CVE-2026-98081

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98081", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:19:56.075Z", "datePublished": "2026-09-25T10:24:18.091Z", "dateUpdated": "2026-10-21T12:54:24.847Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:54:24.847Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: zoned: finish active block group cleanup if call_zone_finish() fails\n\ndo_zone_finish() clears BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE before finishing\nthe zones. If call_zone_finish() then fails it returned early, leaving the\nnow inactive block group on fs_info->zone_active_bgs, leaking its\nreference, the BTRFS_FS_NEED_ZONE_FINISH waiters are never woken, and as\nits alloc_offset equals the zone capacity btrfs_zone_finish_one_bg() keeps\nselecting it, spinning btrfs_zoned_activate_one_bg().\n\nFall through to the cleanup on failure too and return the error, but keep\nthe block group read-only as its zones are left inconsistent."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/btrfs/zoned.c"], "versions": [{"version": "d70cbdda75da3f258118a558c087157e073229fb", "lessThan": "433d52b196a689b18dcfadc7cf6c784f0e5cc7c9", "status": "affected", "versionType": "git"}, {"version": "d70cbdda75da3f258118a558c087157e073229fb", "lessThan": "36b9cdab44848f25879ca625275c92b007f84653", "status": "affected", "versionType": "git"}, {"version": "d70cbdda75da3f258118a558c087157e073229fb", "lessThan": "40370f02a1ca3760f8925ffcbe76eb4d91ea758d", "status": "affected", "versionType": "git"}, {"version": "d70cbdda75da3f258118a558c087157e073229fb", "lessThan": "e1b168a53174b385e3548bfbd079513b22ac240c", "status": "affected", "versionType": "git"}, {"version": "d70cbdda75da3f258118a558c087157e073229fb", "lessThan": "a18a6b93a2843b9d103d3456bbd4b3f90282a379", "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/zoned.c"], "versions": [{"version": "5.19", "status": "affected"}, {"version": "0", "lessThan": "5.19", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "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": "5.19", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/433d52b196a689b18dcfadc7cf6c784f0e5cc7c9"}, {"url": "https://git.kernel.org/stable/c/36b9cdab44848f25879ca625275c92b007f84653"}, {"url": "https://git.kernel.org/stable/c/40370f02a1ca3760f8925ffcbe76eb4d91ea758d"}, {"url": "https://git.kernel.org/stable/c/e1b168a53174b385e3548bfbd079513b22ac240c"}, {"url": "https://git.kernel.org/stable/c/a18a6b93a2843b9d103d3456bbd4b3f90282a379"}], "title": "btrfs: zoned: finish active block group cleanup if call_zone_finish() fails", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/btrfs/zoned.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "433d52b196a689b18dcfadc7cf6c784f0e5cc7c9", "status": "affected", "version": "d70cbdda75da3f258118a558c087157e073229fb", "versionType": "git"}, {"lessThan": "36b9cdab44848f25879ca625275c92b007f84653", "status": "affected", "version": "d70cbdda75da3f258118a558c087157e073229fb", "versionType": "git"}, {"lessThan": "40370f02a1ca3760f8925ffcbe76eb4d91ea758d", "status": "affected", "version": "d70cbdda75da3f258118a558c087157e073229fb", "versionType": "git"}, {"lessThan": "e1b168a53174b385e3548bfbd079513b22ac240c", "status": "affected", "version": "d70cbdda75da3f258118a558c087157e073229fb", "versionType": "git"}, {"lessThan": "a18a6b93a2843b9d103d3456bbd4b3f90282a379", "status": "affected", "version": "d70cbdda75da3f258118a558c087157e073229fb", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/btrfs/zoned.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.19"}, {"lessThan": "5.19", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "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", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: zoned: finish active block group cleanup if call_zone_finish() fails\n\ndo_zone_finish() clears BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE before finishing\nthe zones. If call_zone_finish() then fails it returned early, leaving the\nnow inactive block group on fs_info->zone_active_bgs, leaking its\nreference, the BTRFS_FS_NEED_ZONE_FINISH waiters are never woken, and as\nits alloc_offset equals the zone capacity btrfs_zone_finish_one_bg() keeps\nselecting it, spinning btrfs_zoned_activate_one_bg().\n\nFall through to the cleanup on failure too and return the error, but keep\nthe block group read-only as its zones are left inconsistent."}], "id": "CVE-2026-98081", "lastModified": "2026-10-21T13:21:21.793", "metrics": {}, "published": "2026-09-25T11:17:37.573", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/36b9cdab44848f25879ca625275c92b007f84653"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/40370f02a1ca3760f8925ffcbe76eb4d91ea758d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/433d52b196a689b18dcfadc7cf6c784f0e5cc7c9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a18a6b93a2843b9d103d3456bbd4b3f90282a379"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e1b168a53174b385e3548bfbd079513b22ac240c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Undergoing Analysis"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d70cbdda75da3f258118a558c087157e073229fb,36b9cdab44848f25879ca625275c92b007f84653)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d70cbdda75da3f258118a558c087157e073229fb,40370f02a1ca3760f8925ffcbe76eb4d91ea758d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d70cbdda75da3f258118a558c087157e073229fb,e1b168a53174b385e3548bfbd079513b22ac240c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d70cbdda75da3f258118a558c087157e073229fb,a18a6b93a2843b9d103d3456bbd4b3f90282a379)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-25T16:15:16.288571+00:00", "updated": "2026-09-26T05:30:04.408983+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-668", "CWE-665"]}