Vulnerability Description
An unprotected memory-access operation in optee_os in TrustedFirmware Open Portable Trusted Execution Environment (OP-TEE) before 3.20 allows a physically proximate adversary to bypass signature verification and install malicious trusted applications via electromagnetic fault injections.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linaro | Op-Tee | < 3.20 |
Related Weaknesses (CWE)
References
- https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6gThird Party Advisory
- https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_onExploitTechnical DescriptionVendor Advisory
- https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6gThird Party Advisory
- https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_onExploitTechnical DescriptionVendor Advisory
FAQ
What is CVE-2022-47549?
CVE-2022-47549 is a vulnerability with a CVSS score of 6.4 (MEDIUM). An unprotected memory-access operation in optee_os in TrustedFirmware Open Portable Trusted Execution Environment (OP-TEE) before 3.20 allows a physically proximate adversary to bypass signature verif...
How severe is CVE-2022-47549?
CVE-2022-47549 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-47549?
Check the references section above for vendor advisories and patch information. Affected products include: Linaro Op-Tee.