{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63850", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.016Z", "datePublished": "2026-07-19T14:04:41.975Z", "dateUpdated": "2026-07-19T14:04:41.975Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T14:04:41.975Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring\n\nVCN encoder and decoder rings do not support 64-bit user fence writes,\nreject CS submissions with user fences.\n\n(cherry picked from commit 49b1fbbb5a071197ee71e2d70959b1cb29bdc317)"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c"], "versions": [{"version": "b6d1a06320519ac3bfda6ce81067a1bc409b9cff", "lessThan": "9f5a1459ecc3195282be617639d710b54779c9dc", "status": "affected", "versionType": "git"}, {"version": "b6d1a06320519ac3bfda6ce81067a1bc409b9cff", "lessThan": "139a8a52ef4349c62129703b3a3e3a6ae4d634eb", "status": "affected", "versionType": "git"}, {"version": "b6d1a06320519ac3bfda6ce81067a1bc409b9cff", "lessThan": "2c350f3cd94be847ac216e1358ec7001eaaf0934", "status": "affected", "versionType": "git"}, {"version": "b6d1a06320519ac3bfda6ce81067a1bc409b9cff", "lessThan": "8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c"], "versions": [{"version": "6.9", "status": "affected"}, {"version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9f5a1459ecc3195282be617639d710b54779c9dc"}, {"url": "https://git.kernel.org/stable/c/139a8a52ef4349c62129703b3a3e3a6ae4d634eb"}, {"url": "https://git.kernel.org/stable/c/2c350f3cd94be847ac216e1358ec7001eaaf0934"}, {"url": "https://git.kernel.org/stable/c/8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb"}], "title": "drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring", "x_generator": {"engine": "bippy-1.2.0"}}}}

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