CVE-2025-22047 (GCVE-0-2025-22047)

Vulnerability from cvelistv5 – Published: 2025-04-16 14:12 – Updated: 2025-05-26 05:17
VLAI?
Title
x86/microcode/AMD: Fix __apply_microcode_amd()'s return value
Summary
In the Linux kernel, the following vulnerability has been resolved: x86/microcode/AMD: Fix __apply_microcode_amd()'s return value When verify_sha256_digest() fails, __apply_microcode_amd() should propagate the failure by returning false (and not -1 which is promoted to true).
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: bef830144febedb7de86863ae99d8f53bed76e95 , < 763f4d638f71cb45235395790a46e9f9e84227fd (git)
Affected: 3e8653e399e7111a3e87d534ff4533b250ae574f , < ada88219d5315fc13f2910fe278c7112d8d68889 (git)
Affected: c162ba4f45ab6ef3b7114af6fb419f1833f050c0 , < d295c58fad1d5ab987a81f139dd21498732c4f13 (git)
Affected: 50cef76d5cb0e199cda19f026842560f6eedc4f7 , < 7f705a45f130a85fbf31c2abdc999c65644c8307 (git)
Affected: 50cef76d5cb0e199cda19f026842560f6eedc4f7 , < 31ab12df723543047c3fc19cb8f8c4498ec6267f (git)
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    Linux Linux Affected: 6.14
Unaffected: 0 , < 6.14 (semver)
Unaffected: 6.6.87 , ≤ 6.6.* (semver)
Unaffected: 6.12.23 , ≤ 6.12.* (semver)
Unaffected: 6.13.11 , ≤ 6.13.* (semver)
Unaffected: 6.14.2 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/x86/kernel/cpu/microcode/amd.c"
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              "versionType": "git"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "6.14"
            },
            {
              "lessThan": "6.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.6.87",
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            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.23",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "6.13.*",
              "status": "unaffected",
              "version": "6.13.11",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.6.81",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.23",
                  "versionStartIncluding": "6.12.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                {
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                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/microcode/AMD: Fix __apply_microcode_amd()\u0027s return value\n\nWhen verify_sha256_digest() fails, __apply_microcode_amd() should propagate\nthe failure by returning false (and not -1 which is promoted to true)."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:17:19.094Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/763f4d638f71cb45235395790a46e9f9e84227fd"
        },
        {
          "url": "https://git.kernel.org/stable/c/ada88219d5315fc13f2910fe278c7112d8d68889"
        },
        {
          "url": "https://git.kernel.org/stable/c/d295c58fad1d5ab987a81f139dd21498732c4f13"
        },
        {
          "url": "https://git.kernel.org/stable/c/7f705a45f130a85fbf31c2abdc999c65644c8307"
        },
        {
          "url": "https://git.kernel.org/stable/c/31ab12df723543047c3fc19cb8f8c4498ec6267f"
        }
      ],
      "title": "x86/microcode/AMD: Fix __apply_microcode_amd()\u0027s return value",
      "x_generator": {
        "engine": "bippy-1.2.0"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-22047",
    "datePublished": "2025-04-16T14:12:07.061Z",
    "dateReserved": "2024-12-29T08:45:45.810Z",
    "dateUpdated": "2025-05-26T05:17:19.094Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.