CVE-2025-71203 (GCVE-0-2025-71203)

Vulnerability from cvelistv5 – Published: 2026-02-14 16:27 – Updated: 2026-02-14 16:27
VLAI?
Title
riscv: Sanitize syscall table indexing under speculation
Summary
In the Linux kernel, the following vulnerability has been resolved: riscv: Sanitize syscall table indexing under speculation The syscall number is a user-controlled value used to index into the syscall table. Use array_index_nospec() to clamp this value after the bounds check to prevent speculative out-of-bounds access and subsequent data leakage via cache side channels.
Severity ?
No CVSS data available.
Assigner
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c45848936ebdb4fcab92f8c39510db83c16d0239 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8b44e753795107a22ba31495686e83f4aca48f36 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 25fd7ee7bf58ac3ec7be3c9f82ceff153451946c (git)
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    Linux Linux Unaffected: 6.12.70 , ≤ 6.12.* (semver)
Unaffected: 6.18.10 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
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Show details on NVD website

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          "product": "Linux",
          "programFiles": [
            "arch/riscv/kernel/traps.c"
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          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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              "operator": "OR"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: Sanitize syscall table indexing under speculation\n\nThe syscall number is a user-controlled value used to index into the\nsyscall table. Use array_index_nospec() to clamp this value after the\nbounds check to prevent speculative out-of-bounds access and subsequent\ndata leakage via cache side channels."
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      "providerMetadata": {
        "dateUpdated": "2026-02-14T16:27:02.513Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        {
          "url": "https://git.kernel.org/stable/c/8b44e753795107a22ba31495686e83f4aca48f36"
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        {
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      ],
      "title": "riscv: Sanitize syscall table indexing under speculation",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-71203",
    "datePublished": "2026-02-14T16:27:02.513Z",
    "dateReserved": "2026-01-31T11:36:51.194Z",
    "dateUpdated": "2026-02-14T16:27:02.513Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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