---
id: CVE-2022-21198
title: >-
  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.
summary: >-
  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.
severity: high
cvss: 7.9
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H'
cwe:
  - CWE-367
  - CWE-367
vendor: intel
product: celeron_1000m_firmware
affected:
  - celeron_1000m_firmware
  - celeron_1005m_firmware
  - celeron_1007u_firmware
  - celeron_1017u_firmware
  - celeron_1019y_firmware
  - celeron_1020e_firmware
  - celeron_1020m_firmware
  - celeron_1037u_firmware
  - celeron_1047ue_firmware
  - celeron_2955u_firmware
  - celeron_2957u_firmware
  - celeron_2970m_firmware
  - celeron_2980u_firmware
  - celeron_2981u_firmware
  - celeron_3755u_firmware
  - celeron_3765u_firmware
  - celeron_3855u_firmware
  - celeron_3865u_firmware
  - celeron_3867u_firmware
  - celeron_3955u_firmware
  - celeron_3965u_firmware
  - celeron_3965y_firmware
  - celeron_4205u_firmware
  - celeron_4305u_firmware
  - celeron_4305ue_firmware
  - celeron_5205u_firmware
  - celeron_5305u_firmware
  - celeron_6305_firmware
  - celeron_6305e_firmware
  - celeron_6600he_firmware
  - celeron_725c_firmware
  - celeron_7300_firmware
  - celeron_7305_firmware
  - celeron_787_firmware
  - celeron_797_firmware
  - celeron_807_firmware
  - celeron_807ue_firmware
  - celeron_827e_firmware
  - celeron_847_firmware
  - celeron_847e_firmware
  - celeron_857_firmware
  - celeron_867_firmware
  - celeron_877_firmware
  - celeron_887_firmware
  - celeron_927ue_firmware
  - celeron_b710_firmware
  - celeron_b720_firmware
  - celeron_b800_firmware
  - celeron_b810_firmware
  - celeron_b810e_firmware
  - celeron_b815_firmware
  - celeron_b820_firmware
  - celeron_b830_firmware
  - celeron_b840_firmware
  - celeron_g1610_firmware
  - celeron_g1610t_firmware
  - celeron_g1620_firmware
  - celeron_g1620t_firmware
  - celeron_g1630_firmware
  - celeron_g1820_firmware
  - celeron_g1820t_firmware
  - celeron_g1820te_firmware
  - celeron_g1830_firmware
  - celeron_g1840_firmware
  - celeron_g1840t_firmware
  - celeron_g1850_firmware
  - celeron_g3900_firmware
  - celeron_g3900e_firmware
  - celeron_g3900t_firmware
  - celeron_g3900te_firmware
  - celeron_g3902e_firmware
  - celeron_g3920_firmware
  - celeron_g3920t_firmware
  - celeron_g3930_firmware
  - celeron_g3930e_firmware
  - celeron_g3930t_firmware
  - celeron_g3930te_firmware
  - celeron_g3940_firmware
  - celeron_g3950_firmware
  - celeron_g440_firmware
  - celeron_g460_firmware
  - celeron_g465_firmware
  - celeron_g470_firmware
  - celeron_g4900_firmware
  - celeron_g4900t_firmware
  - celeron_g4920_firmware
  - celeron_g4930_firmware
  - celeron_g4930e_firmware
  - celeron_g4930t_firmware
  - celeron_g4932e_firmware
  - celeron_g4950_firmware
  - celeron_g5205u_firmware
  - celeron_g530_firmware
  - celeron_g5305u_firmware
  - celeron_g530t_firmware
  - celeron_g540_firmware
  - celeron_g540t_firmware
  - celeron_g550_firmware
  - celeron_g550t_firmware
  - celeron_g555_firmware
published: '2022-11-11'
updated: '2026-08-11'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-21198'
references:
  - url: >-
      https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00688.html
    label: secure@intel.com
  - url: >-
      https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00688.html
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-686975.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
epss: 0.00146
epssPercentile: 0.03191
ingestedAt: '2026-08-11T16:47:02.481Z'
---

## Overview

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.

