CVE-2023-53135 riscv: Use READ_ONCE_NOCHECK in imprecise unwinding stack mode

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/riscv/kernel/stacktrace.c"
    ],
    "versions": [
      {
        "version": "5d8544e2d0075a5f3c9a2cf27152354d54360da1",
        "lessThan": "a99a61d9e1bfca2fc37d223a6a185c0eb66aba02",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5d8544e2d0075a5f3c9a2cf27152354d54360da1",
        "lessThan": "3de277af481ab931fab9e295ad8762692920732a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5d8544e2d0075a5f3c9a2cf27152354d54360da1",
        "lessThan": "3a9418d2c93c1c86ce4d0595112d91c7a8e70c2c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5d8544e2d0075a5f3c9a2cf27152354d54360da1",
        "lessThan": "324912d6c0c4006711054d389faa2239c1655e1e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5d8544e2d0075a5f3c9a2cf27152354d54360da1",
        "lessThan": "17fa90ffba20743c946920fbb0afe160d0ead8c9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5d8544e2d0075a5f3c9a2cf27152354d54360da1",
        "lessThan": "76950340cf03b149412fe0d5f0810e52ac1df8cb",
        "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/riscv/kernel/stacktrace.c"
    ],
    "versions": [
      {
        "version": "4.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.237",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.175",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.103",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.20",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2.7",
        "lessThanOrEqual": "6.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]