{"id":"CVE-2026-43394","title":"nfsd: Fix cred ref leak in nfsd_nl_listener_set_doit().","summary":"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_…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 16a471177496c8e04a9793812c187a2c1a2192fa < 02e87ec0bc706cb93fa47b43d18c4d10102c7d54","Linux >= 16a471177496c8e04a9793812c187a2c1a2192fa < 019debe5851d7355bea9ff0248cc317878924d8f","Linux >= 16a471177496c8e04a9793812c187a2c1a2192fa < cba413765376bb466035c9160fa3130402971e2c","Linux >= 16a471177496c8e04a9793812c187a2c1a2192fa < 92978c83bb4eef55d02a6c990c01c423131eefa7","Linux 6.10"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T15:36:52.935179Z"},"published":"2026-05-08","updated":"2026-11-06","sourceUpdated":"2026-11-06T15:42:51.043Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43394","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"}],"tags":["cve.org"],"epss":0.00122,"epssPercentile":0.01995,"ingestedAt":"2026-11-06T15:54:03.928Z","slug":"CVE-2026-43394","body":"## Overview\n\nIn 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().\n\n## Affected\n\n- `Linux >= 16a471177496c8e04a9793812c187a2c1a2192fa < 02e87ec0bc706cb93fa47b43d18c4d10102c7d54`\n- `Linux >= 16a471177496c8e04a9793812c187a2c1a2192fa < 019debe5851d7355bea9ff0248cc317878924d8f`\n- `Linux >= 16a471177496c8e04a9793812c187a2c1a2192fa < cba413765376bb466035c9160fa3130402971e2c`\n- `Linux >= 16a471177496c8e04a9793812c187a2c1a2192fa < 92978c83bb4eef55d02a6c990c01c423131eefa7`\n- `Linux 6.10`\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":[]}