{"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"}}}}

{}

{"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": "18b1a868a2cda66fb438007ba47ce5f2484db381", "status": "affected", "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd", "versionType": "git"}, {"lessThan": "0c9268457bd6e4058fe55b4db01b16661c2eacf5", "status": "affected", "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd", "versionType": "git"}, {"lessThan": "94fb6fe83ce152532b11b36730b30f3dc0c94217", "status": "affected", "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd", "versionType": "git"}, {"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": "5.10.*", "status": "unaffected", "version": "5.10.265", "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"}]}], "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": "2026-08-19T17:21:02.533", "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/0c9268457bd6e4058fe55b4db01b16661c2eacf5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/18b1a868a2cda66fb438007ba47ce5f2484db381"}, {"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/94fb6fe83ce152532b11b36730b30f3dc0c94217"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f97b7e5e1cdaae15cd95b3a360028c7929664969"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: can: peak_usb: add bounds check for USB channel index", "id": "2517001", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517001"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncan: peak_usb: add bounds check for USB channel index\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.\nAdd bounds checking for ctrl_idx before the array access in both\npcan_usb_pro_handle_canmsg() and pcan_usb_pro_handle_error().", "A flaw was found in the Linux kernel's `peak_usb` module. A malicious USB device could send a specially crafted payload, leading to a heap out-of-bounds read. This vulnerability can cause a kernel panic, resulting in a Denial of Service (DoS) for the affected system."], "name": "CVE-2026-74457", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-74457\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-74457\nhttps://lore.kernel.org/linux-cve-announce/2026081532-CVE-2026-74457-9237@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8a199355f8f8a0797c00d98788d7282c9ea38bd,825c903ca3c98cd0cf0e3de8ab8f2604a5339b3f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8a199355f8f8a0797c00d98788d7282c9ea38bd,f97b7e5e1cdaae15cd95b3a360028c7929664969)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8a199355f8f8a0797c00d98788d7282c9ea38bd,1acab790b7cecd4e144d1d18bdfe549e282f6b0b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8a199355f8f8a0797c00d98788d7282c9ea38bd,0149fdb50a30944827acf9600a2cc44de0325a7f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8a199355f8f8a0797c00d98788d7282c9ea38bd,39132f166ca8ce00ae60d8a9068e06a60943cc4b)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.4"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.151,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.103,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.44,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.8,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc6,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-15T16:15:03.532334+00:00", "updated": "2026-08-22T05:00:13.394872+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}