CVE-2025-40020 (GCVE-0-2025-40020)

Vulnerability from cvelistv5 – Published: 2025-10-24 12:24 – Updated: 2026-05-11 21:40
VLAI
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
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6996 records in the last 180 days details
References
Impacted 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 Create a notification for this product.
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 Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "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": "2026-10-19",
      "epss": "0.00211",
      "percentile": "0.10754"
    },
    "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]"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ncan: peak_usb: soluciona problema de desplazamiento fuera de l\u00edmites\n\nUtiliza expl\u00edcitamente una constante de 64 bits cuando el n\u00famero de bits utilizados para su desplazamiento es 32 (lo cual es el caso para las interfaces PC CAN FD soportadas por este controlador).\n\n[mkl: actualizar asunto, aplicar manualmente]"
          }
        ],
        "id": "CVE-2025-40020",
        "lastModified": "2026-10-19T21:10:00.160",
        "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"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-10-15T16:29:38Z",
      "cve": "CVE-2025-40020",
      "id": "CVE-2025-40020",
      "initial_release_date": "2025-10-24T23:24:23Z",
      "product_status:known_affected": "396",
      "product_status:known_not_affected": "396",
      "product_status:recommended": "495",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-40020",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2025/cve-2025-40020.json",
      "version": "44"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    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.