{"api_version":"1","generated_at":"2026-08-28T18:13:03+00:00","cve":"CVE-2026-74460","urls":{"html":"https://cve.report/CVE-2026-74460","api":"https://cve.report/api/cve/CVE-2026-74460.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74460","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74460"},"summary":{"title":"can: ems_usb: validate CPC message lengths","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: ems_usb: validate CPC message lengths\n\nems_usb_read_bulk_callback() walks CPC messages packed in one USB\nreceive buffer.\n\nCheck that each declared message fits in the URB payload. 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17:21:02"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/ce8125566b1d0b0f16449407e014addf451804ea","name":"https://git.kernel.org/stable/c/ce8125566b1d0b0f16449407e014addf451804ea","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0b23144c59c126beb4a7761a85a194ae0fe668a5","name":"https://git.kernel.org/stable/c/0b23144c59c126beb4a7761a85a194ae0fe668a5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/02925f51377f2a42a6724f00549167499c9302e5","name":"https://git.kernel.org/stable/c/02925f51377f2a42a6724f00549167499c9302e5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0b9090717c7e2184e2c427bbcc752f295116ac1d","name":"https://git.kernel.org/stable/c/0b9090717c7e2184e2c427bbcc752f295116ac1d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/df3ac2a672a5284441f120d486acabdd6740fc2a","name":"https://git.kernel.org/stable/c/df3ac2a672a5284441f120d486acabdd6740fc2a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6","name":"https://git.kernel.org/stable/c/bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/db5655287d78f00daf98888a520bb8da4d30126d","name":"https://git.kernel.org/stable/c/db5655287d78f00daf98888a520bb8da4d30126d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74460","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74460","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 702171adeed3607ee9603ec30ce081411e36ae42 bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 702171adeed3607ee9603ec30ce081411e36ae42 db5655287d78f00daf98888a520bb8da4d30126d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 702171adeed3607ee9603ec30ce081411e36ae42 ce8125566b1d0b0f16449407e014addf451804ea git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 702171adeed3607ee9603ec30ce081411e36ae42 0b9090717c7e2184e2c427bbcc752f295116ac1d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.103 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.44 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.8 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"74460","cve":"CVE-2026-74460","epss":"0.001680000","percentile":"0.065320000","score_date":"2026-08-19","updated_at":"2026-08-20 00:13:09"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/can/usb/ems_usb.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6","status":"affected","version":"702171adeed3607ee9603ec30ce081411e36ae42","versionType":"git"},{"lessThan":"db5655287d78f00daf98888a520bb8da4d30126d","status":"affected","version":"702171adeed3607ee9603ec30ce081411e36ae42","versionType":"git"},{"lessThan":"ce8125566b1d0b0f16449407e014addf451804ea","status":"affected","version":"702171adeed3607ee9603ec30ce081411e36ae42","versionType":"git"},{"lessThan":"0b9090717c7e2184e2c427bbcc752f295116ac1d","status":"affected","version":"702171adeed3607ee9603ec30ce081411e36ae42","versionType":"git"},{"lessThan":"0b23144c59c126beb4a7761a85a194ae0fe668a5","status":"affected","version":"702171adeed3607ee9603ec30ce081411e36ae42","versionType":"git"},{"lessThan":"df3ac2a672a5284441f120d486acabdd6740fc2a","status":"affected","version":"702171adeed3607ee9603ec30ce081411e36ae42","versionType":"git"},{"lessThan":"02925f51377f2a42a6724f00549167499c9302e5","status":"affected","version":"702171adeed3607ee9603ec30ce081411e36ae42","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/can/usb/ems_usb.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.32"},{"lessThan":"2.6.32","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.216","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.183","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.151","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.103","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.44","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.216","versionStartIncluding":"2.6.32","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.183","versionStartIncluding":"2.6.32","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.151","versionStartIncluding":"2.6.32","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.103","versionStartIncluding":"2.6.32","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.44","versionStartIncluding":"2.6.32","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.8","versionStartIncluding":"2.6.32","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"2.6.32","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: ems_usb: validate CPC message lengths\n\nems_usb_read_bulk_callback() walks CPC messages packed in one USB\nreceive buffer.\n\nCheck that each declared message fits in the URB payload. Also require the\ntype-specific payload to cover the fields used by the CAN, state, error and\noverrun handlers."}],"providerMetadata":{"dateUpdated":"2026-08-19T16:36:57.996Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6"},{"url":"https://git.kernel.org/stable/c/db5655287d78f00daf98888a520bb8da4d30126d"},{"url":"https://git.kernel.org/stable/c/ce8125566b1d0b0f16449407e014addf451804ea"},{"url":"https://git.kernel.org/stable/c/0b9090717c7e2184e2c427bbcc752f295116ac1d"},{"url":"https://git.kernel.org/stable/c/0b23144c59c126beb4a7761a85a194ae0fe668a5"},{"url":"https://git.kernel.org/stable/c/df3ac2a672a5284441f120d486acabdd6740fc2a"},{"url":"https://git.kernel.org/stable/c/02925f51377f2a42a6724f00549167499c9302e5"}],"title":"can: ems_usb: validate CPC message lengths","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74460","datePublished":"2026-08-15T12:27:01.274Z","dateReserved":"2026-08-15T05:44:03.901Z","dateUpdated":"2026-08-19T16:36:57.996Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 13:17:50","lastModifiedDate":"2026-08-19 17:21:02","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74460","Ordinal":"1","Title":"can: ems_usb: validate CPC message lengths","CVE":"CVE-2026-74460","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74460","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: ems_usb: validate CPC message lengths\n\nems_usb_read_bulk_callback() walks CPC messages packed in one USB\nreceive buffer.\n\nCheck that each declared message fits in the URB payload. Also require the\ntype-specific payload to cover the fields used by the CAN, state, error and\noverrun handlers.","Type":"Description","Title":"can: ems_usb: validate CPC message lengths"}]}}}