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.
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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.
Affected Products & 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 |
Revision History
| Revision | Date | Description |
| 1.0 | 2022/10/27 | Initial Release |
Acknowledgements
Dell Technologies would like to thank Cederic Laumen (@ling_sec) for reporting CVE-2022-34401.
Related Information
Legal Disclaimer
Affected Products
Alienware M15, Alienware m17 R5 AMD, Alienware m15, Dell G15 5525Article Properties
Article Number: 000204679
Article Type: Dell Security Advisory
Last Modified: 01 Nov 2022
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