{ "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": "2026-05-11T13:56:17.490Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:56:17.490Z" }, "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" ] } ] } ] } }