Vulnerability-Lookup

GHSA-XPH2-5PQ4-M7JP

Vulnerability from github – Published: 2026-02-14 18:30 – Updated: 2026-02-14 18:30

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-71203"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-14T17:15:54Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-xph2-5pq4-m7jp",
  "modified": "2026-02-14T18:30:15Z",
  "published": "2026-02-14T18:30:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-71203"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/25fd7ee7bf58ac3ec7be3c9f82ceff153451946c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8b44e753795107a22ba31495686e83f4aca48f36"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c45848936ebdb4fcab92f8c39510db83c16d0239"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

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

Vulnerability from cvelistv5 – Published: 2026-02-14 16:27 – Updated: 2026-02-14 16:27

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

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/c45848936ebdb4fca…
	https://git.kernel.org/stable/c/8b44e753795107a22…
	https://git.kernel.org/stable/c/25fd7ee7bf58ac3ec…

Impacted products

Vendor

Product

Version

Linux

Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c45848936ebdb4fcab92f8c39510db83c16d0239 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8b44e753795107a22ba31495686e83f4aca48f36 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 25fd7ee7bf58ac3ec7be3c9f82ceff153451946c (git)

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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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/riscv/kernel/traps.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "c45848936ebdb4fcab92f8c39510db83c16d0239",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "8b44e753795107a22ba31495686e83f4aca48f36",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "25fd7ee7bf58ac3ec7be3c9f82ceff153451946c",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/riscv/kernel/traps.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.70",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.70",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-14T16:27:02.513Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/c45848936ebdb4fcab92f8c39510db83c16d0239"
        },
        {
          "url": "https://git.kernel.org/stable/c/8b44e753795107a22ba31495686e83f4aca48f36"
        },
        {
          "url": "https://git.kernel.org/stable/c/25fd7ee7bf58ac3ec7be3c9f82ceff153451946c"
        }
      ],
      "title": "riscv: Sanitize syscall table indexing under speculation",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
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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"
}

Sightings

Author	Source	Type	Date

Nomenclature

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-XPH2-5PQ4-M7JP

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

Tags

Sightings

Nomenclature