VULNERABILITY INTELLIGENCE

CVE-2020-15437

CVSS score4.4 MEDIUM
EPSS probability0.43%
CISA KEVNot currently listed
Published2020-11-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Description

The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized.

Weakness classification

  • nvd@nist.gov: CWE-476

Primary references