CVE-2022-21499

Medium

Description

KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown. An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

SeverityMedium

CVSS6.7

Exploit probability—

Product

Oracle Linux

PublishedJun 9, 2022

First seenJun 9, 2022

How to fix

Vendor advisories

debian.org/security/2022/dsa-5161

Affected products

Product	Affected versions	Fixed in
oracle linux	6, 7, 8	—
debian debian_linux	11.0	—

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