Vulnerability Report

CVE-2022-47549

Title: Linaro Op-Tee

Other

Proof Of Concept

No public PoC currently indexed for CVE-2022-47549.

CWE Category CWE-347
Published Date Dec 19, 2022
Modified Date Jun 05, 2026
Exploit Status Not Found
Score 6.4 CVSS v3.1
Exploit Probability (EPSS)
0.07%

Vulnerability Summary

CVE-2022-47549: 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.

Impacted Vendors

L
linaro 1
T
trustedfirmware 1

Reference Links

https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6g https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdf https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6g https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdf
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.4
Attack Vector
PHYSICAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity MEDIUM
6.4
Attack Vector
PHYSICAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-47549 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector PHYSICAL
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.