CVE-2026-43603

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{"defaultStatus": "affected", "product": "AMD Radeon\u2122 PRO W6000 Series Graphics Products", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "Radeon Software for Linux 26.13"}]}, {"defaultStatus": "affected", "product": "AMD Radeon\u2122 RX 6000 Series Graphics Products", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "Radeon Software for Linux 26.13"}]}, {"defaultStatus": "affected", "product": "AMD Radeon\u2122 PRO W5000 Series Graphics Products", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "Radeon Software for Linux 26.13"}]}, {"defaultStatus": "affected", "product": "AMD Radeon\u2122 RX 5000 Series Graphics Products", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "Radeon Software for Linux 26.13"}]}, {"defaultStatus": "affected", "product": "AMD Instinct\u2122 MI210", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "Linux GPU Driver 31.40"}]}, {"defaultStatus": "affected", "product": 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"version": "Radeon Software for Linux 26.13"}]}], "source": "psirt@amd.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A NULL pointer dereference in the Linux GPU driver could potentially lead to a kernel crash and result in denial of service."}], "id": "CVE-2026-43603", "lastModified": "2026-11-03T16:17:31.747", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": 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{"bugzilla": {"description": "kernel: AMD Linux GPU driver: Denial of Service via NULL pointer dereference", "id": "2565972", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2565972"}, "csaw": false, "cwe": "CWE-476", "details": ["A NULL pointer dereference in the Linux GPU driver could potentially lead to a kernel crash and result in denial of service.", "A flaw was found in the AMD Linux GPU driver. This vulnerability allows a local user to cause a Denial of Service (DoS) by triggering an invalid memory access (a null pointer dereference) in the driver. Successful exploitation causes an operating system kernel crash."], "name": "CVE-2026-43603", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "erlang27", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-11-03T15:06:50Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43603\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43603\nhttps://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6034.html"], "statement": "This vulnerability is rated as Moderate impact because triggering the defect requires local access and results solely in a kernel panic and denial of service, without compromising host confidentiality or data integrity. Exposure is limited to systems equipped with physical AMD graphics hardware that actively load the associated kernel GPU driver. Headless server deployments, virtualized instances without GPU passthrough, and systems where this driver is not loaded are unaffected.", "threat_severity": "Moderate"}

{"created": "2026-11-03T17:15:02.106674+00:00", "title": "Kernel Denial of Service from NULL Pointer Dereference in Linux GPU Driver", "updated": "2026-11-03T17:15:02.106685+00:00", "vendors": []}