{"api_version":"1","generated_at":"2026-04-23T03:38:33+00:00","cve":"CVE-2022-2962","urls":{"html":"https://cve.report/CVE-2022-2962","api":"https://cve.report/api/cve/CVE-2022-2962.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-2962","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-2962"},"summary":{"title":"CVE-2022-2962","description":"A DMA reentrancy issue was found in the Tulip device emulation in QEMU. When Tulip reads or writes to the rx/tx descriptor or copies the rx/tx frame, it doesn't check whether the destination address is its own MMIO address. This can cause the device to trigger MMIO handlers multiple times, possibly leading to a stack or heap overflow. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2022-09-13 20:15:00","updated_at":"2023-06-28 20:40:00"},"problem_types":["CWE-662"],"metrics":[],"references":[{"url":"https://gitlab.com/qemu-project/qemu/-/issues/1171","name":"https://gitlab.com/qemu-project/qemu/-/issues/1171","refsource":"MISC","tags":[],"title":"tulip: DMA reentrancy issue leads to stack overflow (CVE-2022-2962) (#1171) · Issues · QEMU / QEMU · GitLab","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://gitlab.com/qemu-project/qemu/-/commit/36a894aeb64a2e02871016da1c37d4a4ca109182","name":"https://gitlab.com/qemu-project/qemu/-/commit/36a894aeb64a2e02871016da1c37d4a4ca109182","refsource":"MISC","tags":[],"title":"net: tulip: Restrict DMA engine to memories (36a894ae) · Commits · QEMU / QEMU · GitLab","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-2962","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-2962","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"2962","vulnerable":"1","versionEndIncluding":"7.1.0","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"qemu","cpe5":"qemu","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2022-2962","qid":"184284","title":"Debian Security Update for qemu (CVE-2022-2962)"},{"cve":"CVE-2022-2962","qid":"199069","title":"Ubuntu Security Notification for QEMU Vulnerabilities (USN-5772-1)"},{"cve":"CVE-2022-2962","qid":"502928","title":"Alpine Linux Security Update for qemu"},{"cve":"CVE-2022-2962","qid":"505807","title":"Alpine Linux Security Update for qemu"},{"cve":"CVE-2022-2962","qid":"904023","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for qemu-kvm (10973)"},{"cve":"CVE-2022-2962","qid":"904027","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for qemu (10975)"},{"cve":"CVE-2022-2962","qid":"905205","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for qemu-kvm (10973-1)"},{"cve":"CVE-2022-2962","qid":"905835","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for qemu-kvm (10973-2)"},{"cve":"CVE-2022-2962","qid":"906464","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for qemu (10975-2)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2022-2962","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"QEMU","version":{"version_data":[{"version_value":"Will be fixed in QEMU 7.2.0-rc0"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-400"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://gitlab.com/qemu-project/qemu/-/issues/1171","url":"https://gitlab.com/qemu-project/qemu/-/issues/1171"},{"refsource":"MISC","name":"https://gitlab.com/qemu-project/qemu/-/commit/36a894aeb64a2e02871016da1c37d4a4ca109182","url":"https://gitlab.com/qemu-project/qemu/-/commit/36a894aeb64a2e02871016da1c37d4a4ca109182"}]},"description":{"description_data":[{"lang":"eng","value":"A DMA reentrancy issue was found in the Tulip device emulation in QEMU. When Tulip reads or writes to the rx/tx descriptor or copies the rx/tx frame, it doesn't check whether the destination address is its own MMIO address. This can cause the device to trigger MMIO handlers multiple times, possibly leading to a stack or heap overflow. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition."}]}},"nvd":{"publishedDate":"2022-09-13 20:15:00","lastModifiedDate":"2023-06-28 20:40:00","problem_types":["CWE-662"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2.0","versionEndIncluding":"7.1.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}