{"api_version":"1","generated_at":"2026-07-23T15:29:26+00:00","cve":"CVE-2026-53169","urls":{"html":"https://cve.report/CVE-2026-53169","api":"https://cve.report/api/cve/CVE-2026-53169.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53169","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53169"},"summary":{"title":"accel/ethosu: reject NPU_OP_RESIZE commands from userspace","description":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ethosu: reject NPU_OP_RESIZE commands from userspace\n\nNPU_OP_RESIZE is a U85-only command that the driver does not yet\nimplement. The existing WARN_ON(1) placeholder fires unconditionally\nwhenever userspace submits this command via DRM_IOCTL_ETHOSU_GEM_CREATE,\ncausing unbounded kernel log spam.\n\nIf panic_on_warn is set the kernel panics, giving any unprivileged user\nwith access to the DRM device a trivial denial-of-service primitive.\n\nReplace the WARN_ON(1) with an explicit -EINVAL return so the ioctl\nrejects the command before it reaches hardware.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-25 09:16:34","updated_at":"2026-07-06 18:26:08"},"problem_types":["CWE-617"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/ef911805d86a05363d3ec2fa9835a41def83bb7e","name":"https://git.kernel.org/stable/c/ef911805d86a05363d3ec2fa9835a41def83bb7e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/70090a32f56a4589e7e860e0f9a8fbe4417df0a1","name":"https://git.kernel.org/stable/c/70090a32f56a4589e7e860e0f9a8fbe4417df0a1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53169","name":"CVE 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the Linux kernel, the following vulnerability has been resolved:\n\naccel/ethosu: reject NPU_OP_RESIZE commands from userspace\n\nNPU_OP_RESIZE is a U85-only command that the driver does not yet\nimplement. The existing WARN_ON(1) placeholder fires unconditionally\nwhenever userspace submits this command via DRM_IOCTL_ETHOSU_GEM_CREATE,\ncausing unbounded kernel log spam.\n\nIf panic_on_warn is set the kernel panics, giving any unprivileged user\nwith access to the DRM device a trivial denial-of-service primitive.\n\nReplace the WARN_ON(1) with an explicit -EINVAL return so the ioctl\nrejects the command before it reaches hardware."}],"providerMetadata":{"dateUpdated":"2026-06-25T08:38:48.068Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/70090a32f56a4589e7e860e0f9a8fbe4417df0a1"},{"url":"https://git.kernel.org/stable/c/ef911805d86a05363d3ec2fa9835a41def83bb7e"}],"title":"accel/ethosu: reject NPU_OP_RESIZE commands from userspace","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53169","datePublished":"2026-06-25T08:38:48.068Z","dateReserved":"2026-06-09T07:44:35.389Z","dateUpdated":"2026-06-25T08:38:48.068Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-25 09:16:34","lastModifiedDate":"2026-07-06 18:26:08","problem_types":["CWE-617"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.0.13","matchCriteriaId":"6A64BF9F-3BCA-42FD-98CB-8F03474D2B1E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*","matchCriteriaId":"B1EF7059-E670-45F4-B422-54C40FA86390"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*","matchCriteriaId":"0D38F0BF-A728-4133-A358-D44A2F7EE6D6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*","matchCriteriaId":"EC732D08-5F7B-46D9-B154-E60C7F4F0A97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*","matchCriteriaId":"E5910A9D-F60A-409A-B486-FE66BFEBA9B9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc5:*:*:*:*:*:*","matchCriteriaId":"81DFF19E-9CF8-49C6-8C36-1E4038622933"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc6:*:*:*:*:*:*","matchCriteriaId":"B0E8FC71-3952-444C-83E9-718DBBBEC615"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53169","Ordinal":"1","Title":"accel/ethosu: reject NPU_OP_RESIZE commands from userspace","CVE":"CVE-2026-53169","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53169","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ethosu: reject NPU_OP_RESIZE commands from userspace\n\nNPU_OP_RESIZE is a U85-only command that the driver does not yet\nimplement. The existing WARN_ON(1) placeholder fires unconditionally\nwhenever userspace submits this command via DRM_IOCTL_ETHOSU_GEM_CREATE,\ncausing unbounded kernel log spam.\n\nIf panic_on_warn is set the kernel panics, giving any unprivileged user\nwith access to the DRM device a trivial denial-of-service primitive.\n\nReplace the WARN_ON(1) with an explicit -EINVAL return so the ioctl\nrejects the command before it reaches hardware.","Type":"Description","Title":"accel/ethosu: reject NPU_OP_RESIZE commands from userspace"}]}}}