CVE-2026-63937 KVM: SEV: Use READ_ONCE() when reading entries/indices from PSC buffer

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kvm/svm/sev.c"
    ],
    "versions": [
      {
        "version": "9b54e248d2644be71cb394eb85f31ad99e023a05",
        "lessThan": "bd232801ef1d1fd985d2d4ca3cd1d888303ca86f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b54e248d2644be71cb394eb85f31ad99e023a05",
        "lessThan": "b1dfaa6f7a957726a6800135be3659fbe4bbf2a4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b54e248d2644be71cb394eb85f31ad99e023a05",
        "lessThan": "edbbe88f83b524434974e84808d3093199d67c24",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b54e248d2644be71cb394eb85f31ad99e023a05",
        "lessThan": "c8cc238093ca6c99267032f6cfe78f59389f3157",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kvm/svm/sev.c"
    ],
    "versions": [
      {
        "version": "6.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]