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Article Number: 000204679

DSA-2022-291: Dell Client Security Update for Dell Client BIOS

Summary: Dell Client Consumer platform remediation is available for this vulnerability that may be exploited by malicious users to compromise the affected systems.

Article Content

Impact

High

Details

Proprietary Code CVE Description CVSS Base Score CVSS Vector String
CVE-2022-34401 Dell BIOS contains a stack-based buffer overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter in order 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

See the table below for Dell Client BIOS releases containing resolutions to these vulnerabilities. Dell recommends all customers update at the earliest opportunity.

Go to the Drivers and Downloads site for updates on the applicable products. To learn more, see Dell KB article 124211: 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.
Proprietary Code CVE Description CVSS Base Score CVSS Vector String
CVE-2022-34401 Dell BIOS contains a stack-based buffer overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter in order 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

See the table below for Dell Client BIOS releases containing resolutions to these vulnerabilities. Dell recommends all customers update at the earliest opportunity.

Go to the Drivers and Downloads site for updates on the applicable products. To learn more, see Dell KB article 124211: 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.
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

Product BIOS Update Version BIOS Release Date (MM/DD/YYYY)
Alienware m15 A6 1.4.3 09/29/2022
Alienware m17 Ryzen Edition R5 1.4.3 09/29/2022
Dell G15 5525 1.4.3 09/29/2022
Product BIOS Update Version BIOS Release Date (MM/DD/YYYY)
Alienware m15 A6 1.4.3 09/29/2022
Alienware m17 Ryzen Edition R5 1.4.3 09/29/2022
Dell G15 5525 1.4.3 09/29/2022

Acknowledgements

Dell Technologies would like to thank Cederic Laumen (@ling_sec) for reporting CVE-2022-34401.
 

Revision History

RevisionDateDescription
1.02022/10/27Initial Release

Related Information

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

Legal Information

Article Properties

Affected Product

Alienware M15, Alienware m17 R5 AMD, Alienware m15, Dell G15 5525

Last Published Date

01 Nov 2022

Version

1

Article Type

Dell Security Advisory

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