{"id":"CVE-2025-68734","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nisdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe()\n\nIn hfcsusb_probe(), the memory allocated for ctrl_urb gets leaked when\nsetup_instance() fails with an error co…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nisdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe()\n\nIn hfcsusb_probe(), the memory allocated for ctrl_urb gets leaked when\nsetup_instance() fails with an error co…","severity":"none","published":"2025-12-24","updated":"2026-10-13","sourceUpdated":"2026-10-13T11:10:00.203","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-68734","references":[{"url":"https://git.kernel.org/stable/c/03695541b3349bc40bf5d6563d44d6147fb20260","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3f7c72bc73c4e542fde14cce017549d8a0b61a3c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3f978e3f1570155a1327ffa25f60968bc7b9398f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/475032fa2bb82ffb592c321885e917e39f47357f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6dce43433e0635e7b00346bc937b69ce48ea71bb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/adb7577e23a431fc53aa1b6107733c0d751015fb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b70c24827e11fdc71465f9207e974526fb457bb9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ea7936304ed74ab7f965d17f942a173ce91a5ca8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00198,"epssPercentile":0.08828,"ingestedAt":"2026-10-13T11:23:51.160Z","slug":"CVE-2025-68734","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nisdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe()\n\nIn hfcsusb_probe(), the memory allocated for ctrl_urb gets leaked when\nsetup_instance() fails with an error code. Fix that by freeing the urb\nbefore freeing the hw structure. Also change the error paths to use the\ngoto ladder style.\n\nCompile tested only. Issue found using a prototype static analysis tool.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}