{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98447", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.349Z", "datePublished": "2026-10-18T15:14:57.561Z", "dateUpdated": "2026-10-18T15:14:57.561Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-18T15:14:57.561Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: fix wild memcpy access when formatting ondisk rtrefcount btree roots\n\nLOLLM noticed that the inode btree root formatting methods copy too many\nbytes -- there's only one set of keys in node blocks, not two. This\ncauses memory corruption of whatever's beyond the buffers."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/xfs/libxfs/xfs_rtrefcount_btree.c"], "versions": [{"version": "f0415af60f482a2192065be8b334b409495ca8a3", "lessThan": "d46492fb8018d12d00651b06b9d240e747110b38", "status": "affected", "versionType": "git"}, {"version": "f0415af60f482a2192065be8b334b409495ca8a3", "lessThan": "2703b954d306ebfe3b11e33e259759329c11b690", "status": "affected", "versionType": "git"}, {"version": "f0415af60f482a2192065be8b334b409495ca8a3", "lessThan": "fe2f9135df43db849e74f03956d322ac20b59af7", "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/xfs/libxfs/xfs_rtrefcount_btree.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.55", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.9", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc5", "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": "6.14", "versionEndExcluding": "6.18.55"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.2.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.3-rc5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d46492fb8018d12d00651b06b9d240e747110b38"}, {"url": "https://git.kernel.org/stable/c/2703b954d306ebfe3b11e33e259759329c11b690"}, {"url": "https://git.kernel.org/stable/c/fe2f9135df43db849e74f03956d322ac20b59af7"}], "title": "xfs: fix wild memcpy access when formatting ondisk rtrefcount btree roots", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/xfs/libxfs/xfs_rtrefcount_btree.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d46492fb8018d12d00651b06b9d240e747110b38", "status": "affected", "version": "f0415af60f482a2192065be8b334b409495ca8a3", "versionType": "git"}, {"lessThan": "2703b954d306ebfe3b11e33e259759329c11b690", "status": "affected", "version": "f0415af60f482a2192065be8b334b409495ca8a3", "versionType": "git"}, {"lessThan": "fe2f9135df43db849e74f03956d322ac20b59af7", "status": "affected", "version": "f0415af60f482a2192065be8b334b409495ca8a3", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/xfs/libxfs/xfs_rtrefcount_btree.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.14"}, {"lessThan": "6.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.55", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc5", "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\nxfs: fix wild memcpy access when formatting ondisk rtrefcount btree roots\n\nLOLLM noticed that the inode btree root formatting methods copy too many\nbytes -- there's only one set of keys in node blocks, not two. This\ncauses memory corruption of whatever's beyond the buffers."}], "id": "CVE-2026-98447", "lastModified": "2026-10-18T16:16:55.037", "metrics": {}, "published": "2026-10-18T16:16:55.037", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2703b954d306ebfe3b11e33e259759329c11b690"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d46492fb8018d12d00651b06b9d240e747110b38"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fe2f9135df43db849e74f03956d322ac20b59af7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"created": "2026-10-18T16:30:13.919598+00:00", "updated": "2026-10-18T16:30:13.919611+00:00", "vendors": [], "weaknesses": ["CWE-119"]}