{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47404","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T14:58:30.816Z","datePublished":"2024-05-21T15:03:58.021Z","dateUpdated":"2025-12-18T11:37:23.874Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-18T11:37:23.874Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: betop: fix slab-out-of-bounds Write in betop_probe\n\nSyzbot reported slab-out-of-bounds Write bug in hid-betopff driver.\nThe problem is the driver assumes the device must have an input report but\nsome malicious devices violate this assumption.\n\nSo this patch checks hid_device's input is non empty before it's been used."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-betopff.c"],"versions":[{"version":"52cd7785f3cdd2724f4efb5b21dbc75d6f9ccef4","lessThan":"a4faa7153b87fbcfe4be15f4278676f79ca6e019","status":"affected","versionType":"git"},{"version":"52cd7785f3cdd2724f4efb5b21dbc75d6f9ccef4","lessThan":"6fc4476dda58f6c00097c7ddec3b772513f57525","status":"affected","versionType":"git"},{"version":"52cd7785f3cdd2724f4efb5b21dbc75d6f9ccef4","lessThan":"1c83c38dec83d57bc18d0c01d82c413d3b34ccb9","status":"affected","versionType":"git"},{"version":"52cd7785f3cdd2724f4efb5b21dbc75d6f9ccef4","lessThan":"bb8b72374db69afa25a5b65cf1c092860c6fe914","status":"affected","versionType":"git"},{"version":"52cd7785f3cdd2724f4efb5b21dbc75d6f9ccef4","lessThan":"fe9bb925e7096509711660d39c0493a1546e9550","status":"affected","versionType":"git"},{"version":"52cd7785f3cdd2724f4efb5b21dbc75d6f9ccef4","lessThan":"dedfc35a2de2bae9fa3da8210a05bfd515f83fee","status":"affected","versionType":"git"},{"version":"52cd7785f3cdd2724f4efb5b21dbc75d6f9ccef4","lessThan":"708107b80aa616976d1c5fa60ac0c1390749db5e","status":"affected","versionType":"git"},{"version":"52cd7785f3cdd2724f4efb5b21dbc75d6f9ccef4","lessThan":"1e4ce418b1cb1a810256b5fb3fd33d22d1325993","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/hid/hid-betopff.c"],"versions":[{"version":"4.0","status":"affected"},{"version":"0","lessThan":"4.0","status":"unaffected","versionType":"semver"},{"version":"4.4.286","lessThanOrEqual":"4.4.*","status":"unaffected","versionType":"semver"},{"version":"4.9.285","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.249","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.209","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.151","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.71","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.14.10","lessThanOrEqual":"5.14.*","status":"unaffected","versionType":"semver"},{"version":"5.15","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":"4.0","versionEndExcluding":"4.4.286"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"4.9.285"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"4.14.249"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"4.19.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"5.4.151"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"5.10.71"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"5.14.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"5.15"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a4faa7153b87fbcfe4be15f4278676f79ca6e019"},{"url":"https://git.kernel.org/stable/c/6fc4476dda58f6c00097c7ddec3b772513f57525"},{"url":"https://git.kernel.org/stable/c/1c83c38dec83d57bc18d0c01d82c413d3b34ccb9"},{"url":"https://git.kernel.org/stable/c/bb8b72374db69afa25a5b65cf1c092860c6fe914"},{"url":"https://git.kernel.org/stable/c/fe9bb925e7096509711660d39c0493a1546e9550"},{"url":"https://git.kernel.org/stable/c/dedfc35a2de2bae9fa3da8210a05bfd515f83fee"},{"url":"https://git.kernel.org/stable/c/708107b80aa616976d1c5fa60ac0c1390749db5e"},{"url":"https://git.kernel.org/stable/c/1e4ce418b1cb1a810256b5fb3fd33d22d1325993"}],"title":"HID: betop: fix slab-out-of-bounds Write in betop_probe","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-06-11T17:40:32.628487Z","id":"CVE-2021-47404","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-11T17:42:16.335Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:39:59.325Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/a4faa7153b87fbcfe4be15f4278676f79ca6e019","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/6fc4476dda58f6c00097c7ddec3b772513f57525","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/1c83c38dec83d57bc18d0c01d82c413d3b34ccb9","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/bb8b72374db69afa25a5b65cf1c092860c6fe914","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/fe9bb925e7096509711660d39c0493a1546e9550","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/dedfc35a2de2bae9fa3da8210a05bfd515f83fee","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/708107b80aa616976d1c5fa60ac0c1390749db5e","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/1e4ce418b1cb1a810256b5fb3fd33d22d1325993","tags":["x_transferred"]}]}]}}