{"id":"CVE-2026-90150","state":"PUBLISHED","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.","publishedAt":"2026-09-17T16:06:44.320Z","updatedAt":"2026-10-30T12:34:24.912Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","status":"affected","lessThan":"710ae187a5d490a894054d17645cf5c83d37dfbf","versionType":"git"},{"version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","status":"affected","lessThan":"51d162dfb618f6cf3aa5e331c0305e27771ad884","versionType":"git"},{"version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","status":"affected","lessThan":"8a2494964edac2a13e82441c2bf887548dc3be0b","versionType":"git"},{"version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","status":"affected","lessThan":"1e1c36b206c659cf94c6755a1d821ed1babd32bc","versionType":"git"},{"version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","status":"affected","lessThan":"23e4162405c456ce12c772d5882d306135e828ae","versionType":"git"},{"version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","status":"affected","lessThan":"c056f817e4200fb18079d5052c273a22f191ff0a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/blocklayout/dev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.18","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/blocklayout/dev.c"]}],"references":["https://git.kernel.org/stable/c/710ae187a5d490a894054d17645cf5c83d37dfbf","https://git.kernel.org/stable/c/51d162dfb618f6cf3aa5e331c0305e27771ad884","https://git.kernel.org/stable/c/8a2494964edac2a13e82441c2bf887548dc3be0b","https://git.kernel.org/stable/c/1e1c36b206c659cf94c6755a1d821ed1babd32bc","https://git.kernel.org/stable/c/23e4162405c456ce12c772d5882d306135e828ae","https://git.kernel.org/stable/c/c056f817e4200fb18079d5052c273a22f191ff0a"],"weaknesses":[],"ingestedAt":"2026-10-30T12:54:04.478Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90150.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90150","state":"PUBLISHED","datePublished":"2026-09-17T16:06:44.320Z","dateUpdated":"2026-10-30T12:34:24.912Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.789Z"},"containers":{"cna":{"title":"pnfs/blocklayout: Fix device leaks on parse failure","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","status":"affected","lessThan":"710ae187a5d490a894054d17645cf5c83d37dfbf","versionType":"git"},{"version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","status":"affected","lessThan":"51d162dfb618f6cf3aa5e331c0305e27771ad884","versionType":"git"},{"version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","status":"affected","lessThan":"8a2494964edac2a13e82441c2bf887548dc3be0b","versionType":"git"},{"version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","status":"affected","lessThan":"1e1c36b206c659cf94c6755a1d821ed1babd32bc","versionType":"git"},{"version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","status":"affected","lessThan":"23e4162405c456ce12c772d5882d306135e828ae","versionType":"git"},{"version":"5c83746a0cf2831d4b59f5cf99ef5fbf138564e4","status":"affected","lessThan":"c056f817e4200fb18079d5052c273a22f191ff0a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/blocklayout/dev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.18","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/blocklayout/dev.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/710ae187a5d490a894054d17645cf5c83d37dfbf"},{"url":"https://git.kernel.org/stable/c/51d162dfb618f6cf3aa5e331c0305e27771ad884"},{"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:34:24.912Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}