{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47522","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-24T15:02:54.825Z","datePublished":"2024-05-24T15:09:35.118Z","dateUpdated":"2025-12-18T11:37:49.978Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-18T11:37:49.978Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: bigbenff: prevent null pointer dereference\n\nWhen emulating the device through uhid, there is a chance we don't have\noutput reports and so report_field is null."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-bigbenff.c"],"versions":[{"version":"256a90ed9e46b270bbc4e15ef05216ff049c3721","lessThan":"8e0ceff632f48175ec7fb4706129c55ca8a7c7bd","status":"affected","versionType":"git"},{"version":"256a90ed9e46b270bbc4e15ef05216ff049c3721","lessThan":"6272b17001e6fdcf7b4a16206287010a1523fa6e","status":"affected","versionType":"git"},{"version":"256a90ed9e46b270bbc4e15ef05216ff049c3721","lessThan":"58f15f5ae7786c824868f3a7e093859b74669ce7","status":"affected","versionType":"git"},{"version":"256a90ed9e46b270bbc4e15ef05216ff049c3721","lessThan":"918aa1ef104d286d16b9e7ef139a463ac7a296f0","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-bigbenff.c"],"versions":[{"version":"4.20","status":"affected"},{"version":"0","lessThan":"4.20","status":"unaffected","versionType":"semver"},{"version":"5.4.165","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.85","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.8","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16","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":"4.20","versionEndExcluding":"5.4.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.10.85"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.15.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd"},{"url":"https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e"},{"url":"https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7"},{"url":"https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0"}],"title":"HID: bigbenff: prevent null pointer dereference","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47522","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-28T15:21:40.399716Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:14:47.355Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:39:59.612Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0","tags":["x_transferred"]}]}]}}