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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "exynos", "vendor": "samsung"}], "analysis": {"en": {"generated_at": "2026-04-07T02:11:19.094764+00:00", "value": {"mitigation_remediation": ["Apply the Samsung security update for CVE-2025-54602 to the Wi\u2011Fi driver firmware.", "If a patch is not yet available, restrict or serialize concurrent ioctl calls to the driver.", "Verify that devices are running the latest firmware version supplied by Samsung.", "Monitor system logs for signs of unexpected driver failures or memory corruption."], "summary": {"action": "Update", "impact": "Use\u2011After\u2011Free due to race condition in Wi\u2011Fi driver"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Samsung mobile and wearable processors Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000. All devices that run the current Wi\u2011Fi driver firmware may be susceptible; no more specific version information is provided.", "description_and_impact": "A race condition in the Wi\u2011Fi driver of several Samsung Exynos processors can cause improper synchronization on a global variable, resulting in a use\u2011after\u2011free. An attacker can trigger this by invoking an ioctl function concurrently from multiple threads, which may lead to memory corruption within the driver.", "risk_and_exploitability": "The CVSS score of 7 indicates a medium\u2011high severity, though no EPSS score is available and the flaw is not listed in CISA\u2019s KEV catalog. The attack vector appears to be local, requiring the ability to send ioctl requests to the driver, which typically implies physical access or elevated privilege. Because overcoming the race condition may be difficult, exploitation is likely complex but theoretically achievable."}}}}, "created": "2026-04-07T07:16:08.843449+00:00", "title": "Use-After-Free Vulnerability in Samsung Exynos Wi-Fi Driver", "updated": "2026-04-07T09:39:36.945653+00:00", "vendors": ["samsung", "samsung$PRODUCT$exynos"]}