CVE-2026-74455

can: peak_usb: validate uCAN receive record lengths

N/A

Published: August 15, 2026 at 12:26 PM UTC

Updated: August 19, 2026 at 05:21 PM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

N/A

Exploit prediction

EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.0 ≤ v < 5.10.2654.0 ≤ v < 5.15.2164.0 ≤ v < 6.1.1834.0 ≤ v < 6.12.1034.0 ≤ v < 6.18.444.0 ≤ v < 6.6.1514.0 ≤ v < 7.1.84.0 ≤ v < 7.20a25e1f4f18566b750ebd3ae995af64e23111e634.0

Vendor states this is fixed in 2427ef427bdd78d862c7c76597bfd9eda88b81f1 (fixed)

Vendor states this is fixed in 276d989cd2dd88e2b7ab2c96fd10c86836b12781 (fixed)

Vendor states this is fixed in 2c8f08f3641a074da40acf05baa5a18ae2739260 (fixed)

Vendor states this is fixed in 6067c878e38d02a3d5c43497347e143f85c9064a (fixed)

Vendor states this is fixed in 89c92a8052698dbbd3652a77c04d02bbd74a3275 (fixed)

Vendor states this is fixed in 93fcab2c6968446316bbb49548848df604d6346f (fixed)

Vendor states this is fixed in bf9d787b7e1ef59be19b35abca08194772deb97e (fixed)

Vendor states this is fixed in d9c115948c3dd5fcc2d0245cec5eb76c098503c8 (fixed)

Vendor states this is fixed in 4.0 (unaffected)

Vendor states this is fixed in 5.10.265 (unaffected)

Vendor states this is fixed in 5.15.216 (unaffected)

Vendor states this is fixed in 6.1.183 (unaffected)