Monitor vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
Linux Kernel: Incorrect Error Message in CAN Bus Driver
CVE-2026-23155
Summary
The Linux kernel's CAN bus driver had a bug that caused incorrect error messages. This has been fixed, but it's essential to update your kernel to prevent any potential issues. If you're using an affected kernel version, update it as soon as possible to ensure the fix is applied.
Original title
In the Linux kernel, the following vulnerability has been resolved:
can: gs_usb: gs_usb_receive_bulk_callback(): fix error message
Sinc commit 79a6d1bfe114 ("can: gs_usb: gs_usb_receive_bulk_call...
Original description
In the Linux kernel, the following vulnerability has been resolved:
can: gs_usb: gs_usb_receive_bulk_callback(): fix error message
Sinc commit 79a6d1bfe114 ("can: gs_usb: gs_usb_receive_bulk_callback():
unanchor URL on usb_submit_urb() error") a failing resubmit URB will print
an info message.
In the case of a short read where netdev has not yet been assigned,
initialize as NULL to avoid dereferencing an undefined value. Also report
the error value of the failed resubmit.
can: gs_usb: gs_usb_receive_bulk_callback(): fix error message
Sinc commit 79a6d1bfe114 ("can: gs_usb: gs_usb_receive_bulk_callback():
unanchor URL on usb_submit_urb() error") a failing resubmit URB will print
an info message.
In the case of a short read where netdev has not yet been assigned,
initialize as NULL to avoid dereferencing an undefined value. Also report
the error value of the failed resubmit.
- https://git.kernel.org/stable/c/494fc029f662c331e06b7c2031deff3c64200eed
- https://git.kernel.org/stable/c/713ba826ae114ab339c9a1b31e209bebdadb0ac9
- https://git.kernel.org/stable/c/8986cdf52f86208df9c7887fee23365b5d37da26
- https://git.kernel.org/stable/c/923379f1d7e3af8ccbf11edbbcf41f1bb3e9cfe6
- https://git.kernel.org/stable/c/aed58a28ea71a0d7d0947190fab1e3f4daa1d4a5
Published: 14 Feb 2026 · Updated: 10 Mar 2026 · First seen: 6 Mar 2026