{"api_version":"1","generated_at":"2026-10-29T10:43:27+00:00","cve":"CVE-2025-68734","urls":{"html":"https://cve.report/CVE-2025-68734","api":"https://cve.report/api/cve/CVE-2025-68734.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-68734","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-68734"},"summary":{"title":"isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe()","description":"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 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.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-12-24 11:16:02","updated_at":"2026-10-13 11:10:00"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/b70c24827e11fdc71465f9207e974526fb457bb9","name":"https://git.kernel.org/stable/c/b70c24827e11fdc71465f9207e974526fb457bb9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/adb7577e23a431fc53aa1b6107733c0d751015fb","name":"https://git.kernel.org/stable/c/adb7577e23a431fc53aa1b6107733c0d751015fb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/03695541b3349bc40bf5d6563d44d6147fb20260","name":"https://git.kernel.org/stable/c/03695541b3349bc40bf5d6563d44d6147fb20260","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6dce43433e0635e7b00346bc937b69ce48ea71bb","name":"https://git.kernel.org/stable/c/6dce43433e0635e7b00346bc937b69ce48ea71bb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3f978e3f1570155a1327ffa25f60968bc7b9398f","name":"https://git.kernel.org/stable/c/3f978e3f1570155a1327ffa25f60968bc7b9398f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3f7c72bc73c4e542fde14cce017549d8a0b61a3c","name":"https://git.kernel.org/stable/c/3f7c72bc73c4e542fde14cce017549d8a0b61a3c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/475032fa2bb82ffb592c321885e917e39f47357f","name":"https://git.kernel.org/stable/c/475032fa2bb82ffb592c321885e917e39f47357f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ea7936304ed74ab7f965d17f942a173ce91a5ca8","name":"https://git.kernel.org/stable/c/ea7936304ed74ab7f965d17f942a173ce91a5ca8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-68734","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68734","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 69f52adb2d534afc41fcc658f155e01f0b322f9e 475032fa2bb82ffb592c321885e917e39f47357f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 69f52adb2d534afc41fcc658f155e01f0b322f9e adb7577e23a431fc53aa1b6107733c0d751015fb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 69f52adb2d534afc41fcc658f155e01f0b322f9e b70c24827e11fdc71465f9207e974526fb457bb9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 69f52adb2d534afc41fcc658f155e01f0b322f9e 3f7c72bc73c4e542fde14cce017549d8a0b61a3c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/isdn/hardware/mISDN/hfcsusb.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"475032fa2bb82ffb592c321885e917e39f47357f","status":"affected","version":"69f52adb2d534afc41fcc658f155e01f0b322f9e","versionType":"git"},{"lessThan":"adb7577e23a431fc53aa1b6107733c0d751015fb","status":"affected","version":"69f52adb2d534afc41fcc658f155e01f0b322f9e","versionType":"git"},{"lessThan":"b70c24827e11fdc71465f9207e974526fb457bb9","status":"affected","version":"69f52adb2d534afc41fcc658f155e01f0b322f9e","versionType":"git"},{"lessThan":"3f7c72bc73c4e542fde14cce017549d8a0b61a3c","status":"affected","version":"69f52adb2d534afc41fcc658f155e01f0b322f9e","versionType":"git"},{"lessThan":"03695541b3349bc40bf5d6563d44d6147fb20260","status":"affected","version":"69f52adb2d534afc41fcc658f155e01f0b322f9e","versionType":"git"},{"lessThan":"6dce43433e0635e7b00346bc937b69ce48ea71bb","status":"affected","version":"69f52adb2d534afc41fcc658f155e01f0b322f9e","versionType":"git"},{"lessThan":"ea7936304ed74ab7f965d17f942a173ce91a5ca8","status":"affected","version":"69f52adb2d534afc41fcc658f155e01f0b322f9e","versionType":"git"},{"lessThan":"3f978e3f1570155a1327ffa25f60968bc7b9398f","status":"affected","version":"69f52adb2d534afc41fcc658f155e01f0b322f9e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/isdn/hardware/mISDN/hfcsusb.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.29"},{"lessThan":"2.6.29","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.302","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.247","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.197","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.159","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.117","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.59","versionType":"semver"},{"lessThanOrEqual":"6.17.*","status":"unaffected","version":"6.17.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.18","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.302","versionStartIncluding":"2.6.29","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.247","versionStartIncluding":"2.6.29","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.197","versionStartIncluding":"2.6.29","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.159","versionStartIncluding":"2.6.29","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.117","versionStartIncluding":"2.6.29","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.59","versionStartIncluding":"2.6.29","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.17.9","versionStartIncluding":"2.6.29","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18","versionStartIncluding":"2.6.29","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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 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."}],"providerMetadata":{"dateUpdated":"2026-05-11T21:52:18.618Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/475032fa2bb82ffb592c321885e917e39f47357f"},{"url":"https://git.kernel.org/stable/c/adb7577e23a431fc53aa1b6107733c0d751015fb"},{"url":"https://git.kernel.org/stable/c/b70c24827e11fdc71465f9207e974526fb457bb9"},{"url":"https://git.kernel.org/stable/c/3f7c72bc73c4e542fde14cce017549d8a0b61a3c"},{"url":"https://git.kernel.org/stable/c/03695541b3349bc40bf5d6563d44d6147fb20260"},{"url":"https://git.kernel.org/stable/c/6dce43433e0635e7b00346bc937b69ce48ea71bb"},{"url":"https://git.kernel.org/stable/c/ea7936304ed74ab7f965d17f942a173ce91a5ca8"},{"url":"https://git.kernel.org/stable/c/3f978e3f1570155a1327ffa25f60968bc7b9398f"}],"title":"isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2025-68734","datePublished":"2025-12-24T10:58:49.938Z","dateReserved":"2025-12-24T10:30:51.028Z","dateUpdated":"2026-05-11T21:52:18.618Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-24 11:16:02","lastModifiedDate":"2026-10-13 11:10:00","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"68734","Ordinal":"1","Title":"isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe()","CVE":"CVE-2025-68734","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"68734","Ordinal":"1","NoteData":"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 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.","Type":"Description","Title":"isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe()"}]}}}