{"api_version":"1","generated_at":"2026-05-15T12:39:42+00:00","cve":"CVE-2026-43394","urls":{"html":"https://cve.report/CVE-2026-43394","api":"https://cve.report/api/cve/CVE-2026-43394.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43394","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43394"},"summary":{"title":"nfsd: Fix cred ref leak in nfsd_nl_listener_set_doit().","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: Fix cred ref leak in nfsd_nl_listener_set_doit().\n\nnfsd_nl_listener_set_doit() uses get_current_cred() without\nput_cred().\n\nAs we can see from other callers, svc_xprt_create_from_sa()\ndoes not require the extra refcount.\n\nnfsd_nl_listener_set_doit() is always in the process context,\nsendmsg(), and current->cred does not go away.\n\nLet's use current_cred() in nfsd_nl_listener_set_doit().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-08 15:16:50","updated_at":"2026-05-12 14:10:27"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/019debe5851d7355bea9ff0248cc317878924d8f","name":"https://git.kernel.org/stable/c/019debe5851d7355bea9ff0248cc317878924d8f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cba413765376bb466035c9160fa3130402971e2c","name":"https://git.kernel.org/stable/c/cba413765376bb466035c9160fa3130402971e2c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/92978c83bb4eef55d02a6c990c01c423131eefa7","name":"https://git.kernel.org/stable/c/92978c83bb4eef55d02a6c990c01c423131eefa7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/02e87ec0bc706cb93fa47b43d18c4d10102c7d54","name":"https://git.kernel.org/stable/c/02e87ec0bc706cb93fa47b43d18c4d10102c7d54","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43394","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43394","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 16a471177496c8e04a9793812c187a2c1a2192fa 02e87ec0bc706cb93fa47b43d18c4d10102c7d54 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 16a471177496c8e04a9793812c187a2c1a2192fa 019debe5851d7355bea9ff0248cc317878924d8f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 16a471177496c8e04a9793812c187a2c1a2192fa cba413765376bb466035c9160fa3130402971e2c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 16a471177496c8e04a9793812c187a2c1a2192fa 92978c83bb4eef55d02a6c990c01c423131eefa7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.10","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.10 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.78 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.19 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.9 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"43394","cve":"CVE-2026-43394","epss":"0.000180000","percentile":"0.047270000","score_date":"2026-05-12","updated_at":"2026-05-13 00:11:53"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/nfsd/nfsctl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"02e87ec0bc706cb93fa47b43d18c4d10102c7d54","status":"affected","version":"16a471177496c8e04a9793812c187a2c1a2192fa","versionType":"git"},{"lessThan":"019debe5851d7355bea9ff0248cc317878924d8f","status":"affected","version":"16a471177496c8e04a9793812c187a2c1a2192fa","versionType":"git"},{"lessThan":"cba413765376bb466035c9160fa3130402971e2c","status":"affected","version":"16a471177496c8e04a9793812c187a2c1a2192fa","versionType":"git"},{"lessThan":"92978c83bb4eef55d02a6c990c01c423131eefa7","status":"affected","version":"16a471177496c8e04a9793812c187a2c1a2192fa","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/nfsd/nfsctl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.10"},{"lessThan":"6.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.78","versionStartIncluding":"6.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.19","versionStartIncluding":"6.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.9","versionStartIncluding":"6.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.10","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: Fix cred ref leak in nfsd_nl_listener_set_doit().\n\nnfsd_nl_listener_set_doit() uses get_current_cred() without\nput_cred().\n\nAs we can see from other callers, svc_xprt_create_from_sa()\ndoes not require the extra refcount.\n\nnfsd_nl_listener_set_doit() is always in the process context,\nsendmsg(), and current->cred does not go away.\n\nLet's use current_cred() in nfsd_nl_listener_set_doit()."}],"providerMetadata":{"dateUpdated":"2026-05-11T22:23:44.189Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/02e87ec0bc706cb93fa47b43d18c4d10102c7d54"},{"url":"https://git.kernel.org/stable/c/019debe5851d7355bea9ff0248cc317878924d8f"},{"url":"https://git.kernel.org/stable/c/cba413765376bb466035c9160fa3130402971e2c"},{"url":"https://git.kernel.org/stable/c/92978c83bb4eef55d02a6c990c01c423131eefa7"}],"title":"nfsd: Fix cred ref leak in nfsd_nl_listener_set_doit().","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43394","datePublished":"2026-05-08T14:21:38.127Z","dateReserved":"2026-05-01T14:12:56.007Z","dateUpdated":"2026-05-11T22:23:44.189Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-08 15:16:50","lastModifiedDate":"2026-05-12 14:10:27","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43394","Ordinal":"1","Title":"nfsd: Fix cred ref leak in nfsd_nl_listener_set_doit().","CVE":"CVE-2026-43394","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43394","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: Fix cred ref leak in nfsd_nl_listener_set_doit().\n\nnfsd_nl_listener_set_doit() uses get_current_cred() without\nput_cred().\n\nAs we can see from other callers, svc_xprt_create_from_sa()\ndoes not require the extra refcount.\n\nnfsd_nl_listener_set_doit() is always in the process context,\nsendmsg(), and current->cred does not go away.\n\nLet's use current_cred() in nfsd_nl_listener_set_doit().","Type":"Description","Title":"nfsd: Fix cred ref leak in nfsd_nl_listener_set_doit()."}]}}}