CVE-2022-47630
Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2022-47630- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List
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.
- Record
CVE-2022-47630- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2022-50390
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.
- Record
EUVD-2022-50390- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6wwf-79wg-8v2r
Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot...
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.
- Record
GHSA-6wwf-79wg-8v2r- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2022-47630- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2022-47630
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.
- Record
DEBIAN-CVE-2022-47630- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H - Updated
- 2026-11-03
OSVOESA-2023-1899
arm-trusted-firmware security update
Trusted Firmware-A is a reference implementation of secure world software for Arm A-Profile architectures (Armv8-A and Armv7-A), including an Exception Level 3 (EL3) Secure Monitor.
Security Fix(es):
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.(CVE-2022-47630)
- Record
OESA-2023-1899- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2022-47630
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.
- Record
UBUNTU-CVE-2022-47630- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:12883-1 No score
arm-trusted-firmware-2.8.6-1.1 on GA media
These are all security issues fixed in the arm-trusted-firmware-2.8.6-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:12883-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
arm-trusted-firmwareDebian:12 |
All versions, plus listed versions 2.10.0+dfsg-12.10.10+dfsg-12.12.0+dfsg-12.12.0+dfsg-22.12.1+dfsg-1 Show 5 moreShow less2.12.16+dfsg-12.8.0+dfsg-12.9.0+dfsg-12.9.0+dfsg-22.9.0+dfsg-3 |
None known |
arm-trusted-firmwareDebian:13 |
before 2.9.0+dfsg-3 | 2.9.0+dfsg-3 |
arm-trusted-firmwareDebian:14 |
before 2.9.0+dfsg-3 | 2.9.0+dfsg-3 |
arm-trusted-firmwareopenEuler:20.03-LTS-SP1 |
before 1.6-3.oe1 | 1.6-3.oe1 |
arm-trusted-firmwareopenEuler:20.03-LTS-SP3 |
before 1.6-3.oe1 | 1.6-3.oe1 |
arm-trusted-firmwareopenEuler:22.03-LTS |
before 2.3-3.oe2203sp2 | 2.3-3.oe2203sp2 |
arm-trusted-firmwareopenEuler:22.03-LTS-SP1 |
before 2.3-3.oe2203sp1 | 2.3-3.oe2203sp1 |
arm-trusted-firmwareopenEuler:22.03-LTS-SP2 |
before 2.3-3.oe2203sp2 | 2.3-3.oe2203sp2 |
arm-trusted-firmwareUbuntu:20.04:LTS |
All versions, plus listed versions 2.1-32.2-2 |
None known |
arm-trusted-firmwareUbuntu:22.04:LTS |
All versions, plus listed versions 2.5+dfsg-12.6+dfsg-1 |
None known |
Show 4 moreShow less
| Package | Affected | Fixed |
|---|---|---|
arm-trusted-firmwareUbuntu:24.04:LTS |
All versions, plus listed versions 2.9.0+dfsg-32.10.0+dfsg-12.10.0+dfsg-1build12.10.0+dfsg-1build2 |
None known |
arm-trusted-firmwareUbuntu:25.10 |
All versions, plus listed versions 2.10.0+dfsg-1build2 |
None known |
arm-trusted-firmwareUbuntu:26.10 |
All versions, plus listed versions 2.12.1+dfsg-12.12.1+dfsg-1ubuntu1 |
None known |
arm-trusted-firmwareUbuntu:26.04:LTS |
All versions, plus listed versions 2.10.0+dfsg-1build22.12.1+dfsg-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-47630 is a high vulnerability (CVSS 7.4) in Trustedfirmware Trusted Firmware-a, published January 16, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. Fixed in arm-trusted-firmware 2.9.0+dfsg-3.