CVE-2022-0004 Security feature bypass in Intel(R) Processors in Intel(R) Boot Guard and Intel(R) TXT
Unauthenticated attackers with physical access can bypass Intel Boot Guard and TXT locks to escalate privileges on affected processors.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-0004?
CVE-2022-0004 is a medium-severity vulnerability in Intel(R) Processors in Intel(R) Boot Guard and Intel(R) TXT, published on 12 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Hardware debug modes and processor INIT setting that allow override of locks for some Intel(R) Processors in Intel(R) Boot Guard and Intel(R) TXT may allow an unauthenticated user to potentially enable escalation of privilege via physical access.
Which versions are affected by CVE-2022-0004?
It affects 398 products.
Products include Intel Atom P5921b Firmware, Intel Atom P5931b Firmware, Intel Atom P5942b Firmware, Intel Atom P5962b Firmware, Intel Atom X5-E3930 Firmware, Intel Atom X5-E3940 Firmware and 392 more.
How do I fix CVE-2022-0004?
No fix has been published for CVE-2022-0004 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-0004 being exploited?
There is no known exploitation of CVE-2022-0004 in the wild and no public exploit code.
Other vulnerabilities in Intel(R) Processors in Intel(R) Boot Guard and Intel(R) TXT
Sources
Also known as GHSA-qcfq-hp3w-9892.