CVE-2022-34398

high-risk
Published 2023-02-01

Dell BIOS contains a Time-of-check Time-of-use vulnerability. A local authenticated malicious user could\u00a0potentially exploit this vulnerability by using a specifically timed DMA transaction during an SMI to gain arbitrary code execution on the system.

Do I need to act?

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0.11% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
LOCAL / HIGH complexity

Affected Products (20)

Alienware Aurora R10 Firmware
Alienware Aurora R9 Firmware
Alienware M15 R1 Firmware
Alienware M17 R1 Firmware

Affected Vendors

Dell

References (2)

Vendor Advisory https://www.dell.com/support/kbdoc/000206038
Vendor Advisory https://www.dell.com/support/kbdoc/000206038
53
/ 100
high-risk
Severity 20/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 33/34 · Critical