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can: ems_usb: validate CPC message lengths

Type: advisorySource: OSV1 source record

In the Linux kernel, the following vulnerability has been resolved: can: ems_usb: validate CPC message lengths ems_usb_read_bulk_callback() walks CPC messages packed in one USB receive buffer. Check that each declared message fits in the URB payload. Also require the type-specific payload to cover the fields used by the CAN, state, error and overrun handlers.

Announced Source revision 1
Original source ↗

CVE-2026-74460

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:CVE-2026-74460

Kernel

Source reference: /affected/1/package/name

Affected versions
Not stated in this record
Fixed versions
5.10.271

Source reference: /affected/1/ranges

5.15.216

Source reference: /affected/1/ranges

6.1.183

Source reference: /affected/1/ranges

6.6.151

Source reference: /affected/1/ranges

6.12.103

Source reference: /affected/1/ranges

6.18.44

Source reference: /affected/1/ranges

7.1.8

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
        "type": "GIT",
        "events": [
          {
            "introduced": "702171adeed3607ee9603ec30ce081411e36ae42"
          },
          {
            "fixed": "1c380a332e342b7d58c86c4f556cb0823b16a9b8"
          },
          {
            "fixed": "bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6"
          },
          {
            "fixed": "db5655287d78f00daf98888a520bb8da4d30126d"
          },
          {
            "fixed": "ce8125566b1d0b0f16449407e014addf451804ea"
          },
          {
            "fixed": "0b9090717c7e2184e2c427bbcc752f295116ac1d"
          },
          {
            "fixed": "0b23144c59c126beb4a7761a85a194ae0fe668a5"
          },
          {
            "fixed": "df3ac2a672a5284441f120d486acabdd6740fc2a"
          },
          {
            "fixed": "02925f51377f2a42a6724f00549167499c9302e5"
          }
        ]
      }
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74460.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "2.6.32"
          },
          {
            "fixed": "5.10.271"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "5.11.0"
          },
          {
            "fixed": "5.15.216"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "5.16.0"
          },
          {
            "fixed": "6.1.183"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.2.0"
          },
          {
            "fixed": "6.6.151"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.7.0"
          },
          {
            "fixed": "6.12.103"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.13.0"
          },
          {
            "fixed": "6.18.44"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.19.0"
          },
          {
            "fixed": "7.1.8"
          }
        ]
      }
    ],
    "package": {
      "name": "Kernel",
      "ecosystem": "Linux"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74460.json"
    }
  }
]
Related CVEs
CVE-2026-74460

Source reference: /id

Publisher severity

No explicit severity was provided.

Event
#83532 · Revision 1
Added to Heist Feed
Publisher date
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