{"id":"CVE-2026-98088","published":"2026-09-25T11:17:38.480","lastModified":"2026-09-25T11:17:38.480","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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/0a5f7cdb0cb911584720591069065f09c59ec4fc","tags":[]},{"url":"https://git.kernel.org/stable/c/45504e621b7e884abe59f201e093a3eac7fca7fe","tags":[]},{"url":"https://git.kernel.org/stable/c/7b23144c3ff6e46d7d4a464b02f8944265684e39","tags":[]},{"url":"https://git.kernel.org/stable/c/e0d26fe176a8db6ccad4ab38c5bab29391c1946b","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}