{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "42de677f79999791bee4e21be318c32d90ab62c6"
            },
            {
              "fixed": "daa8bc5f83814b55b71d2b5b3a090d57a5219c21"
            },
            {
              "fixed": "fb07a0c9c8419164812e07274947f11b1d92dd61"
            },
            {
              "fixed": "91c6dc5a41695d02dfc6299f106ac38a6c493e52"
            },
            {
              "fixed": "ccd060b5c7cc75ae7e211c250b97c5b6272e7efc"
            },
            {
              "fixed": "db9530a9873a7c85d2266a922589ebcf427fa631"
            },
            {
              "fixed": "6abd3a4417cb73a7d0db7e25bf11fae1074bdba3"
            },
            {
              "fixed": "045e0ff208f0838a246c10204105126611b267a1"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.14.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.140"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.90"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.32"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46197.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: validate SVM ioctl nattr against buffer size\n\nValidate nattr field against the buffer size, preventing\nout-of-bounds buffer access via user-controlled attribute count.\n\n(cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)",
  "id": "CVE-2026-46197",
  "modified": "2026-07-08T05:36:38.241060372Z",
  "published": "2026-05-28T09:40:13.722Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/daa8bc5f83814b55b71d2b5b3a090d57a5219c21"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/db9530a9873a7c85d2266a922589ebcf427fa631"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb07a0c9c8419164812e07274947f11b1d92dd61"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46197.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46197"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "drm/amdkfd: validate SVM ioctl nattr against buffer size"
}