CVE-2026-98091

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98091", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:19:56.075Z", "datePublished": "2026-09-25T10:24:24.082Z", "dateUpdated": "2026-10-19T09:13:43.350Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:13:43.350Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/btrfs/volumes.c"], "versions": [{"version": "bbbf7243d62d8be73b7ef60721c127b36b2d523e", "lessThan": "2a57fb1d5ce8f316b81bbb60e6df245ebc816ffc", "status": "affected", "versionType": "git"}, {"version": "bbbf7243d62d8be73b7ef60721c127b36b2d523e", "lessThan": "86eff3052054e8f3b059b2d5845b6dcca021f20c", "status": "affected", "versionType": "git"}, {"version": "bbbf7243d62d8be73b7ef60721c127b36b2d523e", "lessThan": "63bfa52eb3289517aa82cb90e1189385873aae21", "status": "affected", "versionType": "git"}, {"version": "bbbf7243d62d8be73b7ef60721c127b36b2d523e", "lessThan": "7fe9dfbca43464baa8f050447a4837587b18adec", "status": "affected", "versionType": "git"}, {"version": "bbbf7243d62d8be73b7ef60721c127b36b2d523e", "lessThan": "e9e7e37afa85db770e6084360b21a21a8b3a583f", "status": "affected", "versionType": "git"}, {"version": "bbbf7243d62d8be73b7ef60721c127b36b2d523e", "lessThan": "8b001df2b37ca022f710f3254fbb0bcd6d9e1bed", "status": "affected", "versionType": "git"}, {"version": "bbbf7243d62d8be73b7ef60721c127b36b2d523e", "lessThan": "0ea6814bc0ff7cff443241bd34db9f0f828f3190", "status": "affected", "versionType": "git"}, {"version": "bbbf7243d62d8be73b7ef60721c127b36b2d523e", "lessThan": "c93b3c43df561cd9f592cee20ae058b563f9e5b6", "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/btrfs/volumes.c"], "versions": [{"version": "5.2", "status": "affected"}, {"version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.271", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.222", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "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": "5.2", "versionEndExcluding": "5.10.271"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.15.222"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "7.3"}]}]}], "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"}}}}

{}

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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."}], "id": "CVE-2026-98091", "lastModified": "2026-10-23T18:55:09.060", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-09-25T11:17:38.807", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0ea6814bc0ff7cff443241bd34db9f0f828f3190"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2a57fb1d5ce8f316b81bbb60e6df245ebc816ffc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/63bfa52eb3289517aa82cb90e1189385873aae21"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7fe9dfbca43464baa8f050447a4837587b18adec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/86eff3052054e8f3b059b2d5845b6dcca021f20c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8b001df2b37ca022f710f3254fbb0bcd6d9e1bed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c93b3c43df561cd9f592cee20ae058b563f9e5b6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e9e7e37afa85db770e6084360b21a21a8b3a583f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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