{"api_version":"1","generated_at":"2026-10-08T12:05:09+00:00","cve":"CVE-2026-97552","urls":{"html":"https://cve.report/CVE-2026-97552","api":"https://cve.report/api/cve/CVE-2026-97552.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-97552","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-97552"},"summary":{"title":"xfs: initialise error in xfs_defer_finish_one()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: initialise error in xfs_defer_finish_one()\n\nxfs_defer_finish_one() declares error without an initialiser and only\nassigns it inside the loop over dfp->dfp_work.  When that list is empty\nthe loop body never runs, control falls through to the \"Done with the\ndfp, free it\" path, and the function returns an indeterminate value.\n\nAn item-less pending item reaches this through xfs_defer_add_barrier(),\nwhich xfs_reap_ag_blocks() uses on any CONFIG_XFS_ONLINE_REPAIR kernel.\nxfs_defer_finish_noroll() treats any non-EAGAIN return as fatal, so a\nnon-zero stack value turns a successful barrier into a\nSHUTDOWN_CORRUPT_INCORE in the middle of a repair.  Zero is the correct\nresult: reaching the free path means the item loop drained without a\nnon-zero error.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:05","updated_at":"2026-09-25 11:17:05"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/ba949a14446b7346e92e676ee3fe2bb79d9ce450","name":"https://git.kernel.org/stable/c/ba949a14446b7346e92e676ee3fe2bb79d9ce450","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6176d21d7bd609632c5b7e87a3adb9be29ec1e72","name":"https://git.kernel.org/stable/c/6176d21d7bd609632c5b7e87a3adb9be29ec1e72","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6b507c239884f7d4bf8339f6e9eb8bfcb540afde","name":"https://git.kernel.org/stable/c/6b507c239884f7d4bf8339f6e9eb8bfcb540afde","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/30748a24b9f04f9a83599ba907cc8fbff0729f3c","name":"https://git.kernel.org/stable/c/30748a24b9f04f9a83599ba907cc8fbff0729f3c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97552","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97552","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3f3cec031099c37513727efc978a12b6346e326d 30748a24b9f04f9a83599ba907cc8fbff0729f3c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3f3cec031099c37513727efc978a12b6346e326d ba949a14446b7346e92e676ee3fe2bb79d9ce450 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3f3cec031099c37513727efc978a12b6346e326d 6b507c239884f7d4bf8339f6e9eb8bfcb540afde git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3f3cec031099c37513727efc978a12b6346e326d 6176d21d7bd609632c5b7e87a3adb9be29ec1e72 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.8","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.8 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-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"97552","cve":"CVE-2026-97552","epss":"0.002000000","percentile":"0.088120000","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/xfs/libxfs/xfs_defer.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"30748a24b9f04f9a83599ba907cc8fbff0729f3c","status":"affected","version":"3f3cec031099c37513727efc978a12b6346e326d","versionType":"git"},{"lessThan":"ba949a14446b7346e92e676ee3fe2bb79d9ce450","status":"affected","version":"3f3cec031099c37513727efc978a12b6346e326d","versionType":"git"},{"lessThan":"6b507c239884f7d4bf8339f6e9eb8bfcb540afde","status":"affected","version":"3f3cec031099c37513727efc978a12b6346e326d","versionType":"git"},{"lessThan":"6176d21d7bd609632c5b7e87a3adb9be29ec1e72","status":"affected","version":"3f3cec031099c37513727efc978a12b6346e326d","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/xfs/libxfs/xfs_defer.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.8"},{"lessThan":"6.8","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-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc3","versionStartIncluding":"6.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: initialise error in xfs_defer_finish_one()\n\nxfs_defer_finish_one() declares error without an initialiser and only\nassigns it inside the loop over dfp->dfp_work.  When that list is empty\nthe loop body never runs, control falls through to the \"Done with the\ndfp, free it\" path, and the function returns an indeterminate value.\n\nAn item-less pending item reaches this through xfs_defer_add_barrier(),\nwhich xfs_reap_ag_blocks() uses on any CONFIG_XFS_ONLINE_REPAIR kernel.\nxfs_defer_finish_noroll() treats any non-EAGAIN return as fatal, so a\nnon-zero stack value turns a successful barrier into a\nSHUTDOWN_CORRUPT_INCORE in the middle of a repair.  Zero is the correct\nresult: reaching the free path means the item loop drained without a\nnon-zero error."}],"providerMetadata":{"dateUpdated":"2026-09-25T10:21:44.651Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/30748a24b9f04f9a83599ba907cc8fbff0729f3c"},{"url":"https://git.kernel.org/stable/c/ba949a14446b7346e92e676ee3fe2bb79d9ce450"},{"url":"https://git.kernel.org/stable/c/6b507c239884f7d4bf8339f6e9eb8bfcb540afde"},{"url":"https://git.kernel.org/stable/c/6176d21d7bd609632c5b7e87a3adb9be29ec1e72"}],"title":"xfs: initialise error in xfs_defer_finish_one()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-97552","datePublished":"2026-09-25T10:21:44.651Z","dateReserved":"2026-09-24T16:01:01.154Z","dateUpdated":"2026-09-25T10:21:44.651Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:05","lastModifiedDate":"2026-09-25 11:17:05","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"97552","Ordinal":"1","Title":"xfs: initialise error in xfs_defer_finish_one()","CVE":"CVE-2026-97552","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"97552","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: initialise error in xfs_defer_finish_one()\n\nxfs_defer_finish_one() declares error without an initialiser and only\nassigns it inside the loop over dfp->dfp_work.  When that list is empty\nthe loop body never runs, control falls through to the \"Done with the\ndfp, free it\" path, and the function returns an indeterminate value.\n\nAn item-less pending item reaches this through xfs_defer_add_barrier(),\nwhich xfs_reap_ag_blocks() uses on any CONFIG_XFS_ONLINE_REPAIR kernel.\nxfs_defer_finish_noroll() treats any non-EAGAIN return as fatal, so a\nnon-zero stack value turns a successful barrier into a\nSHUTDOWN_CORRUPT_INCORE in the middle of a repair.  Zero is the correct\nresult: reaching the free path means the item loop drained without a\nnon-zero error.","Type":"Description","Title":"xfs: initialise error in xfs_defer_finish_one()"}]}}}