{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-40020", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.152Z", "datePublished": "2025-10-24T12:24:56.311Z", "dateUpdated": "2026-05-11T21:40:55.650Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:40:55.650Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: peak_usb: fix shift-out-of-bounds issue\n\nExplicitly uses a 64-bit constant when the number of bits used for its\nshifting is 32 (which is the case for PC CAN FD interfaces supported by\nthis driver).\n\n[mkl: update subject, apply manually]"}], "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_core.c"], "versions": [{"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d", "lessThan": "572c656802781cc57f4a3231eefa83547e75ed78", "status": "affected", "versionType": "git"}, {"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d", "lessThan": "61b1dd4c614935169d12bdecc26906e37b508618", "status": "affected", "versionType": "git"}, {"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d", "lessThan": "48822a59ecc47d353400d38b1941d3ae7591ffff", "status": "affected", "versionType": "git"}, {"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d", "lessThan": "176c81cbf9c4e348610a421aad800087c0401f60", "status": "affected", "versionType": "git"}, {"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d", "lessThan": "17edec1830e48c0becd61642d0e40bc753243b16", "status": "affected", "versionType": "git"}, {"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d", "lessThan": "eb79ed970670344380e77d62f8188e8015648d94", "status": "affected", "versionType": "git"}, {"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d", "lessThan": "394c58017e5f41043584c345106cae16a4613710", "status": "affected", "versionType": "git"}, {"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d", "lessThan": "c443be70aaee42c2d1d251e0329e0a69dd96ae54", "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_core.c"], "versions": [{"version": "3.4", "status": "affected"}, {"version": "0", "lessThan": "3.4", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.300", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.245", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.194", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.155", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.109", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.50", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.10", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17", "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": "5.4.300"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4", "versionEndExcluding": "5.10.245"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4", "versionEndExcluding": "5.15.194"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4", "versionEndExcluding": "6.1.155"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4", "versionEndExcluding": "6.6.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4", "versionEndExcluding": "6.12.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4", "versionEndExcluding": "6.16.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4", "versionEndExcluding": "6.17"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/572c656802781cc57f4a3231eefa83547e75ed78"}, {"url": "https://git.kernel.org/stable/c/61b1dd4c614935169d12bdecc26906e37b508618"}, {"url": "https://git.kernel.org/stable/c/48822a59ecc47d353400d38b1941d3ae7591ffff"}, {"url": "https://git.kernel.org/stable/c/176c81cbf9c4e348610a421aad800087c0401f60"}, {"url": "https://git.kernel.org/stable/c/17edec1830e48c0becd61642d0e40bc753243b16"}, {"url": "https://git.kernel.org/stable/c/eb79ed970670344380e77d62f8188e8015648d94"}, {"url": "https://git.kernel.org/stable/c/394c58017e5f41043584c345106cae16a4613710"}, {"url": "https://git.kernel.org/stable/c/c443be70aaee42c2d1d251e0329e0a69dd96ae54"}], "title": "can: peak_usb: fix shift-out-of-bounds issue", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: peak_usb: fix shift-out-of-bounds issue\n\nExplicitly uses a 64-bit constant when the number of bits used for its\nshifting is 32 (which is the case for PC CAN FD interfaces supported by\nthis driver).\n\n[mkl: update subject, apply manually]"}], "id": "CVE-2025-40020", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-10-24T13:15:47.107", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/176c81cbf9c4e348610a421aad800087c0401f60"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/17edec1830e48c0becd61642d0e40bc753243b16"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/394c58017e5f41043584c345106cae16a4613710"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/48822a59ecc47d353400d38b1941d3ae7591ffff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/572c656802781cc57f4a3231eefa83547e75ed78"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/61b1dd4c614935169d12bdecc26906e37b508618"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c443be70aaee42c2d1d251e0329e0a69dd96ae54"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eb79ed970670344380e77d62f8188e8015648d94"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: can: peak_usb: fix shift-out-of-bounds issue", "id": "2406203", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2406203"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-40020", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-10-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-40020\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-40020\nhttps://lore.kernel.org/linux-cve-announce/2025102402-CVE-2025-40020-490f@gregkh/T"], "threat_severity": "Important"}

{"created": "2025-10-27T22:12:52.446300+00:00", "updated": "2025-10-27T22:12:52.446324+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}