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Article Number: 000202772

DSA-2022-169: Dell Client Precision 5820, 7820, and 7920 Tower BIOS Security Update

Summary: Dell Client Commercial remediation is available for multiple vulnerabilities that may be exploited by malicious users to compromise the affected system.

Article Content

Impact

High

Details

Proprietary Code CVEs Description CVSS Base Score CVSS Vector String
CVE‑2022-32486 Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
7.5		 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVE-2022-32492 Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
7.5
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Proprietary Code CVEs Description CVSS Base Score CVSS Vector String
CVE‑2022-32486 Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
7.5		 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVE-2022-32492 Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
7.5
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Dell Technologies recommends all customers consider both the CVSS base score and any relevant temporal and environmental scores that may impact the potential severity associated with a particular security vulnerability.

Affected Products and Remediation

See NVD (https://nvd.nist.gov/) for individual scores for each CVE.
 
See the table below for Dell Client BIOS releases containing resolutions to these vulnerabilities. Dell Technologies recommends all customers update at the earliest opportunity.

Go to the Drivers & Downloads site for updates on the applicable products. To learn more, see Dell KB article Dell BIOS Updates, and download the update for your Dell computer.

Customers may use one of the Dell notification solutions to be notified and download driver, BIOS, and firmware updates automatically once available.
 
Product Affected Version Updated Version BIOS Release Date (MM-DD-YYYY)
Precision 5820 Tower Versions before 2.21.0 2.21.0 09-14-2022
Precision 7820 Tower Versions before 2.25.0 2.25.0 09-14-2022
Precision 7920 Tower Versions before 2.25.0 2.25.0 09-14-2022
See NVD (https://nvd.nist.gov/) for individual scores for each CVE.
 
See the table below for Dell Client BIOS releases containing resolutions to these vulnerabilities. Dell Technologies recommends all customers update at the earliest opportunity.

Go to the Drivers & Downloads site for updates on the applicable products. To learn more, see Dell KB article Dell BIOS Updates, and download the update for your Dell computer.

Customers may use one of the Dell notification solutions to be notified and download driver, BIOS, and firmware updates automatically once available.
 
Product Affected Version Updated Version BIOS Release Date (MM-DD-YYYY)
Precision 5820 Tower Versions before 2.21.0 2.21.0 09-14-2022
Precision 7820 Tower Versions before 2.25.0 2.25.0 09-14-2022
Precision 7920 Tower Versions before 2.25.0 2.25.0 09-14-2022

Acknowledgements

Dell Technologies would like to thank yngweijw for reporting CVE‑2022-32486 and CVE-2022-32492.

Revision History

RevisionDateDescription
1.02022-09-22Initial Release

Related Information

Dell Security Advisories and Notices
Dell Vulnerability Response Policy
CVSS Scoring Guide

Legal Information

Article Properties

Affected Product

Precision 5820 Tower, Precision 7820 Tower, Precision 7920 Tower, Product Security Information

Last Published Date

22 Sep 2022

Version

1

Article Type

Dell Security Advisory

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