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CVE-2021-41842

Common vulnerabilities & exposures (CVE)

CVE databaseCVE database blogpostRelease & EoL database
 
Published at: - 06-01-2022 01:15
Last modified: - 01-03-2022 08:58
Total changes: - 5

Description

An issue was discovered in AtaLegacySmm in the kernel 5.0 before 05.08.46, 5.1 before 05.16.46, 5.2 before 05.26.46, 5.3 before 05.35.46, 5.4 before 05.43.46, and 5.5 before 05.51.45 in Insyde InsydeH2O. Code execution can occur because the SMI handler lacks a CommBuffer check.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Low
Attack complexity
Network
Attack vector
High
Availability
High
Confidentiality
High
Integrity
None
Privileges required
Unchanged
Scope
None
User interaction
9.8
Base score
3.9
5.9
Exploitability score
Impact score
 

Verification logic

OR
OR
vendor=insyde AND product=insydeh2o AND versionStartIncluding=5.0 AND versionEndExcluding=05.08.46
OR
vendor=insyde AND product=insydeh2o AND versionStartIncluding=5.1 AND versionEndExcluding=05.16.46
OR
vendor=insyde AND product=insydeh2o AND versionStartIncluding=5.2 AND versionEndExcluding=05.26.46
OR
vendor=insyde AND product=insydeh2o AND versionStartIncluding=5.3 AND versionEndExcluding=05.35.46
OR
vendor=insyde AND product=insydeh2o AND versionEndExcluding=05.43.46 AND versionStartExcluding=5.4
OR
vendor=insyde AND product=insydeh2o AND versionStartIncluding=5.5 AND versionEndExcluding=05.51.45
 

Reference

 


Keywords

NVD

 

CVE-2021-41842

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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