{"id":"CVE-2026-23789","aliases":["EUVD-2026-77153","GHSA-9jqf-p4p9-5v4p"],"status":"published","title":"An issue was discovered in MFC in Samsung Mobile Processor and Wearable Processor Exynos 850,...","description":"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.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00152,"percentile":0.04426,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-415"],"published":"2026-09-14T00:00:00Z","modified":"2026-09-22T19:56:19Z","products":[{"vendor":"samsung","product":"exynos 850 firmware"}],"references":[{"url":"https://semiconductor.samsung.com/support/quality-support/product-security-updates/"},{"url":"https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-23789/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23789"},{"url":"https://semiconductor.samsung.com/support/quality-support/product-security-updates"},{"url":"https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-23789"},{"url":"https://github.com/advisories/GHSA-9jqf-p4p9-5v4p"}],"sources":{"cve":[{"id":"CVE-2026-23789","description":"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.","status":"published","published":"2026-09-14T00:00:00Z","modified":"2026-09-16T14:24:26.056Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T13:42:04.39372Z"}],"euvd":[{"id":"EUVD-2026-77153","description":"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.","status":"published","published":"2026-09-14T00:00:00Z","modified":"2026-09-16T14:24:26Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:16.201278Z"}],"ghsa":[{"id":"GHSA-9jqf-p4p9-5v4p","title":"An issue was discovered in MFC in Samsung Mobile Processor and Wearable Processor Exynos 850,...","description":"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.","status":"published","published":"2026-09-14T03:30:21Z","modified":"2026-09-14T03:30:29Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T15:11:47.913221Z"}],"nvd":[{"id":"CVE-2026-23789","description":"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.","status":"published","published":"2026-09-14T02:17:13.397Z","modified":"2026-09-22T19:56:19.073Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T14:12:46.980627Z"}]}}