CVE-2022-31222 Denial of service in CPG BIOS
A local authenticated administrator can cause a denial of service by consuming excess memory in Dell BIOS firmware.
- 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-2022-31222?
CVE-2022-31222 is a low-severity denial of service vulnerability in Dell CPG BIOS, published on 12 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Dell BIOS versions contain a Missing Release of Resource after Effective Lifetime vulnerability. A local authenticated administrator user could potentially exploit this vulnerability by consuming excess memory in order to cause the application to crash.
Which versions are affected by CVE-2022-31222?
It affects 25 products.
Products include Dell Chengming 3900 Firmware, Dell Inspiron 14 Plus 7420 Firmware, Dell Inspiron 16 Plus 7620 Firmware, Dell Inspiron 3910 Firmware, Dell Inspiron 5320 Firmware, Dell Inspiron 5420 Firmware and 19 more.
How do I fix CVE-2022-31222?
No fix has been published for CVE-2022-31222 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-31222 being exploited?
There is no known exploitation of CVE-2022-31222 in the wild and no public exploit code.
Other vulnerabilities in Dell CPG BIOS
Sources
Also known as GHSA-9r29-9qmj-8m4x.