{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74457","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-15T05:44:03.900Z","datePublished":"2026-08-15T12:26:59.411Z","dateUpdated":"2026-08-19T16:36:52.931Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-19T16:36:52.931Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: peak_usb: add bounds check for USB channel index\n\nThe channel control index ctrl_idx is derived from rx->len which comes\ndirectly from a device USB payload. The mask 0x0f allows values 0-15, but\nthe array size of usb_if->dev[] is only 2. Values 2-15 cause heap\nout-of-bounds read, eventually causing kernel panic in the IRQ context.\n\nAdd bounds checking for ctrl_idx before the array access in both\npcan_usb_pro_handle_canmsg() and pcan_usb_pro_handle_error()."}],"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/peak_usb/pcan_usb_pro.c"],"versions":[{"version":"d8a199355f8f8a0797c00d98788d7282c9ea38bd","lessThan":"18b1a868a2cda66fb438007ba47ce5f2484db381","status":"affected","versionType":"git"},{"version":"d8a199355f8f8a0797c00d98788d7282c9ea38bd","lessThan":"0c9268457bd6e4058fe55b4db01b16661c2eacf5","status":"affected","versionType":"git"},{"version":"d8a199355f8f8a0797c00d98788d7282c9ea38bd","lessThan":"94fb6fe83ce152532b11b36730b30f3dc0c94217","status":"affected","versionType":"git"},{"version":"d8a199355f8f8a0797c00d98788d7282c9ea38bd","lessThan":"825c903ca3c98cd0cf0e3de8ab8f2604a5339b3f","status":"affected","versionType":"git"},{"version":"d8a199355f8f8a0797c00d98788d7282c9ea38bd","lessThan":"f97b7e5e1cdaae15cd95b3a360028c7929664969","status":"affected","versionType":"git"},{"version":"d8a199355f8f8a0797c00d98788d7282c9ea38bd","lessThan":"1acab790b7cecd4e144d1d18bdfe549e282f6b0b","status":"affected","versionType":"git"},{"version":"d8a199355f8f8a0797c00d98788d7282c9ea38bd","lessThan":"0149fdb50a30944827acf9600a2cc44de0325a7f","status":"affected","versionType":"git"},{"version":"d8a199355f8f8a0797c00d98788d7282c9ea38bd","lessThan":"39132f166ca8ce00ae60d8a9068e06a60943cc4b","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/peak_usb/pcan_usb_pro.c"],"versions":[{"version":"3.4","status":"affected"},{"version":"0","lessThan":"3.4","status":"unaffected","versionType":"semver"},{"version":"5.10.265","lessThanOrEqual":"5.10.*","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":"3.4","versionEndExcluding":"5.10.265"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"5.15.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"6.6.151"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"6.12.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"6.18.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"7.1.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/18b1a868a2cda66fb438007ba47ce5f2484db381"},{"url":"https://git.kernel.org/stable/c/0c9268457bd6e4058fe55b4db01b16661c2eacf5"},{"url":"https://git.kernel.org/stable/c/94fb6fe83ce152532b11b36730b30f3dc0c94217"},{"url":"https://git.kernel.org/stable/c/825c903ca3c98cd0cf0e3de8ab8f2604a5339b3f"},{"url":"https://git.kernel.org/stable/c/f97b7e5e1cdaae15cd95b3a360028c7929664969"},{"url":"https://git.kernel.org/stable/c/1acab790b7cecd4e144d1d18bdfe549e282f6b0b"},{"url":"https://git.kernel.org/stable/c/0149fdb50a30944827acf9600a2cc44de0325a7f"},{"url":"https://git.kernel.org/stable/c/39132f166ca8ce00ae60d8a9068e06a60943cc4b"}],"title":"can: peak_usb: add bounds check for USB channel index","x_generator":{"engine":"bippy-1.2.0"}}}}