CVE-2023-54320 (GCVE-0-2023-54320)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:34 – Updated: 2026-01-05 11:37
VLAI?
Title
platform/x86/amd: pmc: Fix memory leak in amd_pmc_stb_debugfs_open_v2()
Summary
In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: pmc: Fix memory leak in amd_pmc_stb_debugfs_open_v2() Function amd_pmc_stb_debugfs_open_v2() may be called when the STB debug mechanism enabled. When amd_pmc_send_cmd() fails, the 'buf' needs to be released.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1ecfd30960d4377c2d85181608936dedd35bb171 , < d804adef7b23b22bb82e1b3dd113e9073cea9bc1 (git)
Affected: 1ecfd30960d4377c2d85181608936dedd35bb171 , < f6e7ac4c35a28aef0be93b32c533ae678ad0b9e7 (git)
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    Linux Linux Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 6.3.4 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/platform/x86/amd/pmc.c"
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              "versionType": "git"
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            }
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        }
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                  "versionEndExcluding": "6.3.4",
                  "versionStartIncluding": "6.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4",
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              "operator": "OR"
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86/amd: pmc: Fix memory leak in amd_pmc_stb_debugfs_open_v2()\n\nFunction amd_pmc_stb_debugfs_open_v2() may be called when the STB\ndebug mechanism enabled.\n\nWhen amd_pmc_send_cmd() fails, the \u0027buf\u0027 needs to be released."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-05T11:37:24.885Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d804adef7b23b22bb82e1b3dd113e9073cea9bc1"
        },
        {
          "url": "https://git.kernel.org/stable/c/f6e7ac4c35a28aef0be93b32c533ae678ad0b9e7"
        }
      ],
      "title": "platform/x86/amd: pmc: Fix memory leak in amd_pmc_stb_debugfs_open_v2()",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54320",
    "datePublished": "2025-12-30T12:34:14.133Z",
    "dateReserved": "2025-12-30T12:28:53.860Z",
    "dateUpdated": "2026-01-05T11:37:24.885Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-54320\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-30T13:16:21.307\",\"lastModified\":\"2025-12-31T20:42:43.210\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nplatform/x86/amd: pmc: Fix memory leak in amd_pmc_stb_debugfs_open_v2()\\n\\nFunction amd_pmc_stb_debugfs_open_v2() may be called when the STB\\ndebug mechanism enabled.\\n\\nWhen amd_pmc_send_cmd() fails, the \u0027buf\u0027 needs to be released.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/d804adef7b23b22bb82e1b3dd113e9073cea9bc1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f6e7ac4c35a28aef0be93b32c533ae678ad0b9e7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • 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.



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