{"api_version":"1","generated_at":"2026-07-23T12:47:41+00:00","cve":"CVE-2024-46745","urls":{"html":"https://cve.report/CVE-2024-46745","api":"https://cve.report/api/cve/CVE-2024-46745.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2024-46745","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-46745"},"summary":{"title":"Input: uinput - reject requests with unreasonable number of slots","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: uinput - reject requests with unreasonable number of slots\n\n\nWhen exercising uinput interface syzkaller may try setting up device\nwith a really large number of slots, which causes memory allocation\nfailure in input_mt_init_slots(). While this allocation failure is\nhandled properly and request is rejected, it results in syzkaller\nreports. Additionally, such request may put undue burden on the\nsystem which will try to free a lot of memory for a bogus request.\n\nFix it by limiting allowed number of slots to 100. This can easily\nbe extended if we see devices that can track more than 100 contacts.","state":"PUBLISHED","assigner":"Linux","published_at":"2024-09-18 08:15:03","updated_at":"2026-05-12 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the Linux kernel, the following vulnerability has been resolved:\n\nInput: uinput - reject requests with unreasonable number of slots\n\n\nWhen exercising uinput interface syzkaller may try setting up device\nwith a really large number of slots, which causes memory allocation\nfailure in input_mt_init_slots(). While this allocation failure is\nhandled properly and request is rejected, it results in syzkaller\nreports. Additionally, such request may put undue burden on the\nsystem which will try to free a lot of memory for a bogus request.\n\nFix it by limiting allowed number of slots to 100. This can easily\nbe extended if we see devices that can track more than 100 contacts."}],"providerMetadata":{"dateUpdated":"2026-05-11T20:35:35.091Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/9c6d189f0c1c59ba9a32326ec82a0b367a3cd47b"},{"url":"https://git.kernel.org/stable/c/597ff930296c4c8fc6b6a536884d4f1a7187ec70"},{"url":"https://git.kernel.org/stable/c/51fa08edd80003db700bdaa099385c5900d27f4b"},{"url":"https://git.kernel.org/stable/c/9719687398dea8a6a12a10321a54dd75eec7ab2d"},{"url":"https://git.kernel.org/stable/c/61df76619e270a46fd427fbdeb670ad491c42de2"},{"url":"https://git.kernel.org/stable/c/a4858b00a1ec57043697fb935565fe267f161833"},{"url":"https://git.kernel.org/stable/c/d76fc0f0b18d49b7e721c9e4975ef4bffde2f3e7"},{"url":"https://git.kernel.org/stable/c/206f533a0a7c683982af473079c4111f4a0f9f5e"}],"title":"Input: uinput - reject requests with unreasonable number of slots","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2024-46745","datePublished":"2024-09-18T07:12:05.798Z","dateReserved":"2024-09-11T15:12:18.266Z","dateUpdated":"2026-05-12T11:57:50.187Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2024-09-18 08:15:03","lastModifiedDate":"2026-05-12 12:17:11","problem_types":["CWE-770"],"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:*:*:*:*:*:*:*:*","versionEndExcluding":"4.19.322","matchCriteriaId":"29162FB8-5FA4-4DC4-86CE-5EB0CAEEF2F3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.284","matchCriteriaId":"6265A402-9C3C-438F-BFC5-4194B2568B85"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.226","matchCriteriaId":"864FC17C-501A-4823-A643-6F35D65D8A97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.167","matchCriteriaId":"043405A4-25FE-45D4-A7BB-2A0C3B7D17C1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.110","matchCriteriaId":"6B1A95FC-7E7E-428B-BB59-F76640C652AE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.51","matchCriteriaId":"E4529134-BAC4-4776-840B-304009E181A0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.10.10","matchCriteriaId":"ACDEE48C-137A-4731-90D0-A675865E1BED"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*","matchCriteriaId":"8B3CE743-2126-47A3-8B7C-822B502CF119"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*","matchCriteriaId":"4DEB27E7-30AA-45CC-8934-B89263EF3551"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*","matchCriteriaId":"E0005AEF-856E-47EB-BFE4-90C46899394D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*","matchCriteriaId":"39889A68-6D34-47A6-82FC-CD0BF23D6754"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2024","CveId":"46745","Ordinal":"1","Title":"Input: uinput - reject requests with unreasonable number of slot","CVE":"CVE-2024-46745","Year":"2024"},"notes":[{"CveYear":"2024","CveId":"46745","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: uinput - reject requests with unreasonable number of slots\n\n\nWhen exercising uinput interface syzkaller may try setting up device\nwith a really large number of slots, which causes memory allocation\nfailure in input_mt_init_slots(). While this allocation failure is\nhandled properly and request is rejected, it results in syzkaller\nreports. Additionally, such request may put undue burden on the\nsystem which will try to free a lot of memory for a bogus request.\n\nFix it by limiting allowed number of slots to 100. This can easily\nbe extended if we see devices that can track more than 100 contacts.","Type":"Description","Title":"Input: uinput - reject requests with unreasonable number of slot"}]}}}