CVE-2022-26859 Race condition in CPG BIOS
A local attacker can exploit a race condition in Dell BIOS to bypass security checks during System Management Mode.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-26859?
CVE-2022-26859 is a medium-severity vulnerability in Dell Chengming 3980 Firmware, published on 6 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Dell BIOS contains a race condition vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI in order to bypass security checks during SMM.
Weakness: CWE-367
Which versions are affected by CVE-2022-26859?
It affects 399 products.
Products include Dell Alienware M15 R6 Firmware, Dell Chengming 3980 Firmware, Dell Chengming 3988 Firmware, Dell Chengming 3990 Firmware, Dell Chengming 3991 Firmware, Dell Edge Gateway 3000 Firmware and 393 more.
How do I fix CVE-2022-26859?
No fix has been published for CVE-2022-26859 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-26859 being exploited?
There is no known exploitation of CVE-2022-26859 in the wild and no public exploit code.
Other vulnerabilities in Dell Chengming 3980 Firmware
Sources
Also known as GHSA-m639-pxcj-g467.