CVE-2020-15437

Public Exploit

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.

Category

4.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory lkml.org
Affected: n/a linux kernel
Published at:
Updated at:

References

Link Tags
https://lkml.org/lkml/2020/7/21/80 exploit patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-15437?
CVE-2020-15437 has been scored as a medium severity vulnerability.
How to fix CVE-2020-15437?
To fix CVE-2020-15437, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15437 being actively exploited in the wild?
It is possible that CVE-2020-15437 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-15437?
CVE-2020-15437 affects n/a linux kernel.
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