{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa"
            },
            {
              "fixed": "e9887eeaa138c6b5697af3d2f7c71dc82407b154"
            },
            {
              "fixed": "1aadbef648e92ca642125f188f99b0a26628e3ba"
            },
            {
              "fixed": "7daaa684097377b66b98a832de307688a7f3bbc7"
            },
            {
              "fixed": "f17865332cc4ceaac846bcd7c28badbaedfabeff"
            },
            {
              "fixed": "0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901"
            },
            {
              "fixed": "69ec03cd481973e4be44a7158ed6c0fa06a9a5f9"
            },
            {
              "fixed": "cc563a59aded6f3b02d75dcc3c0bc5e90755d99e"
            },
            {
              "fixed": "32471d84a487c7fd74532bc96be56f8028cf4a3f"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.4.0"
            },
            {
              "fixed": "5.10.271"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.222"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.189"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.158"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.112"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.54"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98363.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS\n\nscpi_dvfs_get_info() already rejected a zero opp_count, but still trusted\nany larger value from the SCP firmware. The shared-memory reply only holds\nMAX_DVFS_OPPS entries in buf.opps[]; a bigger count over-reads that array\nand then sizes the allocated OPP table incorrectly (garbage OPPs / OOB).\nThe missing upper bound dates back to the original SCPI DVFS support.\n\nReject zero and out-of-range counts in one check and return -EINVAL.",
  "id": "CVE-2026-98363",
  "modified": "2026-10-08T02:30:47.329274673Z",
  "published": "2026-10-06T08:46:49.235Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1aadbef648e92ca642125f188f99b0a26628e3ba"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/32471d84a487c7fd74532bc96be56f8028cf4a3f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/69ec03cd481973e4be44a7158ed6c0fa06a9a5f9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7daaa684097377b66b98a832de307688a7f3bbc7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cc563a59aded6f3b02d75dcc3c0bc5e90755d99e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e9887eeaa138c6b5697af3d2f7c71dc82407b154"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f17865332cc4ceaac846bcd7c28badbaedfabeff"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98363.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98363"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "firmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS"
}