CVEvulnerability

CVE-2020-15437

4.4 MEDIUM Published 2020-11-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-11-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.4 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-476

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.

Affected configurations

• linux linux kernel (< 5.8)

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References