{"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": "2026-08-15T12:26:59.411Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T12:26:59.411Z"}, "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": "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": "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-rc6", "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": "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-rc6"}]}]}], "references": [{"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"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/can/usb/peak_usb/pcan_usb_pro.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "825c903ca3c98cd0cf0e3de8ab8f2604a5339b3f", "status": "affected", "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd", "versionType": "git"}, {"lessThan": "f97b7e5e1cdaae15cd95b3a360028c7929664969", "status": "affected", "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd", "versionType": "git"}, {"lessThan": "1acab790b7cecd4e144d1d18bdfe549e282f6b0b", "status": "affected", "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd", "versionType": "git"}, {"lessThan": "0149fdb50a30944827acf9600a2cc44de0325a7f", "status": "affected", "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd", "versionType": "git"}, {"lessThan": "39132f166ca8ce00ae60d8a9068e06a60943cc4b", "status": "affected", "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/can/usb/peak_usb/pcan_usb_pro.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.4"}, {"lessThan": "3.4", "status": "unaffected", "version": "0", "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-rc6", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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()."}], "id": "CVE-2026-74457", "lastModified": "2026-08-15T13:17:50.333", "metrics": {}, "published": "2026-08-15T13:17:50.333", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0149fdb50a30944827acf9600a2cc44de0325a7f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1acab790b7cecd4e144d1d18bdfe549e282f6b0b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/39132f166ca8ce00ae60d8a9068e06a60943cc4b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/825c903ca3c98cd0cf0e3de8ab8f2604a5339b3f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f97b7e5e1cdaae15cd95b3a360028c7929664969"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"created": "2026-08-15T16:15:03.532334+00:00", "updated": "2026-08-15T16:15:03.532340+00:00", "vendors": [], "weaknesses": ["CWE-129", "CWE-127"]}