CVE-2026-41516

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{"affected": [{"affectedData": [{"product": "optee_os", "vendor": "OP-TEE", "versions": [{"status": "affected", "version": ">= 4.5.0, < 4.11.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:trustedfirmware:op-tee:*:*:*:*:*:*:*:*", "matchCriteriaId": "8B93151E-CC12-4D48-8C7F-FE2EF4FF519E", "versionEndIncluding": "4.10.0", "versionStartIncluding": "4.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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 4.5.0 and prior to version 4.11.0, the RSA PKCS#1 v1.5 decryption implementation in the Hisilicon HPRE crypto driver uses non-constant-time `memcmp()` for label hash verification and has multiple distinguishable error paths. This creates a Bleichenbacher-style padding oracle that allows an attacker to recover RSA PKCS#1 v1.5 plaintext. Version 4.11.0 contains a patch. As a workaround, disable Hisilicon HPRE RSA driver with `CFG_HISILICON_ACC_V3=n`."}, {"lang": "es", "value": "OP-TEE es un Entorno de Ejecuci\u00f3n Confiable (TEE) dise\u00f1ado como compa\u00f1ero de un kernel de Linux no seguro ejecut\u00e1ndose en n\u00facleos Arm Cortex-A utilizando la tecnolog\u00eda TrustZone. A partir de la versi\u00f3n 4.5.0 y antes de la versi\u00f3n 4.11.0, la implementaci\u00f3n de descifrado RSA PKCS#1 v1.5 en el controlador criptogr\u00e1fico Hisilicon HPRE utiliza \u2019memcmp()\u2019 de tiempo no constante para la verificaci\u00f3n del hash de la etiqueta y tiene m\u00faltiples rutas de error distinguibles. Esto crea un or\u00e1culo de relleno estilo Bleichenbacher que permite a un atacante recuperar texto plano RSA PKCS#1 v1.5. La versi\u00f3n 4.11.0 contiene un parche. Como soluci\u00f3n alternativa, deshabilite el controlador RSA Hisilicon HPRE con \u2019CFG_HISILICON_ACC_V3=n\u2019."}], "id": "CVE-2026-41516", "lastModified": "2026-10-25T20:10:00.147", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 2.5, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-41516", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-06T19:47:50.040845Z", "version": "2.0.3"}}]}, "published": "2026-07-06T20:16:32.197", "references": [{"source": "security-advisories@github.com", "tags": ["Mitigation", "Vendor Advisory", "Exploit", "Patch"], "url": "https://github.com/OP-TEE/optee_os/security/advisories/GHSA-wxp6-8wwr-h4gf"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-208"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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