CVE-2025-68307
can: gs_usb: gs_usb_xmit_callback(): fix handling of failed transmitted URBs
Description
In the Linux kernel, the following vulnerability has been resolved: can: gs_usb: gs_usb_xmit_callback(): fix handling of failed transmitted URBs The driver lacks the cleanup of failed transfers of URBs. This reduces the number of available URBs per error by 1. This leads to reduced performance and ultimately to a complete stop of the transmission. If the sending of a bulk URB fails do proper cleanup: - increase netdev stats - mark the echo_sbk as free - free the driver's context and do accounting - wake the send queue
INFO
Published Date :
Dec. 16, 2025, 4:16 p.m.
Last Modified :
Dec. 16, 2025, 4:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Apply kernel patches to fix URB transfer handling.
- Increase netdev statistics on transfer failure.
- Mark echo_sbk as free and free driver context.
- Wake the send queue after cleanup.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-68307.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-68307 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-68307
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-68307 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-68307 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Dec. 16, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: can: gs_usb: gs_usb_xmit_callback(): fix handling of failed transmitted URBs The driver lacks the cleanup of failed transfers of URBs. This reduces the number of available URBs per error by 1. This leads to reduced performance and ultimately to a complete stop of the transmission. If the sending of a bulk URB fails do proper cleanup: - increase netdev stats - mark the echo_sbk as free - free the driver's context and do accounting - wake the send queue Added Reference https://git.kernel.org/stable/c/1a588c40a422a3663a52f1c5535e8fb6b044167d Added Reference https://git.kernel.org/stable/c/4a82072e451eacf24fc66a445e906f5095d215db Added Reference https://git.kernel.org/stable/c/516a0cd1c03fa266bb67dd87940a209fd4e53ce7 Added Reference https://git.kernel.org/stable/c/9c8eb33b7008178b6ce88aa7593d12063ce60ca3 Added Reference https://git.kernel.org/stable/c/f7a5560675bd85efaf16ab01a43053670ff2b000