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vuln-cve/data/2026/45xxx/CVE-2026-45702.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-45702",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-05-13T04:38:01.165Z",
"datePublished": "2026-06-03T17:55:18.331Z",
"dateUpdated": "2026-06-04T12:54:26.407Z"
},
"containers": {
"cna": {
"title": "OP-TEE has FF-A type confusion in SPMC tmem path that causes S-EL1 kernel panic",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-843",
"lang": "en",
"description": "CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/OP-TEE/optee_os/security/advisories/GHSA-86pj-8xgw-66p5",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/OP-TEE/optee_os/security/advisories/GHSA-86pj-8xgw-66p5"
}
],
"affected": [
{
"vendor": "OP-TEE",
"product": "optee_os",
"versions": [
{
"version": ">= 4.3.0, < 4.11.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-06-03T17:55:18.331Z"
},
"descriptions": [
{
"lang": "en",
"value": "OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 4.3.0 and prior to version 4.11.0, a type confusion vulnerability exists in OP-TEE OS when processing an FFA_MEM_SHARE request from the normal world. This only applies when OP-TEE is configured as an SPMC for S-EL0 SPs, that is, with `CFG_CORE_SEL1_SPMC=y` and `CFG_SECURE_PARTITION=y`. Version 4.11.0 fixes the issue."
}
],
"source": {
"advisory": "GHSA-86pj-8xgw-66p5",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-04T12:53:23.586093Z",
"id": "CVE-2026-45702",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-06-04T12:54:26.407Z"
}
}
]
}
}