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

Vulnerability from cvelistv5 – Published: 2025-12-30 12:34 – Updated: 2026-05-11 19:59
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 CPE status
Linux Linux Affected: 1ecfd30960d4377c2d85181608936dedd35bb171 , < d804adef7b23b22bb82e1b3dd113e9073cea9bc1 (git)
Affected: 1ecfd30960d4377c2d85181608936dedd35bb171 , < f6e7ac4c35a28aef0be93b32c533ae678ad0b9e7 (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 6.3.4 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/platform/x86/amd/pmc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d804adef7b23b22bb82e1b3dd113e9073cea9bc1",
              "status": "affected",
              "version": "1ecfd30960d4377c2d85181608936dedd35bb171",
              "versionType": "git"
            },
            {
              "lessThan": "f6e7ac4c35a28aef0be93b32c533ae678ad0b9e7",
              "status": "affected",
              "version": "1ecfd30960d4377c2d85181608936dedd35bb171",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/platform/x86/amd/pmc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.3"
            },
            {
              "lessThan": "6.3",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.3.4",
                  "versionStartIncluding": "6.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4",
                  "versionStartIncluding": "6.3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:59:41.337Z",
        "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()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "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": "2026-05-11T19:59:41.337Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-54320",
      "date": "2026-09-26",
      "epss": "0.00172",
      "percentile": "0.05947"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "drivers/platform/x86/amd/pmc.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "d804adef7b23b22bb82e1b3dd113e9073cea9bc1",
                    "status": "affected",
                    "version": "1ecfd30960d4377c2d85181608936dedd35bb171",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "f6e7ac4c35a28aef0be93b32c533ae678ad0b9e7",
                    "status": "affected",
                    "version": "1ecfd30960d4377c2d85181608936dedd35bb171",
                    "versionType": "git"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "drivers/platform/x86/amd/pmc.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "6.3"
                  },
                  {
                    "lessThan": "6.3",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.3.*",
                    "status": "unaffected",
                    "version": "6.3.4",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "6.4",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "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."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nplatform/x86/amd: pmc: Correcci\u00f3n de fuga de memoria en amd_pmc_stb_debugfs_open_v2()\n\nLa funci\u00f3n amd_pmc_stb_debugfs_open_v2() puede ser llamada cuando el mecanismo de depuraci\u00f3n STB est\u00e1 habilitado.\n\nCuando amd_pmc_send_cmd() falla, el buf necesita ser liberado."
          }
        ],
        "id": "CVE-2023-54320",
        "lastModified": "2026-06-17T06:47:13.280",
        "metrics": {},
        "published": "2025-12-30T13:16:21.307",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/d804adef7b23b22bb82e1b3dd113e9073cea9bc1"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/f6e7ac4c35a28aef0be93b32c533ae678ad0b9e7"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Deferred"
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-07-21T19:14:31+00:00",
      "cve": "CVE-2023-54320",
      "id": "CVE-2023-54320",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "120",
      "product_status:known_affected": "124",
      "product_status:known_not_affected": "118",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: platform/x86/amd: pmc: Fix memory leak in amd_pmc_stb_debugfs_open_v2()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54320.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.