{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63852", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.016Z", "datePublished": "2026-07-19T14:04:43.258Z", "dateUpdated": "2026-07-19T14:04:43.258Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T14:04:43.258Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/vcn: set no_user_fence for VCN v4.0.3 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 ff1a5a125c5a70c328806b9bc01d7d942cf3f9aa)"}], "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_v4_0_3.c"], "versions": [{"version": "b889ef4ac98837838c38f7b9f72bba2f33ee367d", "lessThan": "c12a5d35033c0640c57c10d7111c010c7b9c2c8e", "status": "affected", "versionType": "git"}, {"version": "b889ef4ac98837838c38f7b9f72bba2f33ee367d", "lessThan": "387b7c7667bd5c53549350ddad866d2fcf75a529", "status": "affected", "versionType": "git"}, {"version": "b889ef4ac98837838c38f7b9f72bba2f33ee367d", "lessThan": "9076a83e5adefd10dc5c967c7b8bde601c4c512a", "status": "affected", "versionType": "git"}, {"version": "b889ef4ac98837838c38f7b9f72bba2f33ee367d", "lessThan": "0177ac6141c8857130cf365369c74dee7b6b1f7f", "status": "affected", "versionType": "git"}, {"version": "b889ef4ac98837838c38f7b9f72bba2f33ee367d", "lessThan": "4532b52b34e4e4310386e6fdf6a643368599f522", "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_v4_0_3.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "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": "6.5", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c12a5d35033c0640c57c10d7111c010c7b9c2c8e"}, {"url": "https://git.kernel.org/stable/c/387b7c7667bd5c53549350ddad866d2fcf75a529"}, {"url": "https://git.kernel.org/stable/c/9076a83e5adefd10dc5c967c7b8bde601c4c512a"}, {"url": "https://git.kernel.org/stable/c/0177ac6141c8857130cf365369c74dee7b6b1f7f"}, {"url": "https://git.kernel.org/stable/c/4532b52b34e4e4310386e6fdf6a643368599f522"}], "title": "drm/amdgpu/vcn: set no_user_fence for VCN v4.0.3 enc ring", "x_generator": {"engine": "bippy-1.2.0"}}}}

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