{ "id": "CVE-2023-4135", "sourceIdentifier": "secalert@redhat.com", "published": "2023-08-04T14:15:12.173", "lastModified": "2023-08-04T15:27:24.817", "vulnStatus": "Awaiting Analysis", "descriptions": [ { "lang": "en", "value": "A heap out-of-bounds memory read flaw was found in the virtual nvme device in QEMU. The QEMU process does not validate an offset provided by the guest before computing a host heap pointer, which is used for copying data back to the guest. Arbitrary heap memory relative to an allocated buffer can be disclosed." } ], "metrics": { "cvssMetricV31": [ { "source": "secalert@redhat.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 6.0, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.5, "impactScore": 4.0 } ] }, "references": [ { "url": "https://access.redhat.com/security/cve/CVE-2023-4135", "source": "secalert@redhat.com" }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2229101", "source": "secalert@redhat.com" }, { "url": "https://www.zerodayinitiative.com/advisories/ZDI-CAN-21521", "source": "secalert@redhat.com" } ] }