{"api_version":"1","generated_at":"2026-07-23T14:27:49+00:00","cve":"CVE-2026-43343","urls":{"html":"https://cve.report/CVE-2026-43343","api":"https://cve.report/api/cve/CVE-2026-43343.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43343","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43343"},"summary":{"title":"usb: gadget: f_subset: Fix unbalanced refcnt in geth_free","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_subset: Fix unbalanced refcnt in geth_free\n\ngeth_alloc() increments the reference count, but geth_free() fails to\ndecrement it. 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12:33:32"},"problem_types":["NVD-CWE-Other"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/a932b171554714b1bca313b853c7aa9f2930f9aa","name":"https://git.kernel.org/stable/c/a932b171554714b1bca313b853c7aa9f2930f9aa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/23e4851ce348a329d974e84e828155dda9f52122","name":"https://git.kernel.org/stable/c/23e4851ce348a329d974e84e828155dda9f52122","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3f5bfc550a40d7493b1cf09540ed6b412b3b82be","name":"https://git.kernel.org/stable/c/3f5bfc550a40d7493b1cf09540ed6b412b3b82be","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d7d702407b61e96286a15b6e715572f541a8d41c","name":"https://git.kernel.org/stable/c/d7d702407b61e96286a15b6e715572f541a8d41c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/75776a055b656873319c3830fed471daef3ceb23","name":"https://git.kernel.org/stable/c/75776a055b656873319c3830fed471daef3ceb23","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3d436670b47415da042452618fb5d8e317ab095f","name":"https://git.kernel.org/stable/c/3d436670b47415da042452618fb5d8e317ab095f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cc8ec610cd14c093a19371691a7ce1ee5421e829","name":"https://git.kernel.org/stable/c/cc8ec610cd14c093a19371691a7ce1ee5421e829","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/caa27923aacd8a5869207842f2ab1657c6c0c7bc","name":"https://git.kernel.org/stable/c/caa27923aacd8a5869207842f2ab1657c6c0c7bc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43343","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43343","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 02832e56f88a981474ee4c7c141f46fc1b4454f4 a932b171554714b1bca313b853c7aa9f2930f9aa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 02832e56f88a981474ee4c7c141f46fc1b4454f4 d7d702407b61e96286a15b6e715572f541a8d41c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 02832e56f88a981474ee4c7c141f46fc1b4454f4 3f5bfc550a40d7493b1cf09540ed6b412b3b82be git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 02832e56f88a981474ee4c7c141f46fc1b4454f4 75776a055b656873319c3830fed471daef3ceb23 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_subset: Fix unbalanced refcnt in geth_free\n\ngeth_alloc() increments the reference count, but geth_free() fails to\ndecrement it. This prevents the configuration of attributes via configfs\nafter unlinking the function.\n\nDecrement the reference count in geth_free() to ensure proper cleanup."}],"providerMetadata":{"dateUpdated":"2026-05-11T22:22:44.192Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/a932b171554714b1bca313b853c7aa9f2930f9aa"},{"url":"https://git.kernel.org/stable/c/d7d702407b61e96286a15b6e715572f541a8d41c"},{"url":"https://git.kernel.org/stable/c/3f5bfc550a40d7493b1cf09540ed6b412b3b82be"},{"url":"https://git.kernel.org/stable/c/75776a055b656873319c3830fed471daef3ceb23"},{"url":"https://git.kernel.org/stable/c/cc8ec610cd14c093a19371691a7ce1ee5421e829"},{"url":"https://git.kernel.org/stable/c/3d436670b47415da042452618fb5d8e317ab095f"},{"url":"https://git.kernel.org/stable/c/23e4851ce348a329d974e84e828155dda9f52122"},{"url":"https://git.kernel.org/stable/c/caa27923aacd8a5869207842f2ab1657c6c0c7bc"}],"title":"usb: gadget: f_subset: Fix unbalanced refcnt in geth_free","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43343","datePublished":"2026-05-08T13:37:20.663Z","dateReserved":"2026-05-01T14:12:56.003Z","dateUpdated":"2026-05-11T22:22:44.192Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-08 14:16:44","lastModifiedDate":"2026-05-18 12:33:32","problem_types":["NVD-CWE-Other"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.11","versionEndExcluding":"5.10.253","matchCriteriaId":"7F1F33AF-738B-4269-B6DC-69C6F80BAFB7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.203","matchCriteriaId":"20DDB3E9-AABF-4107-ADB0-5362AA067045"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.168","matchCriteriaId":"E2DDDCA1-6DAB-4018-B920-8F045DDD8D3B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.134","matchCriteriaId":"F56F925B-BAF8-4F4B-B62F-1496AF19A307"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.81","matchCriteriaId":"6EF80433-B33B-43C5-8E64-0FA7B8DCE1BC"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.22","matchCriteriaId":"C9DF8BCE-36D3-475D-9D21-19E4F02F9029"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.12","matchCriteriaId":"0A2B9540-02D5-41B4-B16A-82AF66FD4F36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*","matchCriteriaId":"F253B622-8837-4245-BCE5-A7BF8FC76A16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*","matchCriteriaId":"4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*","matchCriteriaId":"F666C8D8-6538-46D4-B318-87610DE64C34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*","matchCriteriaId":"02259FDA-961B-47BC-AE7F-93D7EC6E90C2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*","matchCriteriaId":"58A9FEFF-C040-420D-8F0A-BFDAAA1DF258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*","matchCriteriaId":"1D2315C0-D46F-4F85-9754-F9E5E11374A6"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43343","Ordinal":"1","Title":"usb: gadget: f_subset: Fix unbalanced refcnt in geth_free","CVE":"CVE-2026-43343","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43343","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_subset: Fix unbalanced refcnt in geth_free\n\ngeth_alloc() increments the reference count, but geth_free() fails to\ndecrement it. This prevents the configuration of attributes via configfs\nafter unlinking the function.\n\nDecrement the reference count in geth_free() to ensure proper cleanup.","Type":"Description","Title":"usb: gadget: f_subset: Fix unbalanced refcnt in geth_free"}]}}}