{"id":"CVE-2026-63843","title":"drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.5 ring","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.5 ring\n\nJPEG rings do not support 64-bit user fence writes, reject CS\nsubmissions with user fences.\n\n(cherry picked fro…","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 >= 8f98a715da8e906cff5c635f9eb5399b84751557 < 424510b60d4698a75a6ff71acdd88b528f0f39af","Linux >= 8f98a715da8e906cff5c635f9eb5399b84751557 < f26e3f7186cd6ecc93e6af102744d64c798dea7e","Linux >= 8f98a715da8e906cff5c635f9eb5399b84751557 < f9bc5633b761cff200c428f61ed0df6212b1c721","Linux >= 8f98a715da8e906cff5c635f9eb5399b84751557 < b65b7f3f3c18f797f81a2af7c97e2079900ad6db","Linux 6.7"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T15:31:47.757035Z"},"published":"2026-07-19","updated":"2026-10-16","sourceUpdated":"2026-10-16T15:42:06.426Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-63843","references":[{"url":"https://git.kernel.org/stable/c/424510b60d4698a75a6ff71acdd88b528f0f39af"},{"url":"https://git.kernel.org/stable/c/f26e3f7186cd6ecc93e6af102744d64c798dea7e"},{"url":"https://git.kernel.org/stable/c/f9bc5633b761cff200c428f61ed0df6212b1c721"},{"url":"https://git.kernel.org/stable/c/b65b7f3f3c18f797f81a2af7c97e2079900ad6db"}],"tags":["cve.org"],"epss":0.00175,"epssPercentile":0.0655,"ingestedAt":"2026-10-16T17:24:46.758Z","slug":"CVE-2026-63843","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.5 ring\n\nJPEG rings do not support 64-bit user fence writes, reject CS\nsubmissions with user fences.\n\n(cherry picked from commit f05d0a4f21fc720116d6e238f23308b199891058)\n\n## Affected\n\n- `Linux >= 8f98a715da8e906cff5c635f9eb5399b84751557 < 424510b60d4698a75a6ff71acdd88b528f0f39af`\n- `Linux >= 8f98a715da8e906cff5c635f9eb5399b84751557 < f26e3f7186cd6ecc93e6af102744d64c798dea7e`\n- `Linux >= 8f98a715da8e906cff5c635f9eb5399b84751557 < f9bc5633b761cff200c428f61ed0df6212b1c721`\n- `Linux >= 8f98a715da8e906cff5c635f9eb5399b84751557 < b65b7f3f3c18f797f81a2af7c97e2079900ad6db`\n- `Linux 6.7`\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":[]}