UBUNTU-CVE-2021-40327
- Source
- https://ubuntu.com/security/CVE-2021-40327
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40327.json
- JSON Data
- https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-40327
- Related
- Published
- 2022-01-13T16:15:00Z
- Modified
- 2025-01-13T10:22:37Z
- Severity
-
- 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
Trusted Firmware-M (TF-M) 1.4.0, when Profile Small is used, has incorrect access control. NSPE can access a secure key (held by the Crypto service) based solely on knowledge of its key ID. For example, there is no authorization check associated with the relationship between a caller and a key owner.
- References
-
- https://ubuntu.com/security/CVE-2021-40327
- https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/
- https://developer.arm.com/support/arm-security-updates
- https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/profile_small_key_id_encoding_vulnerability.html
- https://www.cve.org/CVERecord?id=CVE-2021-40327
Affected packages
Ubuntu:20.04:LTS / arm-trusted-firmware
Package
- Name
- arm-trusted-firmware
- Purl
- pkg:deb/ubuntu/arm-trusted-firmware@2.2-2?arch=source&distro=focal
Ubuntu:22.04:LTS / arm-trusted-firmware
Package
- Name
- arm-trusted-firmware
- Purl
- pkg:deb/ubuntu/arm-trusted-firmware@2.6+dfsg-1?arch=source&distro=jammy
Ubuntu:24.10 / arm-trusted-firmware
Package
- Name
- arm-trusted-firmware
- Purl
- pkg:deb/ubuntu/arm-trusted-firmware@2.10.0+dfsg-1build2?arch=source&distro=oracular