can: ems_usb: validate CPC message lengths
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.
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/ranges5.15.216Source reference:
/affected/1/ranges6.1.183Source reference:
/affected/1/ranges6.6.151Source reference:
/affected/1/ranges6.12.103Source reference:
/affected/1/ranges6.18.44Source reference:
/affected/1/ranges7.1.8Source 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