{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "728bbc6cbff70051813730fb7977f5d99d867e12"
            },
            {
              "fixed": "0a5f7cdb0cb911584720591069065f09c59ec4fc"
            },
            {
              "fixed": "7b23144c3ff6e46d7d4a464b02f8944265684e39"
            },
            {
              "fixed": "45504e621b7e884abe59f201e093a3eac7fca7fe"
            },
            {
              "fixed": "e0d26fe176a8db6ccad4ab38c5bab29391c1946b"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "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"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98088.json"
  },
  "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.",
  "id": "CVE-2026-98088",
  "modified": "2026-09-27T03:30:30.578701033Z",
  "published": "2026-09-25T10:24:22.278Z",
  "references": [
    {
      "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"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "scsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues()"
}