{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43394", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.007Z", "datePublished": "2026-05-08T14:21:38.127Z", "dateUpdated": "2026-05-11T22:23:44.189Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:23:44.189Z"}, "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()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/nfsd/nfsctl.c"], "versions": [{"version": "16a471177496c8e04a9793812c187a2c1a2192fa", "lessThan": "02e87ec0bc706cb93fa47b43d18c4d10102c7d54", "status": "affected", "versionType": "git"}, {"version": "16a471177496c8e04a9793812c187a2c1a2192fa", "lessThan": "019debe5851d7355bea9ff0248cc317878924d8f", "status": "affected", "versionType": "git"}, {"version": "16a471177496c8e04a9793812c187a2c1a2192fa", "lessThan": "cba413765376bb466035c9160fa3130402971e2c", "status": "affected", "versionType": "git"}, {"version": "16a471177496c8e04a9793812c187a2c1a2192fa", "lessThan": "92978c83bb4eef55d02a6c990c01c423131eefa7", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/nfsd/nfsctl.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.78", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.19", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.9", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.12.78"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.18.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.19.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.0"}]}]}], "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"}}}}

{}

{"cveTags": [], "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()."}], "id": "CVE-2026-43394", "lastModified": "2026-05-12T14:10:27.343", "metrics": {}, "published": "2026-05-08T15:16:50.800", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/019debe5851d7355bea9ff0248cc317878924d8f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/02e87ec0bc706cb93fa47b43d18c4d10102c7d54"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/92978c83bb4eef55d02a6c990c01c423131eefa7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cba413765376bb466035c9160fa3130402971e2c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: nfsd: Fix cred ref leak in nfsd_nl_listener_set_doit()", "id": "2468262", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468262"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's nfsd component. The `nfsd_nl_listener_set_doit()` function fails to properly release credential references, resulting in a resource leak. This issue could allow a local attacker to exhaust system resources, potentially leading to a Denial of Service (DoS)."], "name": "CVE-2026-43394", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43394\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43394\nhttps://lore.kernel.org/linux-cve-announce/2026050837-CVE-2026-43394-974b@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16a471177496c8e04a9793812c187a2c1a2192fa,02e87ec0bc706cb93fa47b43d18c4d10102c7d54)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16a471177496c8e04a9793812c187a2c1a2192fa,019debe5851d7355bea9ff0248cc317878924d8f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16a471177496c8e04a9793812c187a2c1a2192fa,cba413765376bb466035c9160fa3130402971e2c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16a471177496c8e04a9793812c187a2c1a2192fa,92978c83bb4eef55d02a6c990c01c423131eefa7)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.78,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.19,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.19.9,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-08T18:00:13.777284+00:00", "updated": "2026-05-09T04:00:14.582827+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}