CVE-2026-23155
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/494fc029f662c331e06b7c2031deff3c64200eed ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/494fc029f662c331e06b7c2031deff3c64200eedPatch
- https://git.kernel.org/stable/c/713ba826ae114ab339c9a1b31e209bebdadb0ac9Patch
- https://git.kernel.org/stable/c/8986cdf52f86208df9c7887fee23365b5d37da26Patch
- https://git.kernel.org/stable/c/923379f1d7e3af8ccbf11edbbcf41f1bb3e9cfe6Patch
- https://git.kernel.org/stable/c/aed58a28ea71a0d7d0947190fab1e3f4daa1d4a5Patch
- https://git.kernel.org/stable/c/7a431df418ee6b79841e0b4c7c265a791e3d0a75