{"api_version":"1","generated_at":"2026-09-30T23:54:15+00:00","cve":"CVE-2026-98090","urls":{"html":"https://cve.report/CVE-2026-98090","api":"https://cve.report/api/cve/CVE-2026-98090.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98090","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98090"},"summary":{"title":"btrfs: restore active device pointers after failed sprout","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: restore active device pointers after failed sprout\n\nbtrfs_init_new_device() switches latest_dev and possibly s_bdev from the\nseed device to the new sprout device before creating the first writable\nchunks.\n\nIf chunk creation or the subsequent sprout setup fails, the error path\nreleases the new device without switching those pointers back.\nbtrfs_show_devname() can then dereference the freed latest_dev and crash.\n\nRestore the active device pointers to the latest seed device before\nremoving and releasing the failed sprout device.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:38","updated_at":"2026-09-30 14:10:59"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/e127ac29a52134d0f4cba39d38e4b375deb3d1aa","name":"https://git.kernel.org/stable/c/e127ac29a52134d0f4cba39d38e4b375deb3d1aa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2ee5c4bc11007c51f63f0c1be5d3f07f2b404ff7","name":"https://git.kernel.org/stable/c/2ee5c4bc11007c51f63f0c1be5d3f07f2b404ff7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e0b54613aabeb8e9da597f23b90c6a03d0981986","name":"https://git.kernel.org/stable/c/e0b54613aabeb8e9da597f23b90c6a03d0981986","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b79b4b29003690acfade8241998fc0104ef9c84c","name":"https://git.kernel.org/stable/c/b79b4b29003690acfade8241998fc0104ef9c84c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98090","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98090","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b7cb29e666fe79dda5dbe5f57fb7c92413bf161c 2ee5c4bc11007c51f63f0c1be5d3f07f2b404ff7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b7cb29e666fe79dda5dbe5f57fb7c92413bf161c e127ac29a52134d0f4cba39d38e4b375deb3d1aa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b7cb29e666fe79dda5dbe5f57fb7c92413bf161c b79b4b29003690acfade8241998fc0104ef9c84c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b7cb29e666fe79dda5dbe5f57fb7c92413bf161c e0b54613aabeb8e9da597f23b90c6a03d0981986 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a6e7e218a4d6488d56727a7d9aee1b7e78c0c485 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.15.11 5.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.16","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.16 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":"98090","cve":"CVE-2026-98090","epss":"0.001680000","percentile":"0.054000000","score_date":"2026-09-27","updated_at":"2026-09-28 00:02:24"},"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":"2ee5c4bc11007c51f63f0c1be5d3f07f2b404ff7","status":"affected","version":"b7cb29e666fe79dda5dbe5f57fb7c92413bf161c","versionType":"git"},{"lessThan":"e127ac29a52134d0f4cba39d38e4b375deb3d1aa","status":"affected","version":"b7cb29e666fe79dda5dbe5f57fb7c92413bf161c","versionType":"git"},{"lessThan":"b79b4b29003690acfade8241998fc0104ef9c84c","status":"affected","version":"b7cb29e666fe79dda5dbe5f57fb7c92413bf161c","versionType":"git"},{"lessThan":"e0b54613aabeb8e9da597f23b90c6a03d0981986","status":"affected","version":"b7cb29e666fe79dda5dbe5f57fb7c92413bf161c","versionType":"git"},{"status":"affected","version":"a6e7e218a4d6488d56727a7d9aee1b7e78c0c485","versionType":"git"},{"lessThan":"5.16","status":"affected","version":"5.15.11","versionType":"semver"}]},{"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":"5.16"},{"lessThan":"5.16","status":"unaffected","version":"0","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":"6.12.111","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc2","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: restore active device pointers after failed sprout\n\nbtrfs_init_new_device() switches latest_dev and possibly s_bdev from the\nseed device to the new sprout device before creating the first writable\nchunks.\n\nIf chunk creation or the subsequent sprout setup fails, the error path\nreleases the new device without switching those pointers back.\nbtrfs_show_devname() can then dereference the freed latest_dev and crash.\n\nRestore the active device pointers to the latest seed device before\nremoving and releasing the failed sprout device."}],"providerMetadata":{"dateUpdated":"2026-09-25T10:24:23.474Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/2ee5c4bc11007c51f63f0c1be5d3f07f2b404ff7"},{"url":"https://git.kernel.org/stable/c/e127ac29a52134d0f4cba39d38e4b375deb3d1aa"},{"url":"https://git.kernel.org/stable/c/b79b4b29003690acfade8241998fc0104ef9c84c"},{"url":"https://git.kernel.org/stable/c/e0b54613aabeb8e9da597f23b90c6a03d0981986"}],"title":"btrfs: restore active device pointers after failed sprout","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98090","datePublished":"2026-09-25T10:24:23.474Z","dateReserved":"2026-09-25T10:19:56.075Z","dateUpdated":"2026-09-25T10:24:23.474Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:38","lastModifiedDate":"2026-09-30 14:10:59","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98090","Ordinal":"1","Title":"btrfs: restore active device pointers after failed sprout","CVE":"CVE-2026-98090","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98090","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: restore active device pointers after failed sprout\n\nbtrfs_init_new_device() switches latest_dev and possibly s_bdev from the\nseed device to the new sprout device before creating the first writable\nchunks.\n\nIf chunk creation or the subsequent sprout setup fails, the error path\nreleases the new device without switching those pointers back.\nbtrfs_show_devname() can then dereference the freed latest_dev and crash.\n\nRestore the active device pointers to the latest seed device before\nremoving and releasing the failed sprout device.","Type":"Description","Title":"btrfs: restore active device pointers after failed sprout"}]}}}