{"api_version":"1","generated_at":"2026-10-07T00:10:09+00:00","cve":"CVE-2026-98091","urls":{"html":"https://cve.report/CVE-2026-98091","api":"https://cve.report/api/cve/CVE-2026-98091.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98091","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98091"},"summary":{"title":"btrfs: detach failed sprout device from transaction update list","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: detach failed sprout device from transaction update list\n\nWhen creating the first metadata chunk for a sprout filesystem,\ncreate_chunk() adds the new device to the transaction dev_update_list\nthrough device->post_commit_list.\n\nIf the subsequent system chunk creation fails, btrfs_init_new_device()\naborts the transaction and releases the device while post_commit_list is\nstill linked. This triggers a warning in btrfs_free_device() and leaves\nthe transaction list referencing freed memory.\n\nDetach the device while holding chunk_mutex before releasing it.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:38","updated_at":"2026-10-03 11:18:30"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/86eff3052054e8f3b059b2d5845b6dcca021f20c","name":"https://git.kernel.org/stable/c/86eff3052054e8f3b059b2d5845b6dcca021f20c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2a57fb1d5ce8f316b81bbb60e6df245ebc816ffc","name":"https://git.kernel.org/stable/c/2a57fb1d5ce8f316b81bbb60e6df245ebc816ffc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c93b3c43df561cd9f592cee20ae058b563f9e5b6","name":"https://git.kernel.org/stable/c/c93b3c43df561cd9f592cee20ae058b563f9e5b6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8b001df2b37ca022f710f3254fbb0bcd6d9e1bed","name":"https://git.kernel.org/stable/c/8b001df2b37ca022f710f3254fbb0bcd6d9e1bed","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7fe9dfbca43464baa8f050447a4837587b18adec","name":"https://git.kernel.org/stable/c/7fe9dfbca43464baa8f050447a4837587b18adec","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0ea6814bc0ff7cff443241bd34db9f0f828f3190","name":"https://git.kernel.org/stable/c/0ea6814bc0ff7cff443241bd34db9f0f828f3190","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/63bfa52eb3289517aa82cb90e1189385873aae21","name":"https://git.kernel.org/stable/c/63bfa52eb3289517aa82cb90e1189385873aae21","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e9e7e37afa85db770e6084360b21a21a8b3a583f","name":"https://git.kernel.org/stable/c/e9e7e37afa85db770e6084360b21a21a8b3a583f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98091","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98091","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bbbf7243d62d8be73b7ef60721c127b36b2d523e 2a57fb1d5ce8f316b81bbb60e6df245ebc816ffc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bbbf7243d62d8be73b7ef60721c127b36b2d523e 86eff3052054e8f3b059b2d5845b6dcca021f20c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bbbf7243d62d8be73b7ef60721c127b36b2d523e 63bfa52eb3289517aa82cb90e1189385873aae21 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bbbf7243d62d8be73b7ef60721c127b36b2d523e 7fe9dfbca43464baa8f050447a4837587b18adec git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.222 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.189 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.158 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.7 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"98091","cve":"CVE-2026-98091","epss":"0.001760000","percentile":"0.065310000","score_date":"2026-10-05","updated_at":"2026-10-06 00:14:18"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/btrfs/volumes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2a57fb1d5ce8f316b81bbb60e6df245ebc816ffc","status":"affected","version":"bbbf7243d62d8be73b7ef60721c127b36b2d523e","versionType":"git"},{"lessThan":"86eff3052054e8f3b059b2d5845b6dcca021f20c","status":"affected","version":"bbbf7243d62d8be73b7ef60721c127b36b2d523e","versionType":"git"},{"lessThan":"63bfa52eb3289517aa82cb90e1189385873aae21","status":"affected","version":"bbbf7243d62d8be73b7ef60721c127b36b2d523e","versionType":"git"},{"lessThan":"7fe9dfbca43464baa8f050447a4837587b18adec","status":"affected","version":"bbbf7243d62d8be73b7ef60721c127b36b2d523e","versionType":"git"},{"lessThan":"e9e7e37afa85db770e6084360b21a21a8b3a583f","status":"affected","version":"bbbf7243d62d8be73b7ef60721c127b36b2d523e","versionType":"git"},{"lessThan":"8b001df2b37ca022f710f3254fbb0bcd6d9e1bed","status":"affected","version":"bbbf7243d62d8be73b7ef60721c127b36b2d523e","versionType":"git"},{"lessThan":"0ea6814bc0ff7cff443241bd34db9f0f828f3190","status":"affected","version":"bbbf7243d62d8be73b7ef60721c127b36b2d523e","versionType":"git"},{"lessThan":"c93b3c43df561cd9f592cee20ae058b563f9e5b6","status":"affected","version":"bbbf7243d62d8be73b7ef60721c127b36b2d523e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/btrfs/volumes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.2"},{"lessThan":"5.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.271","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.222","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.271","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.222","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.189","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc2","versionStartIncluding":"5.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: detach failed sprout device from transaction update list\n\nWhen creating the first metadata chunk for a sprout filesystem,\ncreate_chunk() adds the new device to the transaction dev_update_list\nthrough device->post_commit_list.\n\nIf the subsequent system chunk creation fails, btrfs_init_new_device()\naborts the transaction and releases the device while post_commit_list is\nstill linked. This triggers a warning in btrfs_free_device() and leaves\nthe transaction list referencing freed memory.\n\nDetach the device while holding chunk_mutex before releasing it."}],"providerMetadata":{"dateUpdated":"2026-10-03T11:02:16.976Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/2a57fb1d5ce8f316b81bbb60e6df245ebc816ffc"},{"url":"https://git.kernel.org/stable/c/86eff3052054e8f3b059b2d5845b6dcca021f20c"},{"url":"https://git.kernel.org/stable/c/63bfa52eb3289517aa82cb90e1189385873aae21"},{"url":"https://git.kernel.org/stable/c/7fe9dfbca43464baa8f050447a4837587b18adec"},{"url":"https://git.kernel.org/stable/c/e9e7e37afa85db770e6084360b21a21a8b3a583f"},{"url":"https://git.kernel.org/stable/c/8b001df2b37ca022f710f3254fbb0bcd6d9e1bed"},{"url":"https://git.kernel.org/stable/c/0ea6814bc0ff7cff443241bd34db9f0f828f3190"},{"url":"https://git.kernel.org/stable/c/c93b3c43df561cd9f592cee20ae058b563f9e5b6"}],"title":"btrfs: detach failed sprout device from transaction update list","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98091","datePublished":"2026-09-25T10:24:24.082Z","dateReserved":"2026-09-25T10:19:56.075Z","dateUpdated":"2026-10-03T11:02:16.976Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:38","lastModifiedDate":"2026-10-03 11:18:30","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98091","Ordinal":"1","Title":"btrfs: detach failed sprout device from transaction update list","CVE":"CVE-2026-98091","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98091","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: detach failed sprout device from transaction update list\n\nWhen creating the first metadata chunk for a sprout filesystem,\ncreate_chunk() adds the new device to the transaction dev_update_list\nthrough device->post_commit_list.\n\nIf the subsequent system chunk creation fails, btrfs_init_new_device()\naborts the transaction and releases the device while post_commit_list is\nstill linked. This triggers a warning in btrfs_free_device() and leaves\nthe transaction list referencing freed memory.\n\nDetach the device while holding chunk_mutex before releasing it.","Type":"Description","Title":"btrfs: detach failed sprout device from transaction update list"}]}}}