CVE-2026-74455

Updated on 15 Aug 2026

Severity

Awaiting Analysis

Details

Overview

About vulnerability

In the Linux kernel, the following vulnerability has been resolved:

can: peak_usb: validate uCAN receive record lengths

pcan_usb_fd_decode_buf() walks uCAN records packed in one USB receive buffer.

Require each record to contain the fixed header for its type, and verify CAN payload bytes before copying them into the skb.

Details

Affected packages:
linux @ 5.4.0 (+5 more)

Fixes

KernelCare state

Live-patch status from KernelCare for each operating system.

Operating system Status Covered kernels
Debian 12 Planned
Debian 13 Released
15 kernels
  • 6.12.85-1
  • 6.12.86-1
  • 6.12.88-1
  • 6.12.74-2
  • 6.12.73-1
  • 6.12.63-1
  • 6.12.69-1
  • 6.12.74-1
  • 6.12.90-1
  • 6.12.90-2
  • 6.12.94-1
  • 6.12.95-1
  • 6.12.96-1
  • 6.12.100-1
  • 6.12.101-1
Oracle Linux 9 UEK 7 Planned