CVE-2022-21198

HIGH

Intel Celeron Processor BIOS Firmware - Privilege Escalation via Time-of-check Time-of-use Race Condition

Title source: llm

Description

Time-of-check time-of-use race condition in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

References (1)

Core 1

Core References

Vendor Advisory

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00688.html

Scores

CVSS v3 7.9

EPSS 0.0005

EPSS Percentile 14.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-367

Status published

Products (50)

intel/celeron_1000m_firmware

intel/celeron_1005m_firmware

intel/celeron_1007u_firmware

intel/celeron_1017u_firmware

intel/celeron_1019y_firmware

intel/celeron_1020e_firmware

intel/celeron_1020m_firmware

intel/celeron_1037u_firmware

intel/celeron_1047ue_firmware

intel/celeron_2955u_firmware

... and 40 more

Published Nov 11, 2022

Tracked Since Feb 18, 2026