github - ghsa-cm47-3p73-qqc3

GHSA-CM47-3P73-QQC3

Vulnerability from github – Published: 2025-09-16 15:32 – Updated: 2025-12-02 21:31

Details

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

arm64: acpi: Fix possible memory leak of ffh_ctxt

Allocated 'ffh_ctxt' memory leak is possible if the SMCCC version and conduit checks fail and -EOPNOTSUPP is returned without freeing the allocated memory.

Fix the same by moving the allocation after the SMCCC version and conduit checks.

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2023-53266"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-16T08:15:35Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64: acpi: Fix possible memory leak of ffh_ctxt\n\nAllocated \u0027ffh_ctxt\u0027 memory leak is possible if the SMCCC version\nand conduit checks fail and -EOPNOTSUPP is returned without freeing the\nallocated memory.\n\nFix the same by moving the allocation after the SMCCC version and\nconduit checks.",
  "id": "GHSA-cm47-3p73-qqc3",
  "modified": "2025-12-02T21:31:26Z",
  "published": "2025-09-16T15:32:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53266"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1b561d3949f8478c5403c9752b5533211a757226"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7521da2eb42d65f89f511b7912d3757cf3d9168a"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-53266 (GCVE-0-2023-53266)

Vulnerability from cvelistv5 – Published: 2025-09-16 08:06 – Updated: 2025-09-16 08:06

Summary

In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Fix possible memory leak of ffh_ctxt Allocated 'ffh_ctxt' memory leak is possible if the SMCCC version and conduit checks fail and -EOPNOTSUPP is returned without freeing the allocated memory. Fix the same by moving the allocation after the SMCCC version and conduit checks.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/7521da2eb42d65f89…
	https://git.kernel.org/stable/c/1b561d3949f8478c5…

Impacted products

Vendor

Product

Version

Linux

Affected: 1d280ce099db396e092cac1aa9bf2ea8beee6d76 , < 7521da2eb42d65f89f511b7912d3757cf3d9168a (git)
Affected: 1d280ce099db396e092cac1aa9bf2ea8beee6d76 , < 1b561d3949f8478c5403c9752b5533211a757226 (git)

Linux

Affected: 6.2
Unaffected: 0 , < 6.2 (semver)
Unaffected: 6.2.3 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/arm64/kernel/acpi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7521da2eb42d65f89f511b7912d3757cf3d9168a",
              "status": "affected",
              "version": "1d280ce099db396e092cac1aa9bf2ea8beee6d76",
              "versionType": "git"
            },
            {
              "lessThan": "1b561d3949f8478c5403c9752b5533211a757226",
              "status": "affected",
              "version": "1d280ce099db396e092cac1aa9bf2ea8beee6d76",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/arm64/kernel/acpi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.2"
            },
            {
              "lessThan": "6.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.2.*",
              "status": "unaffected",
              "version": "6.2.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2.3",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.3",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64: acpi: Fix possible memory leak of ffh_ctxt\n\nAllocated \u0027ffh_ctxt\u0027 memory leak is possible if the SMCCC version\nand conduit checks fail and -EOPNOTSUPP is returned without freeing the\nallocated memory.\n\nFix the same by moving the allocation after the SMCCC version and\nconduit checks."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-16T08:06:56.578Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7521da2eb42d65f89f511b7912d3757cf3d9168a"
        },
        {
          "url": "https://git.kernel.org/stable/c/1b561d3949f8478c5403c9752b5533211a757226"
        }
      ],
      "title": "arm64: acpi: Fix possible memory leak of ffh_ctxt",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53266",
    "datePublished": "2025-09-16T08:06:56.578Z",
    "dateReserved": "2025-09-16T08:05:12.515Z",
    "dateUpdated": "2025-09-16T08:06:56.578Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-CM47-3P73-QQC3

CVE-2023-53266 (GCVE-0-2023-53266)

Tags

Sightings

Nomenclature