CVE-2022-21499

CVSS V2 Medium 4.6 CVSS V3 Medium 6.7
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).
Overview
  • CVE ID
  • CVE-2022-21499
  • Assigner
  • secalert_us@oracle.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-06-09T21:15:07
  • Last Modified Date
  • 2022-09-28T20:00:49
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:oracle:linux:8:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.7
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.html Third Party Advisory VDB Entry
https://git.kernel.org/linus/eadb2f47a3ced5c64b23b90fd2a3463f63726066 Mailing List Patch Vendor Advisory
https://www.debian.org/security/2022/dsa-5161 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2022-21499
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21499
History
Created Old Value New Value Data Type Notes
2022-06-09 22:00:08 Added to TrackCVE