## Affected

- `celeron_1000m_firmware`
- `celeron_1005m_firmware`
- `celeron_1007u_firmware`
- `celeron_1017u_firmware`
- `celeron_1019y_firmware`
- `celeron_1020e_firmware`
- `celeron_1020m_firmware`
- `celeron_1037u_firmware`
- `celeron_1047ue_firmware`
- `celeron_2955u_firmware`
- `celeron_2957u_firmware`
- `celeron_2970m_firmware`
- `celeron_2980u_firmware`
- `celeron_2981u_firmware`
- `celeron_3755u_firmware`
- `celeron_3765u_firmware`
- `celeron_3855u_firmware`
- `celeron_3865u_firmware`
- `celeron_3867u_firmware`
- `celeron_3955u_firmware`
- `celeron_3965u_firmware`
- `celeron_3965y_firmware`
- `celeron_4205u_firmware`
- `celeron_4305u_firmware`
- `celeron_4305ue_firmware`
- `celeron_5205u_firmware`
- `celeron_5305u_firmware`
- `celeron_6305_firmware`
- `celeron_6305e_firmware`
- `celeron_6600he_firmware`
- `celeron_725c_firmware`
- `celeron_7300_firmware`
- `celeron_7305_firmware`
- `celeron_787_firmware`
- `celeron_797_firmware`
- `celeron_807_firmware`
- `celeron_807ue_firmware`
- `celeron_827e_firmware`
- `celeron_847_firmware`
- `celeron_847e_firmware`
- `celeron_857_firmware`
- `celeron_867_firmware`
- `celeron_877_firmware`
- `celeron_887_firmware`
- `celeron_927ue_firmware`
- `celeron_b710_firmware`
- `celeron_b720_firmware`
- `celeron_b800_firmware`
- `celeron_b810_firmware`
- `celeron_b810e_firmware`
- `celeron_b815_firmware`
- `celeron_b820_firmware`
- `celeron_b830_firmware`
- `celeron_b840_firmware`
- `celeron_g1610_firmware`
- `celeron_g1610t_firmware`
- `celeron_g1620_firmware`
- `celeron_g1620t_firmware`
- `celeron_g1630_firmware`
- `celeron_g1820_firmware`
- `celeron_g1820t_firmware`
- `celeron_g1820te_firmware`
- `celeron_g1830_firmware`
- `celeron_g1840_firmware`
- `celeron_g1840t_firmware`
- `celeron_g1850_firmware`
- `celeron_g3900_firmware`
- `celeron_g3900e_firmware`
- `celeron_g3900t_firmware`
- `celeron_g3900te_firmware`
- `celeron_g3902e_firmware`
- `celeron_g3920_firmware`
- `celeron_g3920t_firmware`
- `celeron_g3930_firmware`
- `celeron_g3930e_firmware`
- `celeron_g3930t_firmware`
- `celeron_g3930te_firmware`
- `celeron_g3940_firmware`
- `celeron_g3950_firmware`
- `celeron_g440_firmware`
- `celeron_g460_firmware`
- `celeron_g465_firmware`
- `celeron_g470_firmware`
- `celeron_g4900_firmware`
- `celeron_g4900t_firmware`
- `celeron_g4920_firmware`
- `celeron_g4930_firmware`
- `celeron_g4930e_firmware`
- `celeron_g4930t_firmware`
- `celeron_g4932e_firmware`
- `celeron_g4950_firmware`
- `celeron_g5205u_firmware`
- `celeron_g530_firmware`
- `celeron_g5305u_firmware`
- `celeron_g530t_firmware`
- `celeron_g540_firmware`
- `celeron_g540t_firmware`
- `celeron_g550_firmware`
- `celeron_g550t_firmware`
- `celeron_g555_firmware`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.