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Also reject pitch\nover 4096 to avoid overflow.\n\n(cherry picked from commit b41c8cb12e202b220353332ab87dc01a11f69304)"}], "id": "CVE-2026-80540", "lastModified": "2026-10-16T20:17:58.250", "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": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-80540", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T19:16:48.122962Z", "version": "2.0.3"}}]}, "published": "2026-08-26T15:17:08.257", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/25ee120f3803ad9e416ef9f76f4c3234cc4d645b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/271a7da84a6262a09de549912dcf6a749d169cb6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5cbd8af02b0b9c8723fa30edcf6fccab5170af8d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/60539d517e8439621532d8c01091ac049c596b4b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b7549e3f96c78921751c4b3e69af729662130d83"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b8bb9ba3f101a1b0011f785a577a4a0a38371174"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bc7397a033ac52f6d8c9bb6510d61694b2a3fce7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d058f7a6709441afe1784eecd8c0643dd84750bc"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: drm/amdgpu: Fix UVD decode image min size calculation", "id": "2524487", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524487"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amdgpu: Fix UVD decode image min size calculation\nThis needs to use pitch instead of width. Also reject pitch\nover 4096 to avoid overflow.\n(cherry picked from commit b41c8cb12e202b220353332ab87dc01a11f69304)", "A flaw was found in the Linux kernel's `drm/amdgpu` component, specifically within the Universal Video Decoder (UVD) image size calculation. This vulnerability occurs because the minimum image size calculation incorrectly uses `width` instead of `pitch` and fails to reject `pitch` values exceeding 4096. An attacker could potentially exploit this integer overflow to cause a denial of service."], "name": "CVE-2026-80540", "public_date": "2026-08-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80540\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80540\nhttps://lore.kernel.org/linux-cve-announce/2026082605-CVE-2026-80540-2460@gregkh/T"], "threat_severity": "Moderate"}

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