CVE-2022-21499
Severity
6.7MEDIUM
EPSS
0.2%
top 60.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 9
Latest updateAug 24
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).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9
Patches
🔴Vulnerability Details
12GHSA▶
GHSA-rcmc-qxj3-63p4: KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown↗2022-06-10
CVEList▶
CVE-2022-21499: KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown↗2022-06-09
OSV▶
CVE-2022-21499: KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown↗2022-06-09