{"api_version":"1","generated_at":"2026-09-14T02:10:16+00:00","cve":"CVE-2026-89693","urls":{"html":"https://cve.report/CVE-2026-89693","api":"https://cve.report/api/cve/CVE-2026-89693.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89693","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89693"},"summary":{"title":"nfsd: check nfsd4_acl_to_attr() return value in nfsd4_create()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: check nfsd4_acl_to_attr() return value in nfsd4_create()\n\nnfsd4_create() stores the return value of nfsd4_acl_to_attr() in\nstatus, but the switch(create->cr_type) block unconditionally\noverwrites it in every branch. ACL translation errors are silently\ndiscarded, and the CREATE proceeds without the requested ACL.\n\nAdd an early exit check after nfsd4_acl_to_attr(), matching the\npattern already used in nfsd4_setattr().\n\n[ cel: prefer NFS4ERR_BADTYPE over NFS4ERR_ATTRNOTSUPP ]","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-11 20:19:56","updated_at":"2026-09-11 20:19:56"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/2c7912732184773dbd371a411da87af1cc080b86","name":"https://git.kernel.org/stable/c/2c7912732184773dbd371a411da87af1cc080b86","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/430ed49a16cf9ca249d0fb51490582090bc4848b","name":"https://git.kernel.org/stable/c/430ed49a16cf9ca249d0fb51490582090bc4848b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/80cebb0e8a8d1e758f0d671f5e047279c5c3e528","name":"https://git.kernel.org/stable/c/80cebb0e8a8d1e758f0d671f5e047279c5c3e528","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89693","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89693","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c0cbe70742f4a70893cd6e5f6b10b6e89b6db95b 430ed49a16cf9ca249d0fb51490582090bc4848b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c0cbe70742f4a70893cd6e5f6b10b6e89b6db95b 80cebb0e8a8d1e758f0d671f5e047279c5c3e528 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c0cbe70742f4a70893cd6e5f6b10b6e89b6db95b 2c7912732184773dbd371a411da87af1cc080b86 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c5409ce523af40d5c3019717bc5b4f72038d48be git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d52acd23a327cada5fb597591267cfc09f08bb1d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.10.220 5.11 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.15.154 5.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.0","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.0 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.51 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.4 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"89693","cve":"CVE-2026-89693","epss":"0.001660000","percentile":"0.061450000","score_date":"2026-09-13","updated_at":"2026-09-14 00:18:02"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/nfsd/nfs4proc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"430ed49a16cf9ca249d0fb51490582090bc4848b","status":"affected","version":"c0cbe70742f4a70893cd6e5f6b10b6e89b6db95b","versionType":"git"},{"lessThan":"80cebb0e8a8d1e758f0d671f5e047279c5c3e528","status":"affected","version":"c0cbe70742f4a70893cd6e5f6b10b6e89b6db95b","versionType":"git"},{"lessThan":"2c7912732184773dbd371a411da87af1cc080b86","status":"affected","version":"c0cbe70742f4a70893cd6e5f6b10b6e89b6db95b","versionType":"git"},{"status":"affected","version":"c5409ce523af40d5c3019717bc5b4f72038d48be","versionType":"git"},{"status":"affected","version":"d52acd23a327cada5fb597591267cfc09f08bb1d","versionType":"git"},{"lessThan":"5.11","status":"affected","version":"5.10.220","versionType":"semver"},{"lessThan":"5.16","status":"affected","version":"5.15.154","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/nfsd/nfs4proc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.0"},{"lessThan":"6.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.51","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.51","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.4","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.220","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.154","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: check nfsd4_acl_to_attr() return value in nfsd4_create()\n\nnfsd4_create() stores the return value of nfsd4_acl_to_attr() in\nstatus, but the switch(create->cr_type) block unconditionally\noverwrites it in every branch. ACL translation errors are silently\ndiscarded, and the CREATE proceeds without the requested ACL.\n\nAdd an early exit check after nfsd4_acl_to_attr(), matching the\npattern already used in nfsd4_setattr().\n\n[ cel: prefer NFS4ERR_BADTYPE over NFS4ERR_ATTRNOTSUPP ]"}],"providerMetadata":{"dateUpdated":"2026-09-11T19:46:12.775Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/430ed49a16cf9ca249d0fb51490582090bc4848b"},{"url":"https://git.kernel.org/stable/c/80cebb0e8a8d1e758f0d671f5e047279c5c3e528"},{"url":"https://git.kernel.org/stable/c/2c7912732184773dbd371a411da87af1cc080b86"}],"title":"nfsd: check nfsd4_acl_to_attr() return value in nfsd4_create()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89693","datePublished":"2026-09-11T19:46:12.775Z","dateReserved":"2026-09-11T19:38:34.749Z","dateUpdated":"2026-09-11T19:46:12.775Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-11 20:19:56","lastModifiedDate":"2026-09-11 20:19:56","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89693","Ordinal":"1","Title":"nfsd: check nfsd4_acl_to_attr() return value in nfsd4_create()","CVE":"CVE-2026-89693","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89693","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: check nfsd4_acl_to_attr() return value in nfsd4_create()\n\nnfsd4_create() stores the return value of nfsd4_acl_to_attr() in\nstatus, but the switch(create->cr_type) block unconditionally\noverwrites it in every branch. ACL translation errors are silently\ndiscarded, and the CREATE proceeds without the requested ACL.\n\nAdd an early exit check after nfsd4_acl_to_attr(), matching the\npattern already used in nfsd4_setattr().\n\n[ cel: prefer NFS4ERR_BADTYPE over NFS4ERR_ATTRNOTSUPP ]","Type":"Description","Title":"nfsd: check nfsd4_acl_to_attr() return value in nfsd4_create()"}]}}}