{"id":"CVE-2026-98447","revision":"ffb5b0ac439743aa8ea5337b5cf12a28","records":[{"revision":"ffb5b0ac439743aa8ea5337b5cf12a28","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98447","aliases":[],"title":"xfs: fix wild memcpy access when formatting ondisk rtrefcount btree roots","description":"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.","state":0,"publishedAt":"2026-10-18T15:14:57.561+00:00","modifiedAt":"2026-10-19T09:19:42.728+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/xfs/libxfs/xfs_rtrefcount_btree.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"f0415af60f482a2192065be8b334b409495ca8a3\",\n                            \"lessThan\": \"d46492fb8018d12d00651b06b9d240e747110b38\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f0415af60f482a2192065be8b334b409495ca8a3\",\n                            \"lessThan\": \"2703b954d306ebfe3b11e33e259759329c11b690\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f0415af60f482a2192065be8b334b409495ca8a3\",\n                            \"lessThan\": \"fe2f9135df43db849e74f03956d322ac20b59af7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/xfs/libxfs/xfs_rtrefcount_btree.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.55\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.9\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/d46492fb8018d12d00651b06b9d240e747110b38","https://git.kernel.org/stable/c/2703b954d306ebfe3b11e33e259759329c11b690","https://git.kernel.org/stable/c/fe2f9135df43db849e74f03956d322ac20b59af7"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98447","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98447","identifiers":["CVE-2026-98447"]},"retained":false,"historicalAffected":[]}],"coverage":[]}