CVE-2022-34398 Race condition in CPG BIOS
A local attacker can exploit a race condition in Dell BIOS to achieve arbitrary code execution via timed DMA transactions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-34398?
CVE-2022-34398 is a high-severity vulnerability in Dell Alienware Area 51m R2 Firmware, published on 1 Feb 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-367
Which versions are affected by CVE-2022-34398?
It affects 239 products.
Products include Dell Alienware Area 51m R1 Firmware, Dell Alienware Area 51m R2 Firmware, Dell Alienware Aurora R10 Firmware, Dell Alienware Aurora R11 Firmware, Dell Alienware Aurora R12 Firmware, Dell Alienware Aurora R13 Firmware and 233 more.
How do I fix CVE-2022-34398?
No fix has been published for CVE-2022-34398 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-34398 being exploited?
There is no known exploitation of CVE-2022-34398 in the wild and no public exploit code.
Other vulnerabilities in Dell Alienware Area 51m R2 Firmware
Sources
Also known as GHSA-8qgg-7996-jqj3.