CVE-2026-74455can: peak_usb: validate uCAN receive record lengths
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Aug 19, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 0a25e1f4f18566b750ebd3ae995af64e23111e63 before 276d989cd2dd88e2b7ab2c96fd10c86836b12781; from 0a25e1f4f18566b750ebd3ae995af64e23111e63 before bf9d787b7e1ef59be19b35abca08194772deb97e; from 0a25e1f4f18566b750ebd3ae995af64e23111e63 before 89c92a8052698dbbd3652a77c04d02bbd74a3275; from 0a25e1f4f18566b750ebd3ae995af64e23111e63 before 6067c878e38d02a3d5c43497347e143f85c9064a; from 0a25e1f4f18566b750ebd3ae995af64e23111e63 before 2c8f08f3641a074da40acf05baa5a18ae2739260; from 0a25e1f4f18566b750ebd3ae995af64e23111e63 before 2427ef427bdd78d862c7c76597bfd9eda88b81f1; from 0a25e1f4f18566b750ebd3ae995af64e23111e63 before d9c115948c3dd5fcc2d0245cec5eb76c098503c8; from 0a25e1f4f18566b750ebd3ae995af64e23111e63 before 93fcab2c6968446316bbb49548848df604d6346f | CNA record |
References
- https://git.kernel.org/stable/c/276d989cd2dd88e2b7ab2c96fd10c86836b12781
- https://git.kernel.org/stable/c/bf9d787b7e1ef59be19b35abca08194772deb97e
- https://git.kernel.org/stable/c/89c92a8052698dbbd3652a77c04d02bbd74a3275
- https://git.kernel.org/stable/c/6067c878e38d02a3d5c43497347e143f85c9064a
- https://git.kernel.org/stable/c/2c8f08f3641a074da40acf05baa5a18ae2739260
- https://git.kernel.org/stable/c/2427ef427bdd78d862c7c76597bfd9eda88b81f1
- https://git.kernel.org/stable/c/d9c115948c3dd5fcc2d0245cec5eb76c098503c8
- https://git.kernel.org/stable/c/93fcab2c6968446316bbb49548848df604d6346f
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.