{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9"
            },
            {
              "fixed": "1e23b30a80b14e5764657401ee2cca030525ae8e"
            },
            {
              "fixed": "f5bc3aef7df46eaaf423d7413ab8833f704ae576"
            },
            {
              "fixed": "251497955f2314cd39d43191e81c6151dead4c7b"
            },
            {
              "fixed": "ff6fc65b3bf73acc5ee71919154d830ad5431362"
            },
            {
              "fixed": "9109489cc8c34e50d15575a3d1ff82af586bc1aa"
            },
            {
              "fixed": "28f5ed477eef166d678d6966762cbc1de9b4f436"
            },
            {
              "fixed": "1cd85a19748b2407830376a5cbae5c0f126016e5"
            },
            {
              "fixed": "c21b90f77687075115d989e53a8ec5e2bb427ab1"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "5abd1583e06b3963e5c9d915760367de86808b78"
            },
            {
              "last_affected": "4ba461d426490b6ed7e8298c4d3b7a13aa5d2686"
            },
            {
              "last_affected": "5a63725cd18fcee2af6ec46ccb856b64ad3077b4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "3.16.58"
            },
            {
              "fixed": "3.17"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "4.4.144"
            },
            {
              "fixed": "4.5"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "4.9.102"
            },
            {
              "fixed": "4.10"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.14.0"
            },
            {
              "fixed": "5.10.256"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.207"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.173"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.139"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.88"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.30"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46174.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache\n\nMake sure resources are not improperly shared in the op cache and\ncause instruction corruption this way.",
  "id": "CVE-2026-46174",
  "modified": "2026-07-16T03:31:18.034320330Z",
  "published": "2026-05-28T09:36:28.703Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46174.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46174"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache"
}