CVE-2026-43427

The CVE covers a Linux kernel issue in the usb: class: cdc-wdm read path. Due to compiler optimization or CPU out-of-order execution, desc->length could be updated after a memmove, causing wdm_read() to observe a new length and copy_to_user() from uninitialized memory, violating LKMM data race...

UBUNTU-CVE-2026-23148

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix race in nvmetbiodone leading to NULL pointer dereference There is a race condition in nvmetbiodone that can cause a NULL pointer dereference in blkcgroupbiostart: 1. nvmetbiodone is called when a bio completes 2...

kernel: can: peak_usb: fix use after free bugs

In the Linux kernel, the following vulnerability has been resolved: can: peakusb: fix use after free bugs After calling peakusbnetifrxniskb, dereferencing skb is unsafe. Especially, the canframe cf which aliases skb memory is accessed after the peakusbnetifrxni. Reordering the lines solves the...

PT-2021-8045

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a use-after-free vulnerability in the pch can rx normal function of the Linux kernel's CAN Controller Area Network driver. After calling netif receive skbskb,...