Vulnerability · Published Jan 16, 2023 · Assigned by mitre
CVE-2022-47630
High 7.4
In plain English
A high-severity out-of-bounds read in the arm-trusted-firmware package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.6%top 48.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | arm-trusted-firmware | no fix listed | DEBIAN-CVE-2022-47630 |
| Debian:13 | arm-trusted-firmware | 2.9.0+dfsg-3 | DEBIAN-CVE-2022-47630 |
| Debian:14 | arm-trusted-firmware | 2.9.0+dfsg-3 | DEBIAN-CVE-2022-47630 |
| Ubuntu:22.04:LTS | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2022-47630 |
| Ubuntu:24.04:LTS | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2022-47630 |
| Ubuntu:25.10 | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2022-47630 |
| Ubuntu:26.04:LTS | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2022-47630 |
| Ubuntu:26.10 | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2022-47630 |
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H