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A potential Time-of-Check to Time-of-Use (TOCTOU)...

High severity Unreviewed Published Feb 1, 2023 to the GitHub Advisory Database • Updated Feb 17, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

A potential Time-of-Check to Time-of-Use (TOCTOU) vulnerability has been identified in the BIOS for certain HP PC products which may allow arbitrary code execution, denial of service, and information disclosure. HP is releasing BIOS updates to mitigate the potential vulnerability.

References

Published by the National Vulnerability Database Feb 1, 2023
Published to the GitHub Advisory Database Feb 1, 2023
Last updated Feb 17, 2023

Severity

High
7.0
/ 10

CVSS base metrics

Attack vector
Local
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2022-27538

GHSA ID

GHSA-vrcv-rg57-32pr

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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