{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74455", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.900Z", "datePublished": "2026-08-15T12:26:58.175Z", "dateUpdated": "2026-08-19T16:36:48.775Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-19T16:36:48.775Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: peak_usb: validate uCAN receive record lengths\n\npcan_usb_fd_decode_buf() walks uCAN records packed in one USB\nreceive buffer.\n\nRequire each record to contain the fixed header for its type, and verify\nCAN payload bytes before copying them into the skb."}], "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_fd.c"], "versions": [{"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "lessThan": "276d989cd2dd88e2b7ab2c96fd10c86836b12781", "status": "affected", "versionType": "git"}, {"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "lessThan": "bf9d787b7e1ef59be19b35abca08194772deb97e", "status": "affected", "versionType": "git"}, {"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "lessThan": "89c92a8052698dbbd3652a77c04d02bbd74a3275", "status": "affected", "versionType": "git"}, {"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "lessThan": "6067c878e38d02a3d5c43497347e143f85c9064a", "status": "affected", "versionType": "git"}, {"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "lessThan": "2c8f08f3641a074da40acf05baa5a18ae2739260", "status": "affected", "versionType": "git"}, {"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "lessThan": "2427ef427bdd78d862c7c76597bfd9eda88b81f1", "status": "affected", "versionType": "git"}, {"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "lessThan": "d9c115948c3dd5fcc2d0245cec5eb76c098503c8", "status": "affected", "versionType": "git"}, {"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "lessThan": "93fcab2c6968446316bbb49548848df604d6346f", "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_fd.c"], "versions": [{"version": "4.0", "status": "affected"}, {"version": "0", "lessThan": "4.0", "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": "4.0", "versionEndExcluding": "5.10.265"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "5.15.216"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "6.1.183"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "6.6.151"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "6.12.103"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "6.18.44"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "7.1.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/276d989cd2dd88e2b7ab2c96fd10c86836b12781"}, {"url": "https://git.kernel.org/stable/c/bf9d787b7e1ef59be19b35abca08194772deb97e"}, {"url": "https://git.kernel.org/stable/c/89c92a8052698dbbd3652a77c04d02bbd74a3275"}, {"url": "https://git.kernel.org/stable/c/6067c878e38d02a3d5c43497347e143f85c9064a"}, {"url": "https://git.kernel.org/stable/c/2c8f08f3641a074da40acf05baa5a18ae2739260"}, {"url": "https://git.kernel.org/stable/c/2427ef427bdd78d862c7c76597bfd9eda88b81f1"}, {"url": "https://git.kernel.org/stable/c/d9c115948c3dd5fcc2d0245cec5eb76c098503c8"}, {"url": "https://git.kernel.org/stable/c/93fcab2c6968446316bbb49548848df604d6346f"}], "title": "can: peak_usb: validate uCAN receive record lengths", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/can/usb/peak_usb/pcan_usb_fd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "276d989cd2dd88e2b7ab2c96fd10c86836b12781", "status": "affected", "version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "versionType": "git"}, {"lessThan": "bf9d787b7e1ef59be19b35abca08194772deb97e", "status": "affected", "version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "versionType": "git"}, {"lessThan": "89c92a8052698dbbd3652a77c04d02bbd74a3275", "status": "affected", "version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "versionType": "git"}, {"lessThan": "6067c878e38d02a3d5c43497347e143f85c9064a", "status": "affected", "version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "versionType": "git"}, {"lessThan": "2c8f08f3641a074da40acf05baa5a18ae2739260", "status": "affected", "version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "versionType": "git"}, {"lessThan": "2427ef427bdd78d862c7c76597bfd9eda88b81f1", "status": "affected", "version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "versionType": "git"}, {"lessThan": "d9c115948c3dd5fcc2d0245cec5eb76c098503c8", "status": "affected", "version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "versionType": "git"}, {"lessThan": "93fcab2c6968446316bbb49548848df604d6346f", "status": "affected", "version": "0a25e1f4f18566b750ebd3ae995af64e23111e63", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/can/usb/peak_usb/pcan_usb_fd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.0"}, {"lessThan": "4.0", "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: validate uCAN receive record lengths\n\npcan_usb_fd_decode_buf() walks uCAN records packed in one USB\nreceive buffer.\n\nRequire each record to contain the fixed header for its type, and verify\nCAN payload bytes before copying them into the skb."}], "id": "CVE-2026-74455", "lastModified": "2026-08-19T17:21:02.253", "metrics": {}, "published": "2026-08-15T13:17:50.120", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2427ef427bdd78d862c7c76597bfd9eda88b81f1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/276d989cd2dd88e2b7ab2c96fd10c86836b12781"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2c8f08f3641a074da40acf05baa5a18ae2739260"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6067c878e38d02a3d5c43497347e143f85c9064a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89c92a8052698dbbd3652a77c04d02bbd74a3275"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/93fcab2c6968446316bbb49548848df604d6346f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bf9d787b7e1ef59be19b35abca08194772deb97e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d9c115948c3dd5fcc2d0245cec5eb76c098503c8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: can: peak_usb: validate uCAN receive record lengths", "id": "2517036", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517036"}, "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-805", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncan: peak_usb: validate uCAN receive record lengths\npcan_usb_fd_decode_buf() walks uCAN records packed in one USB\nreceive buffer.\nRequire each record to contain the fixed header for its type, and verify\nCAN payload bytes before copying them into the skb.", "A flaw was found in the Linux kernel's `peak_usb` Controller Area Network (CAN) driver. This vulnerability arises from insufficient validation of uCAN receive record lengths when processing data from a Universal Serial Bus (USB) receive buffer. A local attacker could potentially exploit this by sending specially crafted uCAN records, leading to memory corruption and potentially a denial of service."], "name": "CVE-2026-74455", "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-74455\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-74455\nhttps://lore.kernel.org/linux-cve-announce/2026081531-CVE-2026-74455-b371@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0a25e1f4f18566b750ebd3ae995af64e23111e63,6067c878e38d02a3d5c43497347e143f85c9064a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0a25e1f4f18566b750ebd3ae995af64e23111e63,2c8f08f3641a074da40acf05baa5a18ae2739260)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0a25e1f4f18566b750ebd3ae995af64e23111e63,2427ef427bdd78d862c7c76597bfd9eda88b81f1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0a25e1f4f18566b750ebd3ae995af64e23111e63,d9c115948c3dd5fcc2d0245cec5eb76c098503c8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0a25e1f4f18566b750ebd3ae995af64e23111e63,93fcab2c6968446316bbb49548848df604d6346f)"}}], "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": "generic", "value": "4.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.0)"}}, {"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": "generic", "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": "2026-08-15T14:30:10.513015+00:00", "updated": "2026-08-21T23:45:03.446553+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}