TOCTOU Vulnerabilities in HP BIOS for Selected PC Products
CVE-2022-31638

7.8HIGH

Key Information:

Vendor
HP
Status
HP Pc BiOS
Vendor
CVE Published:
13 June 2023

Summary

HP has identified potential time-of-check to time-of-use (TOCTOU) vulnerabilities in the BIOS of various HP PC products. These vulnerabilities could allow attackers to execute arbitrary code, escalate privileges, cause a denial of service, or disclose sensitive information. This situation warrants immediate attention as it poses significant risks to system integrity and user data security.

Affected Version(s)

HP PC BIOS See HP Security Bulletin reference for affected versions.

References

https://support.hp.com/us-en/document/ish_7149996-7150021...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.