CVE-2025-68734
Unknown
Description
In the Linux kernel, the following vulnerability has been resolved: isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe() In hfcsusb_probe(), the memory allocated for ctrl_urb gets leaked when setup_instance() fails with an error code. Fix that by freeing the urb before freeing the hw structure. Also change the error paths to use the goto ladder style. Compile tested only. Issue found using a prototype static analysis tool.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedDec 24, 2025
First seenDec 24, 2025
How to fix
Update
- Linux Linux475032fa2bb82ffb592c321885e917e39f47357f, adb7577e23a431fc53aa1b6107733c0d751015fb, b70c24827e11fdc71465f9207e974526fb457bb9, 3f7c72bc73c4e542fde14cce017549d8a0b61a3c, 03695541b3349bc40bf5d6563d44d6147fb20260, 6dce43433e0635e7b00346bc937b69ce48ea71bb, ea7936304ed74ab7f965d17f942a173ce91a5ca8, 3f978e3f1570155a1327ffa25f60968bc7b9398f or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 69f52adb2d534afc41fcc658f155e01f0b322f9e ≤ v < 475032fa2bb82ffb592c321885e917e39f47357f, 69f52adb2d534afc41fcc658f155e01f0b322f9e ≤ v < adb7577e23a431fc53aa1b6107733c0d751015fb, 69f52adb2d534afc41fcc658f155e01f0b322f9e ≤ v < b70c24827e11fdc71465f9207e974526fb457bb9, 69f52adb2d534afc41fcc658f155e01f0b322f9e ≤ v < 3f7c72bc73c4e542fde14cce017549d8a0b61a3c, 69f52adb2d534afc41fcc658f155e01f0b322f9e ≤ v < 03695541b3349bc40bf5d6563d44d6147fb20260, 69f52adb2d534afc41fcc658f155e01f0b322f9e ≤ v < 6dce43433e0635e7b00346bc937b69ce48ea71bb, 69f52adb2d534afc41fcc658f155e01f0b322f9e ≤ v < ea7936304ed74ab7f965d17f942a173ce91a5ca8, 69f52adb2d534afc41fcc658f155e01f0b322f9e ≤ v < 3f978e3f1570155a1327ffa25f60968bc7b9398f, 2.6.29 | 475032fa2bb82ffb592c321885e917e39f47357f, adb7577e23a431fc53aa1b6107733c0d751015fb, b70c24827e11fdc71465f9207e974526fb457bb9, 3f7c72bc73c4e542fde14cce017549d8a0b61a3c, 03695541b3349bc40bf5d6563d44d6147fb20260, 6dce43433e0635e7b00346bc937b69ce48ea71bb, ea7936304ed74ab7f965d17f942a173ce91a5ca8, 3f978e3f1570155a1327ffa25f60968bc7b9398f |
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