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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Exynos 850 firmware", "vendor": "Samsung", "versions": [{"lessThanOrEqual": "2025-12-23", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in MFC in Samsung Mobile Processor and Wearable Processor Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 2600, 1680, W920, W930, and W1000. A double-free vulnerability in the Exynos MFC encoder driver (due to improper cleanup of dma_buf references during error handling) leads to kernel memory corruption and potential arbitrary code execution."}], "id": "CVE-2026-23789", "lastModified": "2026-09-14T02:17:13.397", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.1, "impactScore": 6.0, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-09-14T02:17:13.397", "references": [{"source": "cve@mitre.org", "url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/"}, {"source": "cve@mitre.org", "url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-23789/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "cve@mitre.org", "type": "Primary"}]}

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