{"cve":"CVE-2026-97548","nvd":{"published":"2026-09-25T11:17:05.183","modified":"2026-10-19T10:17:23.790","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: fix the rtrmap and rtrefcount _maxlevels_ondisk functions\n\nThe _maxlevels_ondisk functions are used to compute the size of\nin-memory btree cursors for each btree type.  Unfortunately, LOLLM\nnoticed that the rtrmap and rtrefcount versions of these functions\nforget to account for the inode root, which means that we could access\nbeyond the end of the cursor given a sufficiently large btree.  Fix\nthis.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":[],"references":["https://git.kernel.org/stable/c/108114437915e61e8f88d1cbcc442c3f886a347e","https://git.kernel.org/stable/c/84316cb25af95a60e655ccc8fe646bb5ad631b71","https://git.kernel.org/stable/c/aa301322f72f82f26e4ba0826018d41388ab9896"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:56:02.509636177+00:00"},"epss":{"cve":"CVE-2026-97548","score":0.00169,"percentile":0.06289,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}