{"id":"CVE-2026-68106","title":"drm/amdgpu: fix division by zero with invalid uvd dimensions","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix division by zero with invalid uvd dimensions\n\nWhen width or height is less than 16, width_in_mb or height_in_mb\nbecomes 0, leading to fs_in_mb being 0. …","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 004d0453cfef16f056cb7b8bc04f69f19cf9df32","Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 00ee64910ecf748cc15b23bbcbea472c203ec1e8","Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 81c9b4921f62d1642b9d775524ae9240e521a5ed","Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 52f9a588296432accf2982f7d258192a37562f4f","Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < a00946b5ab7c25da5685ca9c58f50ff6f43c0fdf","Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < ffb33d466a68cea3e8a3dbed04d79037a3cbabd1","Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < be725ab23aa45c11a5afef3e2a9f6d8c084ae5dc","Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 0c01c811be47e6b146552dd59bfedbea8f09b8f4","Linux 4.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T15:43:55.237133Z"},"published":"2026-08-10","updated":"2026-10-16","sourceUpdated":"2026-10-16T15:52:56.910Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68106","references":[{"url":"https://git.kernel.org/stable/c/004d0453cfef16f056cb7b8bc04f69f19cf9df32"},{"url":"https://git.kernel.org/stable/c/00ee64910ecf748cc15b23bbcbea472c203ec1e8"},{"url":"https://git.kernel.org/stable/c/81c9b4921f62d1642b9d775524ae9240e521a5ed"},{"url":"https://git.kernel.org/stable/c/52f9a588296432accf2982f7d258192a37562f4f"},{"url":"https://git.kernel.org/stable/c/a00946b5ab7c25da5685ca9c58f50ff6f43c0fdf"},{"url":"https://git.kernel.org/stable/c/ffb33d466a68cea3e8a3dbed04d79037a3cbabd1"},{"url":"https://git.kernel.org/stable/c/be725ab23aa45c11a5afef3e2a9f6d8c084ae5dc"},{"url":"https://git.kernel.org/stable/c/0c01c811be47e6b146552dd59bfedbea8f09b8f4"}],"tags":["cve.org"],"epss":0.00129,"epssPercentile":0.02266,"ingestedAt":"2026-10-16T17:24:46.839Z","slug":"CVE-2026-68106","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix division by zero with invalid uvd dimensions\n\nWhen width or height is less than 16, width_in_mb or height_in_mb\nbecomes 0, leading to fs_in_mb being 0. This causes a division by\nzero when calculating num_dpb_buffer in H264 and H264 Perf decode\npaths.\n\nAdd validation to reject frames with width < 16 or height < 16\nbefore performing any calculations that depend on these values.\n\nV2: Format change - move up all vaiable definitions.\nV3: Use warn_once to avoid spam.\n\n(cherry picked from commit 3e41d26c70b0a459d041cc19482a226c4b7423cb)\n\n## Affected\n\n- `Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 004d0453cfef16f056cb7b8bc04f69f19cf9df32`\n- `Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 00ee64910ecf748cc15b23bbcbea472c203ec1e8`\n- `Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 81c9b4921f62d1642b9d775524ae9240e521a5ed`\n- `Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 52f9a588296432accf2982f7d258192a37562f4f`\n- `Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < a00946b5ab7c25da5685ca9c58f50ff6f43c0fdf`\n- `Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < ffb33d466a68cea3e8a3dbed04d79037a3cbabd1`\n- `Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < be725ab23aa45c11a5afef3e2a9f6d8c084ae5dc`\n- `Linux >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 0c01c811be47e6b146552dd59bfedbea8f09b8f4`\n- `Linux 4.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}