CVE-2025-37796

wifi: at76c50x: fix use after free access in at76_disconnect

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: at76c50x: fix use after free access in at76_disconnect The memory pointed to by priv is freed at the end of at76_delete_device function (using ieee80211_free_hw). But the code then accesses the udev field of the freed object to put the USB device. This may also lead to a memory leak of the usb device. Fix this by using udev from interface.

N/A

CVSS

Severity:

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/c731cdfddcf1be1590d5ba8c9b508f98e3a2b3d6
https://git.kernel.org/stable/c/6e4ab3e574c2a335b40fa1f70d1c54fcb58ab33f
https://git.kernel.org/stable/c/3c619aec1f538333b56746d2f796aab1bca5c9a5
https://git.kernel.org/stable/c/5e7df74745700f059dc117a620e566964a2e8f2c
https://git.kernel.org/stable/c/7ca513631fa6ad3011b8b9197cdde0f351103704
https://git.kernel.org/stable/c/a9682bfef2cf3802515a902e964d774e137be1b9
https://git.kernel.org/stable/c/152721cbae42713ecfbca6847e0f102ee6b19546
https://git.kernel.org/stable/c/27c7e63b3cb1a20bb78ed4a36c561ea4579fd7da

Frequently Asked Questions

What is the severity of CVE-2025-37796?: CVE-2025-37796 has not yet been assigned a CVSS score.
How to fix CVE-2025-37796?: To fix CVE-2025-37796, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-37796 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-37796 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-37796?: CVE-2025-37796 affects Linux Linux, Linux Linux.

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