CVE-2020-15437

Published: Nov 23, 2020Modified: Jun 17, 2026

4.4

Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploitability: 0.8 / Impact: 3.6

Source: NVD

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 (1)

Products: Linux: Linux Kernel

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Before 5.8

Related CWEs

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (2)

https://lkml.org/lkml/2020/7/21/80

Source: securities@openeuler.org

ExploitPatchVendor Advisory

https://lkml.org/lkml/2020/7/21/80

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitPatchVendor Advisory

Timeline

No history available yet.