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CVE-2020-0433

Published

3 years ago

Last Modified

2 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

High

Impact Analysis

In blk_mq_queue_tag_busy_iter of blk-mq-tag.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-151939299.

CVSSv2.0 Score

Severity: Medium
Base Score: 4.6/10
Exploit Score: 3.9/10
Access Vector: Local
Access Complexity: Low
Authentication Required: None
Impact Score: 6.4/10
Confidentiality Impact: Partial
Availability Impact: Partial
Integrity Impact: Partial

CVSSv3.1 Score

Severity: High
Base Score: 7.8/10
Exploit Score: 1.8/10
Access Vector: Local
Access Complexity: Low
Privileges Required: Low
Impact Score: 5.9/10
Confidentiality Impact: High
Availability Impact: High
Integrity Impact: High
Scope: Unchanged
User Interaction: None

Products Affected

CPE	Affected	Vulnerable	Excluding	Edit
cpe:2.3:o:google:android:-:::::::*	Yes	-	-

References

https://source.android.com/security/bulletin/pixel/2020-09-01