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).
Published: 2022-06-09
Score: 6.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-5161-1 linux security update
EUVD EUVD EUVD-2022-26723 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).
Ubuntu USN Ubuntu USN USN-5465-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5466-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5467-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5468-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5469-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5470-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5471-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5484-1 Linux kernel vulnerabilities
History

Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00139}

epss

{'score': 0.00144}


Tue, 24 Sep 2024 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Subscriptions

Debian Debian Linux
Oracle Linux
Redhat Enterprise Linux Rhel Eus Rhev Hypervisor
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2024-09-24T20:05:11.047Z

Reserved: 2021-11-15T00:00:00.000Z

Link: CVE-2022-21499

cve-icon Vulnrichment

Updated: 2024-08-03T02:46:39.071Z

cve-icon NVD

Status : Modified

Published: 2022-06-09T21:15:07.657

Modified: 2024-11-21T06:44:50.557

Link: CVE-2022-21499

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-05-24T17:00:00Z

Links: CVE-2022-21499 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses