{"cve":"CVE-2026-90161","nvd":{"published":"2026-09-17T17:17:09.387","modified":"2026-10-21T13:20:41.357","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix interlaced ztailpacking pclusters\n\nOn-disk sizes of interlaced pclusters should be block-aligned, and\nztailpacking interlaced pclusters should be invalid at all.\n\nCurrently, mkfs.erofs won't generate any interlaced pcluster with\nztailpacking enabled, so this doesn't affect any existing valid\nfilesystems.\n\nHowever, crafted images can contain invalid interlaced ztailpacking\npclusters, resulting in an out-of-bounds read from a kmap'd page and\ncopying irrelevant kernel memory into userspace-visible page cache.","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:N/A:H","score":7.1},"cwes":[],"references":["https://git.kernel.org/stable/c/451027c642e752420e1a04237db9ce7b35cee595","https://git.kernel.org/stable/c/795dca34a41545d377d19bc492b10bc789772410","https://git.kernel.org/stable/c/862427ebb81d1f6abbf74d799790e1694b37b187","https://git.kernel.org/stable/c/cd59f91cbc1e715cb5dc65773ee22123d70cb8f2","https://git.kernel.org/stable/c/ddb7ea4fd99bf6c4314d1dfca18aec6945ce8054"],"products":[],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-90161","score":0.00176,"percentile":0.07123,"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."]}