CVE-2026-98250

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98250", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.331Z", "datePublished": "2026-10-06T08:45:18.060Z", "dateUpdated": "2026-10-19T09:16:21.627Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:16:21.627Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: fix handling of NFSEXP_PNFS in the netlink codepath\n\nThe rework of how block layouts were checked moved the check for\nNFSEXP_PNFS out of nfsd4_setup_layout_type() and into the callers. That\npatch didn't account for the new call in nfsd4_setup_layout_type()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/nfsd/export.c"], "versions": [{"version": "da9baa5470dcb077a7c9806f0925c60b530c470b", "lessThan": "30335038d4e25cf017abb0562f4f4eace4f58f96", "status": "affected", "versionType": "git"}, {"version": "da9baa5470dcb077a7c9806f0925c60b530c470b", "lessThan": "f76017a7663c4ce5e379f8a8d39f032bdb1fd865", "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/export.c"], "versions": [{"version": "7.2", "status": "affected"}, {"version": "0", "lessThan": "7.2", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.8", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "7.2", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.2", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/30335038d4e25cf017abb0562f4f4eace4f58f96"}, {"url": "https://git.kernel.org/stable/c/f76017a7663c4ce5e379f8a8d39f032bdb1fd865"}], "title": "nfsd: fix handling of NFSEXP_PNFS in the netlink codepath", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/nfsd/export.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "30335038d4e25cf017abb0562f4f4eace4f58f96", "status": "affected", "version": "da9baa5470dcb077a7c9806f0925c60b530c470b", "versionType": "git"}, {"lessThan": "f76017a7663c4ce5e379f8a8d39f032bdb1fd865", "status": "affected", "version": "da9baa5470dcb077a7c9806f0925c60b530c470b", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/nfsd/export.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "7.2"}, {"lessThan": "7.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: fix handling of NFSEXP_PNFS in the netlink codepath\n\nThe rework of how block layouts were checked moved the check for\nNFSEXP_PNFS out of nfsd4_setup_layout_type() and into the callers. That\npatch didn't account for the new call in nfsd4_setup_layout_type()."}], "id": "CVE-2026-98250", "lastModified": "2026-10-19T10:18:25.897", "metrics": {}, "published": "2026-10-06T09:18:13.437", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/30335038d4e25cf017abb0562f4f4eace4f58f96"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f76017a7663c4ce5e379f8a8d39f032bdb1fd865"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: nfsd: fix handling of NFSEXP_PNFS in the netlink codepath", "id": "2546384", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546384"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-1288", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnfsd: fix handling of NFSEXP_PNFS in the netlink codepath\nThe rework of how block layouts were checked moved the check for\nNFSEXP_PNFS out of nfsd4_setup_layout_type() and into the callers. That\npatch didn't account for the new call in nfsd4_setup_layout_type().", "A flaw was found in the Linux kernel's Network File System daemon (nfsd). When configuring file exports through the Netlink interface, nfsd attempts to initialize parallel NFS (pNFS) layouts without verifying that pNFS is enabled for the export. A privileged local user managing NFS exports could trigger this condition, potentially leading to improper export configuration and unexpected system behavior or a Denial of Service (DoS)."], "name": "CVE-2026-98250", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98250\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98250\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98250.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da9baa5470dcb077a7c9806f0925c60b530c470b,30335038d4e25cf017abb0562f4f4eace4f58f96)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da9baa5470dcb077a7c9806f0925c60b530c470b,f76017a7663c4ce5e379f8a8d39f032bdb1fd865)"}}], "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": "7.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,7.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.8,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc4,*]"}}], "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": "2026-10-06T12:45:17.644241+00:00", "updated": "2026-10-11T18:45:19.290168+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}