Vulnerability-Lookup

GHSA-4V3J-3FR4-CJRJ

Vulnerability from github – Published: 2026-02-04 18:30 – Updated: 2026-02-04 18:30

Details

In the Linux kernel, the following vulnerability has been resolved:

platform/x86/amd: Fix memory leak in wbrf_record()

The tmp buffer is allocated using kcalloc() but is not freed if acpi_evaluate_dsm() fails. This causes a memory leak in the error path.

Fix this by explicitly freeing the tmp buffer in the error handling path of acpi_evaluate_dsm().

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{
  "affected": [],
  "aliases": [
    "CVE-2026-23065"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-04T17:16:17Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86/amd: Fix memory leak in wbrf_record()\n\nThe tmp buffer is allocated using kcalloc() but is not freed if\nacpi_evaluate_dsm() fails. This causes a memory leak in the error path.\n\nFix this by explicitly freeing the tmp buffer in the error handling\npath of acpi_evaluate_dsm().",
  "id": "GHSA-4v3j-3fr4-cjrj",
  "modified": "2026-02-04T18:30:43Z",
  "published": "2026-02-04T18:30:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23065"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1152dffe01af86e42ce2b208b92ef7f8c275d130"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1a0072bd1f1e559eda3e91a24dbc51c9eb025c54"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2bf1877b7094c684e1d652cac6912cfbc507ad3e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-23065 (GCVE-0-2026-23065)

Vulnerability from cvelistv5 – Published: 2026-02-04 16:07 – Updated: 2026-02-09 08:38

Title

platform/x86/amd: Fix memory leak in wbrf_record()

Summary

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: Fix memory leak in wbrf_record() The tmp buffer is allocated using kcalloc() but is not freed if acpi_evaluate_dsm() fails. This causes a memory leak in the error path. Fix this by explicitly freeing the tmp buffer in the error handling path of acpi_evaluate_dsm().

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/1152dffe01af86e42…
	https://git.kernel.org/stable/c/1a0072bd1f1e559ed…
	https://git.kernel.org/stable/c/2bf1877b7094c684e…

Impacted products

Vendor

Product

Version

Linux

Affected: 58e82a62669da52e688f4a8b89922c1839bf1001 , < 1152dffe01af86e42ce2b208b92ef7f8c275d130 (git)
Affected: 58e82a62669da52e688f4a8b89922c1839bf1001 , < 1a0072bd1f1e559eda3e91a24dbc51c9eb025c54 (git)
Affected: 58e82a62669da52e688f4a8b89922c1839bf1001 , < 2bf1877b7094c684e1d652cac6912cfbc507ad3e (git)

Linux

Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.12.68 , ≤ 6.12.* (semver)
Unaffected: 6.18.8 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/platform/x86/amd/wbrf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "1152dffe01af86e42ce2b208b92ef7f8c275d130",
              "status": "affected",
              "version": "58e82a62669da52e688f4a8b89922c1839bf1001",
              "versionType": "git"
            },
            {
              "lessThan": "1a0072bd1f1e559eda3e91a24dbc51c9eb025c54",
              "status": "affected",
              "version": "58e82a62669da52e688f4a8b89922c1839bf1001",
              "versionType": "git"
            },
            {
              "lessThan": "2bf1877b7094c684e1d652cac6912cfbc507ad3e",
              "status": "affected",
              "version": "58e82a62669da52e688f4a8b89922c1839bf1001",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/platform/x86/amd/wbrf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.8"
            },
            {
              "lessThan": "6.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.68",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.8",
              "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": "6.12.68",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.8",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86/amd: Fix memory leak in wbrf_record()\n\nThe tmp buffer is allocated using kcalloc() but is not freed if\nacpi_evaluate_dsm() fails. This causes a memory leak in the error path.\n\nFix this by explicitly freeing the tmp buffer in the error handling\npath of acpi_evaluate_dsm()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-09T08:38:04.329Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/1152dffe01af86e42ce2b208b92ef7f8c275d130"
        },
        {
          "url": "https://git.kernel.org/stable/c/1a0072bd1f1e559eda3e91a24dbc51c9eb025c54"
        },
        {
          "url": "https://git.kernel.org/stable/c/2bf1877b7094c684e1d652cac6912cfbc507ad3e"
        }
      ],
      "title": "platform/x86/amd: Fix memory leak in wbrf_record()",
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        "engine": "bippy-1.2.0"
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    }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23065",
    "datePublished": "2026-02-04T16:07:47.077Z",
    "dateReserved": "2026-01-13T15:37:45.953Z",
    "dateUpdated": "2026-02-09T08:38:04.329Z",
    "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-4V3J-3FR4-CJRJ

CVE-2026-23065 (GCVE-0-2026-23065)

Tags

Sightings

Nomenclature