CVE-2022-21499 vulnerability in Canonical and Other Products
Published on June 9, 2022
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).
Vulnerability Analysis
CVE-2022-21499 can be exploited with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
Products Associated with CVE-2022-21499
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Affected Versions
Oracle Corporation Oracle Linux:- Version Oracle Linux: 6 is affected.
- Version Oracle Linux: 7 is affected.
- Version Oracle Linux: 8 is affected.
- Version Oracle VM: 3 is affected.
Exploit Probability
EPSS
0.16%
Percentile
37.37%
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.