CVE-2022-47630 json
Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates.
published 2023-01-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-50390
- cvss
- 7.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- arm-trusted-firmware Debian 14, Debian 13 2.9.0+dfsg-3
debian advisories DEBIAN-CVE-2022-47630
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H |
| NVD | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H |
| CNA | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
trustedfirmware-a.readthedocs.io
/en/latest/security_advisories/security-advisory-tfv-10.html
patch, vendor-advisory
-
openwall.com
/lists/oss-security/2023/01/16/8
mailing-list, patch, third-party-advisory
-
trustedfirmware.org
/news/
vendor-advisory
Sources
- CVE List CVE-2022-47630
- NVD CVE-2022-47630
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.