{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74460","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-15T05:44:03.901Z","datePublished":"2026-08-15T12:27:01.274Z","dateUpdated":"2026-08-19T16:36:57.996Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-19T16:36:57.996Z"},"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/can/usb/ems_usb.c"],"versions":[{"version":"702171adeed3607ee9603ec30ce081411e36ae42","lessThan":"bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6","status":"affected","versionType":"git"},{"version":"702171adeed3607ee9603ec30ce081411e36ae42","lessThan":"db5655287d78f00daf98888a520bb8da4d30126d","status":"affected","versionType":"git"},{"version":"702171adeed3607ee9603ec30ce081411e36ae42","lessThan":"ce8125566b1d0b0f16449407e014addf451804ea","status":"affected","versionType":"git"},{"version":"702171adeed3607ee9603ec30ce081411e36ae42","lessThan":"0b9090717c7e2184e2c427bbcc752f295116ac1d","status":"affected","versionType":"git"},{"version":"702171adeed3607ee9603ec30ce081411e36ae42","lessThan":"0b23144c59c126beb4a7761a85a194ae0fe668a5","status":"affected","versionType":"git"},{"version":"702171adeed3607ee9603ec30ce081411e36ae42","lessThan":"df3ac2a672a5284441f120d486acabdd6740fc2a","status":"affected","versionType":"git"},{"version":"702171adeed3607ee9603ec30ce081411e36ae42","lessThan":"02925f51377f2a42a6724f00549167499c9302e5","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/net/can/usb/ems_usb.c"],"versions":[{"version":"2.6.32","status":"affected"},{"version":"0","lessThan":"2.6.32","status":"unaffected","versionType":"semver"},{"version":"5.15.216","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.183","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.151","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.103","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.44","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.8","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","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":"2.6.32","versionEndExcluding":"5.15.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"6.6.151"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"6.12.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"6.18.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"7.1.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"7.2"}]}]}],"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"}}}}