CVE-2020-15437

MediumCVSS 4.4/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.4/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	linux kernel	5.7 (verified), possibly others 4.18

References

https://lkml.org/lkml/2020/7/21/80Exploit, Patch, Vendor Advisory
https://lkml.org/lkml/2020/7/21/80Exploit, Patch, Vendor Advisory

Timeline

Published: Nov 23, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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