CVE-2022-47630 Information disclosure in n/a

High 7.4 Published 16 Jan 2023 Updated 8 Apr 2025

An out-of-bounds read in the X.509 parser allows attackers to obtain sensitive microarchitectural state information via boot certificates.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2022-47630?

CVE-2022-47630 is a high-severity vulnerability in n/a, published on 16 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates. This affects downstream use of get_ext and auth_nvctr. Attackers might be able to trigger dangerous read side effects or obtain sensitive information about microarchitectural state.

Weakness: CWE-125

Which versions are affected by CVE-2022-47630?

It affects 1 product.

Products include Trustedfirmware Trusted Firmware-A.

How do I fix CVE-2022-47630?

Upgrade to a fixed version.

Is CVE-2022-47630 being exploited?

There is no known exploitation of CVE-2022-47630 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2022-47630, GHSA-6wwf-79wg-8v2r, OESA-2023-1899, UBUNTU-CVE-2022-47630, openSUSE-SU-2024:12883-1.