CVE-2025-68734
isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 24, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
69f52adb2d534afc41fcc658f155e01f0b322f9e < 475032fa2bb82ffb592c321885e917e39f47357f 69f52adb2d534afc41fcc658f155e01f0b322f9e < adb7577e23a431fc53aa1b6107733c0d751015fb 69f52adb2d534afc41fcc658f155e01f0b322f9e < b70c24827e11fdc71465f9207e974526fb457bb9 69f52adb2d534afc41fcc658f155e01f0b322f9e < 3f7c72bc73c4e542fde14cce017549d8a0b61a3c 69f52adb2d534afc41fcc658f155e01f0b322f9e < 03695541b3349bc40bf5d6563d44d6147fb20260 69f52adb2d534afc41fcc658f155e01f0b322f9e < 6dce43433e0635e7b00346bc937b69ce48ea71bb 69f52adb2d534afc41fcc658f155e01f0b322f9e < ea7936304ed74ab7f965d17f942a173ce91a5ca8 69f52adb2d534afc41fcc658f155e01f0b322f9e < 3f978e3f1570155a1327ffa25f60968bc7b9398f
Linux / Linux
2.6.29
References
git.kernel.org: https://git.kernel.org/stable/c/475032fa2bb82ffb592c321885e917e39f47357f git.kernel.org: https://git.kernel.org/stable/c/adb7577e23a431fc53aa1b6107733c0d751015fb git.kernel.org: https://git.kernel.org/stable/c/b70c24827e11fdc71465f9207e974526fb457bb9 git.kernel.org: https://git.kernel.org/stable/c/3f7c72bc73c4e542fde14cce017549d8a0b61a3c git.kernel.org: https://git.kernel.org/stable/c/03695541b3349bc40bf5d6563d44d6147fb20260 git.kernel.org: https://git.kernel.org/stable/c/6dce43433e0635e7b00346bc937b69ce48ea71bb git.kernel.org: https://git.kernel.org/stable/c/ea7936304ed74ab7f965d17f942a173ce91a5ca8 git.kernel.org: https://git.kernel.org/stable/c/3f978e3f1570155a1327ffa25f60968bc7b9398f