vulnerability
Ubuntu: (Multiple Advisories) (CVE-2020-15437): Linux kernel (OEM) vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:N/I:N/A:C) | Nov 23, 2020 | Feb 26, 2021 | Mar 27, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Nov 23, 2020
Added
Feb 26, 2021
Modified
Mar 27, 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.
Solutions
ubuntu-upgrade-linux-image-5-6-0-1048-oemubuntu-upgrade-linux-image-oem-20-04
References
Rapid7 Labs
2026 Global Threat Landscape Report
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