CVE-2021-0155 Information disclosure in Intel(R) Processors

Medium 5.5 Published Updated

A privileged local attacker can exploit an unchecked return value in Intel processor BIOS firmware to disclose sensitive information.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-0155?

CVE-2021-0155 is a medium-severity vulnerability in Intel(R) Processors, 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

Unchecked return value in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.

Weakness: CWE-252

Which versions are affected by CVE-2021-0155?

It affects 173 products.

Products include Intel Core I5-7640x Firmware, Intel Core I7-3820 Firmware, Intel Core I7-3920xm Firmware, Intel Core I7-3930k Firmware, Intel Core I7-3940xm Firmware, Intel Core I7-3960x Firmware and 167 more.

How do I fix CVE-2021-0155?

No fix has been published for CVE-2021-0155 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-0155 being exploited?

There is no known exploitation of CVE-2021-0155 in the wild and no public exploit code.

Sources

Also known as GHSA-4hpg-x5qx-73m8.

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