What’s Vulnerable › Vulnerabilities

CVE-2026-23155: can: gs_usb: gs_usb_receive_bulk_callback(): fix error message

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-14 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Linux kernel: 6.6.122, 6.12.68, 6.18.8, 6.19-rc7

References

• https://git.kernel.org/stable/c/494fc029f662c331e06b7c2031deff3c64200eed
• https://git.kernel.org/stable/c/713ba826ae114ab339c9a1b31e209bebdadb0ac9
• https://git.kernel.org/stable/c/7a431df418ee6b79841e0b4c7c265a791e3d0a75
• https://git.kernel.org/stable/c/8986cdf52f86208df9c7887fee23365b5d37da26
• https://git.kernel.org/stable/c/923379f1d7e3af8ccbf11edbbcf41f1bb3e9cfe6
• https://git.kernel.org/stable/c/aed58a28ea71a0d7d0947190fab1e3f4daa1d4a5

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