{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c82baa28184356a75c0157129f88af42b2e7b695"
            },
            {
              "fixed": "d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b"
            },
            {
              "fixed": "6f08c001fa6e8212930d694540ae8d9d6d3fb58a"
            },
            {
              "fixed": "ce0d8e72836c9d3710a160ad848b0f1d096075e3"
            },
            {
              "fixed": "745297208d31222f916cc04da313cb737b997935"
            },
            {
              "fixed": "f925d317d84d401d642e537ea18ee12f67cb6983"
            },
            {
              "fixed": "8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a"
            },
            {
              "fixed": "1664327ce797e09e387dc10cbbaa5b8d76558d2c"
            },
            {
              "fixed": "3a8a05477cda6c8293e2b629495b42981dcaba32"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.5.0"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93178.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup\n\nvddInd and vddcInd fields from VBIOS-parsed tables are used to index into\nvoltage lookup tables without a bounds check. Return -EINVAL when any\nindex is out of range.",
  "id": "CVE-2026-93178",
  "modified": "2026-09-19T03:30:31.134801181Z",
  "published": "2026-09-17T16:12:06.631Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1664327ce797e09e387dc10cbbaa5b8d76558d2c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3a8a05477cda6c8293e2b629495b42981dcaba32"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6f08c001fa6e8212930d694540ae8d9d6d3fb58a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/745297208d31222f916cc04da313cb737b997935"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ce0d8e72836c9d3710a160ad848b0f1d096075e3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f925d317d84d401d642e537ea18ee12f67cb6983"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93178.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93178"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup"
}