Vulnerability Details CVE-2026-23082
In the Linux kernel, the following vulnerability has been resolved:
can: gs_usb: gs_usb_receive_bulk_callback(): unanchor URL on usb_submit_urb() error
In commit 7352e1d5932a ("can: gs_usb: gs_usb_receive_bulk_callback(): fix
URB memory leak"), the URB was re-anchored before usb_submit_urb() in
gs_usb_receive_bulk_callback() to prevent a leak of this URB during
cleanup.
However, this patch did not take into account that usb_submit_urb() could
fail. The URB remains anchored and
usb_kill_anchored_urbs(&parent->rx_submitted) in gs_can_close() loops
infinitely since the anchor list never becomes empty.
To fix the bug, unanchor the URB when an usb_submit_urb() error occurs,
also print an info message.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 6.7%
CVSS Severity
CVSS v3 Score 5.5
References
- https://git.kernel.org/stable/c/79a6d1bfe1148bc921b8d7f3371a7fbce44e30f7
- https://git.kernel.org/stable/c/aa8a8866c533a150be4763bcb27993603bd5426c
- https://git.kernel.org/stable/c/c3edc14da81a8d8398682f6e4ab819f09f37c0b7
- https://git.kernel.org/stable/c/c610b550ccc0438d456dfe1df9f4f36254ccaae3
- https://git.kernel.org/stable/c/ce4352057fc5a986c76ece90801b9755e7c6e56c
Products affected by CVE-2026-23082
-
cpe:2.3:o:linux:linux_kernel:6.12.67
-
cpe:2.3:o:linux:linux_kernel:6.18.7
-
cpe:2.3:o:linux:linux_kernel:6.19