{"id":"UBUNTU-CVE-2022-47630","details":"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.","modified":"2026-05-20T16:06:46.784878587Z","published":"2023-01-16T16:15:00Z","upstream":["CVE-2022-47630"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-47630"},{"type":"REPORT","url":"https://www.trustedfirmware.org/news/"},{"type":"REPORT","url":"https://trustedfirmware-a.readthedocs.io/en/latest/security_advisories/security-advisory-tfv-10.html"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2023/01/16/8"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-47630"}],"affected":[{"package":{"name":"arm-trusted-firmware","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/arm-trusted-firmware?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1-3","2.2-2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2-2","binary_name":"arm-trusted-firmware"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-47630.json"}},{"package":{"name":"arm-trusted-firmware","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/arm-trusted-firmware?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5+dfsg-1","2.6+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.6+dfsg-1","binary_name":"arm-trusted-firmware"},{"binary_version":"2.6+dfsg-1","binary_name":"arm-trusted-firmware-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-47630.json"}},{"package":{"name":"arm-trusted-firmware","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/arm-trusted-firmware?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.0+dfsg-3","2.10.0+dfsg-1","2.10.0+dfsg-1build1","2.10.0+dfsg-1build2"],"ecosystem_specific":{"binaries":[{"binary_name":"arm-trusted-firmware","binary_version":"2.10.0+dfsg-1build2"},{"binary_version":"2.10.0+dfsg-1build2","binary_name":"arm-trusted-firmware-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-47630.json"}},{"package":{"name":"arm-trusted-firmware","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/arm-trusted-firmware?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.0+dfsg-1build2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.10.0+dfsg-1build2","binary_name":"arm-trusted-firmware"},{"binary_name":"arm-trusted-firmware-tools","binary_version":"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"}},{"package":{"name":"arm-trusted-firmware","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/arm-trusted-firmware?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.0+dfsg-1build2","2.12.1+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.12.1+dfsg-1","binary_name":"arm-trusted-firmware"},{"binary_version":"2.12.1+dfsg-1","binary_name":"arm-trusted-firmware-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-47630.json"}}],"schema_version":"1.7.5","severity":[{"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"}]}