CVE-2026-74460
CVE-2026-74460: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-74460] validate CPC message lengths
CVE-2026-74460Source published Source updated
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. This vulnerability occurs because the `ems_usb_read_bulk_callback()` function, which processes Controller Area Network (CAN) Protocol Converter (CPC) messages from a USB receive buffer, does not properly validate the lengths of these messages. An attacker could exploit this by sending specially crafted CPC messages, potentially leading to a denial of service due to a format error when processing the malformed data. Red Hat severity…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
2 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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