CVE-2022-21505

kernel: lockdown bypass using IMA

Severity Score

6.7

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

RedHat

An authentication bypass flaw was found in the Linux kernel’s IMA policy when a user performs lockdown. This flaw allows a local user to crash or potentially escalate their privileges on the system.

*Credits: N/A

CVSS Scores

Red Hatv3.1 6.7

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-04-20 CVE Published
---------- CVE Reserved
---------- CVE Updated
---------- EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-305: Authentication Bypass by Primary Weakness

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2022-21505	2023-05-09
https://bugzilla.redhat.com/show_bug.cgi?id=2106830	2023-05-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
-		-				-		-		-