{"id":"CVE-2026-98088","summary":"scsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues()","details":"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.","modified":"2026-09-26T03:48:32.434965976Z","published":"2026-09-25T10:24:22.278Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98088.json"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0a5f7cdb0cb911584720591069065f09c59ec4fc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/45504e621b7e884abe59f201e093a3eac7fca7fe"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7b23144c3ff6e46d7d4a464b02f8944265684e39"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e0d26fe176a8db6ccad4ab38c5bab29391c1946b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98088.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98088"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"728bbc6cbff70051813730fb7977f5d99d867e12"},{"fixed":"0a5f7cdb0cb911584720591069065f09c59ec4fc"},{"fixed":"7b23144c3ff6e46d7d4a464b02f8944265684e39"},{"fixed":"45504e621b7e884abe59f201e093a3eac7fca7fe"},{"fixed":"e0d26fe176a8db6ccad4ab38c5bab29391c1946b"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98088.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.3.0"},{"fixed":"6.12.111"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.53"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98088.json"}}],"schema_version":"1.9.0"}