CVE-2023-53266

{"id": "CVE-2023-53266", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-09-16T08:15:35.353", "references": [{"url": "https://git.kernel.org/stable/c/1b561d3949f8478c5403c9752b5533211a757226", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7521da2eb42d65f89f511b7912d3757cf3d9168a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-401"}]}], "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 'ffh_ctxt' 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."}], "lastModified": "2025-12-02T20:41:59.840", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "88C67289-22AD-4CA9-B202-5F5A80E5BA4B", "versionEndExcluding": "6.2.3", "versionStartIncluding": "6.2"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}