
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

An issue was discovered in the Linux kernel before 5.0. The function __mdiobus_register() in drivers/net/phy/mdio_bus.c calls put_device(), which will trigger a fixed_mdio_bus_init use-after-free. This will cause a denial of service.

Weakness classification

  • nvd@nist.gov: CWE-416

Primary references