CVE-2023-53077

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"en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes\n\n[WHY]\nWhen PTEBufferSizeInRequests is zero, UBSAN reports the following\nwarning because dml_log2 returns an unexpected negative value:\n\n shift exponent 4294966273 is too large for 32-bit type 'int'\n\n[HOW]\n\nIn the case PTEBufferSizeInRequests is zero, skip the dml_log2() and\nassign the result directly."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: corregir desplazamiento fuera de los l\u00edmites en CalculateVMAndRowBytes [POR QU\u00c9] Cuando PTEBufferSizeInRequests es cero, UBSAN informa la siguiente advertencia porque dml_log2 devuelve un valor negativo inesperado: el exponente de desplazamiento 4294966273 es demasiado grande para el tipo de 32 bits 'int' [C\u00d3MO] En el caso de que PTEBufferSizeInRequests sea cero, omita dml_log2() y asigne el resultado directamente."}], "id": "CVE-2023-53077", "lastModified": "2026-11-05T21:17:11.350", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-53077", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T20:16:33.876863Z", "version": "2.0.3"}}]}, "published": "2025-05-02T16:15:26.720", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": 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{"bugzilla": {"description": "kernel: drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes", "id": "2363752", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363752"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes\n[WHY]\nWhen PTEBufferSizeInRequests is zero, UBSAN reports the following\nwarning because dml_log2 returns an unexpected negative value:\nshift exponent 4294966273 is too large for 32-bit type 'int'\n[HOW]\nIn the case PTEBufferSizeInRequests is zero, skip the dml_log2() and\nassign the result directly."], "name": "CVE-2023-53077", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53077\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53077\nhttps://lore.kernel.org/linux-cve-announce/2025050215-CVE-2023-53077-4075@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-13T11:14:51.523701+00:00", "updated": "2025-07-13T11:14:51.523757+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}