High
arm-trusted-firmware — security advisory
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.
- Products
- arm-trusted-firmware
- Affected versions
- 2.1-3, 2.10.0+dfsg-1, 2.10.0+dfsg-1build1, 2.10.0+dfsg-1build2, 2.12.1+dfsg-1, 2.12.1+dfsg-1ubuntu1, 2.2-2, 2.5+dfsg-1, 2.6+dfsg-1, 2.9.0+dfsg-3
- Fixed versions
- Not specified
- CVEs
- CVE-2022-47630
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:43 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2022-47630
arm-trusted-firmware
Fixed versions: Not specified
arm-trusted-firmware
Fixed versions: Not specified
arm-trusted-firmware
Fixed versions: Not specified
arm-trusted-firmware
Fixed versions: Not specified
arm-trusted-firmware
Fixed versions: Not specified
arm-trusted-firmware
Fixed versions: Not specified
Complete source record
{
"id": "80013a9a7ef62508e5f8bde3e8b91541f8151b1fba8ad33369219bdeae0e012c",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2022-47630",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2022-47630",
"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.",
"evidence": "osv:UBUNTU-CVE-2022-47630",
"products": [
{
"name": {
"value": "arm-trusted-firmware",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.1-3",
"evidence": "/affected/0/versions"
},
{
"value": "2.2-2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "arm-trusted-firmware",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.5+dfsg-1",
"evidence": "/affected/1/versions"
},
{
"value": "2.6+dfsg-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "arm-trusted-firmware",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.9.0+dfsg-3",
"evidence": "/affected/2/versions"
},
{
"value": "2.10.0+dfsg-1",
"evidence": "/affected/2/versions"
},
{
"value": "2.10.0+dfsg-1build1",
"evidence": "/affected/2/versions"
},
{
"value": "2.10.0+dfsg-1build2",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "arm-trusted-firmware",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.10.0+dfsg-1build2",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "arm-trusted-firmware",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.12.1+dfsg-1",
"evidence": "/affected/4/versions"
},
{
"value": "2.12.1+dfsg-1ubuntu1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "arm-trusted-firmware",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.10.0+dfsg-1build2",
"evidence": "/affected/5/versions"
},
{
"value": "2.12.1+dfsg-1",
"evidence": "/affected/5/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2022-47630",
"aliases": [
"UBUNTU-CVE-2022-47630"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "arm-trusted-firmware",
"purl": "pkg:deb/ubuntu/arm-trusted-firmware?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"2.1-3",
"2.2-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-47630.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "arm-trusted-firmware",
"binary_version": "2.2-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "arm-trusted-firmware",
"purl": "pkg:deb/ubuntu/arm-trusted-firmware?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"2.5+dfsg-1",
"2.6+dfsg-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-47630.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "arm-trusted-firmware",
"binary_version": "2.6+dfsg-1"
},
{
"binary_name": "arm-trusted-firmware-tools",
"binary_version": "2.6+dfsg-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "arm-trusted-firmware",
"purl": "pkg:deb/ubuntu/arm-trusted-firmware?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"2.9.0+dfsg-3",
"2.10.0+dfsg-1",
"2.10.0+dfsg-1build1",
"2.10.0+dfsg-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-47630.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "arm-trusted-firmware",
"binary_version": "2.10.0+dfsg-1build2"
},
{
"binary_name": "arm-trusted-firmware-tools",
"binary_version": "2.10.0+dfsg-1build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "arm-trusted-firmware",
"purl": "pkg:deb/ubuntu/arm-trusted-firmware?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"2.10.0+dfsg-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-47630.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "arm-trusted-firmware",
"binary_version": "2.10.0+dfsg-1build2"
},
{
"binary_name": "arm-trusted-firmware-tools",
"binary_version": "2.10.0+dfsg-1build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "arm-trusted-firmware",
"purl": "pkg:deb/ubuntu/arm-trusted-firmware?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"2.12.1+dfsg-1",
"2.12.1+dfsg-1ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-47630.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "arm-trusted-firmware",
"binary_version": "2.12.1+dfsg-1ubuntu1"
},
{
"binary_name": "arm-trusted-firmware-tools",
"binary_version": "2.12.1+dfsg-1ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "arm-trusted-firmware",
"purl": "pkg:deb/ubuntu/arm-trusted-firmware?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"2.10.0+dfsg-1build2",
"2.12.1+dfsg-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-47630.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "arm-trusted-firmware",
"binary_version": "2.12.1+dfsg-1"
},
{
"binary_name": "arm-trusted-firmware-tools",
"binary_version": "2.12.1+dfsg-1"
}
]
}
}
],
"modified": "2026-10-17T12:55:59.617059501Z",
"provider": "osv",
"upstream": [
"CVE-2022-47630"
],
"references": [
"https://ubuntu.com/security/CVE-2022-47630",
"https://www.trustedfirmware.org/news/",
"https://trustedfirmware-a.readthedocs.io/en/latest/security_advisories/security-advisory-tfv-10.html",
"https://www.cve.org/CVERecord?id=CVE-2022-47630"
]
},
"related_cves": [
{
"value": "CVE-2022-47630",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354490,
"published_at": "2023-01-16T16:15:00+00:00"
}