CVE-2025-40020 (GCVE-0-2025-40020)
Vulnerability from cvelistv5 – Published: 2025-10-24 12:24 – Updated: 2026-05-11 21:40
VLAI
EPSS
VEX
Title
can: peak_usb: fix shift-out-of-bounds issue
Summary
In the Linux kernel, the following vulnerability has been resolved:
can: peak_usb: fix shift-out-of-bounds issue
Explicitly uses a 64-bit constant when the number of bits used for its
shifting is 32 (which is the case for PC CAN FD interfaces supported by
this driver).
[mkl: update subject, apply manually]
Severity
No CVSS data available.
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < 572c656802781cc57f4a3231eefa83547e75ed78
(git)
Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < 61b1dd4c614935169d12bdecc26906e37b508618 (git) Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < 48822a59ecc47d353400d38b1941d3ae7591ffff (git) Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < 176c81cbf9c4e348610a421aad800087c0401f60 (git) Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < 17edec1830e48c0becd61642d0e40bc753243b16 (git) Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < eb79ed970670344380e77d62f8188e8015648d94 (git) Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < 394c58017e5f41043584c345106cae16a4613710 (git) Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < c443be70aaee42c2d1d251e0329e0a69dd96ae54 (git) |
guessed | |
| Linux | Linux |
Affected:
3.4
Unaffected: 0 , < 3.4 (semver) Unaffected: 5.4.300 , ≤ 5.4.* (semver) Unaffected: 5.10.245 , ≤ 5.10.* (semver) Unaffected: 5.15.194 , ≤ 5.15.* (semver) Unaffected: 6.1.155 , ≤ 6.1.* (semver) Unaffected: 6.6.109 , ≤ 6.6.* (semver) Unaffected: 6.12.50 , ≤ 6.12.* (semver) Unaffected: 6.16.10 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
guessed |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/can/usb/peak_usb/pcan_usb_core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "572c656802781cc57f4a3231eefa83547e75ed78",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "61b1dd4c614935169d12bdecc26906e37b508618",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "48822a59ecc47d353400d38b1941d3ae7591ffff",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "176c81cbf9c4e348610a421aad800087c0401f60",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "17edec1830e48c0becd61642d0e40bc753243b16",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "eb79ed970670344380e77d62f8188e8015648d94",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "394c58017e5f41043584c345106cae16a4613710",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "c443be70aaee42c2d1d251e0329e0a69dd96ae54",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/can/usb/peak_usb/pcan_usb_core.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": "5.4.*",
"status": "unaffected",
"version": "5.4.300",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.245",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.194",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.155",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.109",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.50",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.16.*",
"status": "unaffected",
"version": "6.16.10",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.17",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.4.300",
"versionStartIncluding": "3.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.245",
"versionStartIncluding": "3.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.194",
"versionStartIncluding": "3.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.155",
"versionStartIncluding": "3.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.109",
"versionStartIncluding": "3.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.50",
"versionStartIncluding": "3.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.16.10",
"versionStartIncluding": "3.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.17",
"versionStartIncluding": "3.4",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"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]"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T21:40:55.650Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"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"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-40020",
"datePublished": "2025-10-24T12:24:56.311Z",
"dateReserved": "2025-04-16T07:20:57.152Z",
"dateUpdated": "2026-05-11T21:40:55.650Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-40020",
"date": "2026-09-19",
"epss": "0.00197",
"percentile": "0.09761"
},
"microsoft_vex": {
"current_release_date": "2025-10-26T01:01:30.000Z",
"cve": "CVE-2025-40020",
"id": "msrc_CVE-2025-40020",
"initial_release_date": "2025-10-02T00:00:00.000Z",
"product_status:fixed": "1",
"product_status:known_affected": "1",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "can: peak_usb: fix shift-out-of-bounds issue",
"url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-40020.json",
"version": "1"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/can/usb/peak_usb/pcan_usb_core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "572c656802781cc57f4a3231eefa83547e75ed78",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "61b1dd4c614935169d12bdecc26906e37b508618",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "48822a59ecc47d353400d38b1941d3ae7591ffff",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "176c81cbf9c4e348610a421aad800087c0401f60",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "17edec1830e48c0becd61642d0e40bc753243b16",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "eb79ed970670344380e77d62f8188e8015648d94",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "394c58017e5f41043584c345106cae16a4613710",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
},
{
"lessThan": "c443be70aaee42c2d1d251e0329e0a69dd96ae54",
"status": "affected",
"version": "bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/can/usb/peak_usb/pcan_usb_core.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": "5.4.*",
"status": "unaffected",
"version": "5.4.300",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.245",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.194",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.155",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.109",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.50",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.16.*",
"status": "unaffected",
"version": "6.16.10",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.17",
"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: 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": "2026-06-17T09:21:07.960",
"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"
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-30T10:16:27+00:00",
"cve": "CVE-2025-40020",
"id": "CVE-2025-40020",
"initial_release_date": "2025-10-24T00:00:00+00:00",
"product_status:known_affected": "260",
"product_status:known_not_affected": "14",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: can: peak_usb: fix shift-out-of-bounds issue",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-40020.json",
"version": "3"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…