{"id":"CVE-2026-98088","title":"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 in…","summary":"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 in…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 728bbc6cbff70051813730fb7977f5d99d867e12 < 0a5f7cdb0cb911584720591069065f09c59ec4fc","Linux >= 728bbc6cbff70051813730fb7977f5d99d867e12 < 7b23144c3ff6e46d7d4a464b02f8944265684e39","Linux >= 728bbc6cbff70051813730fb7977f5d99d867e12 < 45504e621b7e884abe59f201e093a3eac7fca7fe","Linux >= 728bbc6cbff70051813730fb7977f5d99d867e12 < e0d26fe176a8db6ccad4ab38c5bab29391c1946b","Linux 5.3"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:38.480","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98088","references":[{"url":"https://git.kernel.org/stable/c/0a5f7cdb0cb911584720591069065f09c59ec4fc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/45504e621b7e884abe59f201e093a3eac7fca7fe","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7b23144c3ff6e46d7d4a464b02f8944265684e39","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e0d26fe176a8db6ccad4ab38c5bab29391c1946b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T11:06:38.833Z","slug":"CVE-2026-98088","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}