{"api_version":"1","generated_at":"2026-10-02T11:08:27+00:00","cve":"CVE-2026-90150","urls":{"html":"https://cve.report/CVE-2026-90150","api":"https://cve.report/api/cve/CVE-2026-90150.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90150","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90150"},"summary":{"title":"pnfs/blocklayout: Fix device leaks on parse failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npnfs/blocklayout: Fix device leaks on parse failure\n\nbl_parse_concat() and bl_parse_stripe() allocate a child device array and\nthen parse each child in turn.  If parsing a child fails, the failed child is\nnot counted in nr_children and the parent may be left with a children array\nthat bl_free_device() will not release when nr_children is zero.\n\nRelease the failed child and the already parsed children before returning the\nerror.  Also make bl_free_device() release the child array whenever the\nchildren pointer is set, so that partially initialised concat or stripe\ndevices are cleaned up correctly.\n\nbl_parse_scsi() can also fail after assigning d->bdev_file and dropping the\nfile reference.  Clear the pointer after fput() so that an outer cleanup path\ndoes not put it again.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:07","updated_at":"2026-09-17 17:17:07"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/23e4162405c456ce12c772d5882d306135e828ae","name":"https://git.kernel.org/stable/c/23e4162405c456ce12c772d5882d306135e828ae","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c056f817e4200fb18079d5052c273a22f191ff0a","name":"https://git.kernel.org/stable/c/c056f817e4200fb18079d5052c273a22f191ff0a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8a2494964edac2a13e82441c2bf887548dc3be0b","name":"https://git.kernel.org/stable/c/8a2494964edac2a13e82441c2bf887548dc3be0b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1e1c36b206c659cf94c6755a1d821ed1babd32bc","name":"https://git.kernel.org/stable/c/1e1c36b206c659cf94c6755a1d821ed1babd32bc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90150","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90150","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5c83746a0cf2831d4b59f5cf99ef5fbf138564e4 8a2494964edac2a13e82441c2bf887548dc3be0b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5c83746a0cf2831d4b59f5cf99ef5fbf138564e4 1e1c36b206c659cf94c6755a1d821ed1babd32bc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5c83746a0cf2831d4b59f5cf99ef5fbf138564e4 23e4162405c456ce12c772d5882d306135e828ae git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5c83746a0cf2831d4b59f5cf99ef5fbf138564e4 c056f817e4200fb18079d5052c273a22f191ff0a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.18","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.18 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 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":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/nfs/blocklayout/dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8a2494964edac2a13e82441c2bf887548dc3be0b","status":"affected","version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","versionType":"git"},{"lessThan":"1e1c36b206c659cf94c6755a1d821ed1babd32bc","status":"affected","version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","versionType":"git"},{"lessThan":"23e4162405c456ce12c772d5882d306135e828ae","status":"affected","version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","versionType":"git"},{"lessThan":"c056f817e4200fb18079d5052c273a22f191ff0a","status":"affected","version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/nfs/blocklayout/dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.18"},{"lessThan":"3.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","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":"6.12.110","versionStartIncluding":"3.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"3.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"3.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"3.18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npnfs/blocklayout: Fix device leaks on parse failure\n\nbl_parse_concat() and bl_parse_stripe() allocate a child device array and\nthen parse each child in turn.  If parsing a child fails, the failed child is\nnot counted in nr_children and the parent may be left with a children array\nthat bl_free_device() will not release when nr_children is zero.\n\nRelease the failed child and the already parsed children before returning the\nerror.  Also make bl_free_device() release the child array whenever the\nchildren pointer is set, so that partially initialised concat or stripe\ndevices are cleaned up correctly.\n\nbl_parse_scsi() can also fail after assigning d->bdev_file and dropping the\nfile reference.  Clear the pointer after fput() so that an outer cleanup path\ndoes not put it again."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:06:44.320Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/8a2494964edac2a13e82441c2bf887548dc3be0b"},{"url":"https://git.kernel.org/stable/c/1e1c36b206c659cf94c6755a1d821ed1babd32bc"},{"url":"https://git.kernel.org/stable/c/23e4162405c456ce12c772d5882d306135e828ae"},{"url":"https://git.kernel.org/stable/c/c056f817e4200fb18079d5052c273a22f191ff0a"}],"title":"pnfs/blocklayout: Fix device leaks on parse failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90150","datePublished":"2026-09-17T16:06:44.320Z","dateReserved":"2026-09-11T19:38:34.789Z","dateUpdated":"2026-09-17T16:06:44.320Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:07","lastModifiedDate":"2026-09-17 17:17:07","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90150","Ordinal":"1","Title":"pnfs/blocklayout: Fix device leaks on parse failure","CVE":"CVE-2026-90150","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90150","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\npnfs/blocklayout: Fix device leaks on parse failure\n\nbl_parse_concat() and bl_parse_stripe() allocate a child device array and\nthen parse each child in turn.  If parsing a child fails, the failed child is\nnot counted in nr_children and the parent may be left with a children array\nthat bl_free_device() will not release when nr_children is zero.\n\nRelease the failed child and the already parsed children before returning the\nerror.  Also make bl_free_device() release the child array whenever the\nchildren pointer is set, so that partially initialised concat or stripe\ndevices are cleaned up correctly.\n\nbl_parse_scsi() can also fail after assigning d->bdev_file and dropping the\nfile reference.  Clear the pointer after fput() so that an outer cleanup path\ndoes not put it again.","Type":"Description","Title":"pnfs/blocklayout: Fix device leaks on parse failure"}]}}}