{"cve":"CVE-2026-98088","nvd":{"published":"2026-09-25T11:17:38.480","modified":"2026-10-19T10:18:05.263","status":"Undergoing Analysis","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues()\n\ndev_to_node() can return NUMA_NO_NODE (-1) on systems without NUMA\ntopology information for the PCI device, such as single-socket boards\nthat don't expose device-to-node affinity. Passing -1 directly into\ncpumask_of_node() indexes node_to_cpumask_map[-1], an out-of-bounds\narray read caught by UBSAN:\n\n  UBSAN: array-index-out-of-bounds in arch/x86/include/asm/topology.h:72:28\n  index -1 is out of range for type 'cpumask *[1024]'\n\nFall back to cpu_online_mask when no NUMA node is available, rather than\nassuming dev_to_node() always returns a valid node index.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/06a994ad7bbd13714cd45df582389f751531e60c","https://git.kernel.org/stable/c/0a5f7cdb0cb911584720591069065f09c59ec4fc","https://git.kernel.org/stable/c/45504e621b7e884abe59f201e093a3eac7fca7fe","https://git.kernel.org/stable/c/7b23144c3ff6e46d7d4a464b02f8944265684e39","https://git.kernel.org/stable/c/7bcce856c79c1799351e170aec83e018ccf3d044"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:56:02.509636177+00:00"},"epss":{"cve":"CVE-2026-98088","score":0.00173,"percentile":0.06622,"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."]}