CVE-2020-25743

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-10-06T14:15:23.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html"}, {"tags": ["x_refsource_MISC"], "url": "https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.openwall.com/lists/oss-security/2020/09/29/1"}, {"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1881409"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-25743", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html", "refsource": "MISC", "url": "https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html"}, {"name": "https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b", "refsource": "MISC", "url": "https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b"}, {"name": "http://www.openwall.com/lists/oss-security/2020/09/29/1", "refsource": "CONFIRM", "url": "http://www.openwall.com/lists/oss-security/2020/09/29/1"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1881409", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1881409"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T15:40:36.958Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2020/09/29/1"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1881409"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-25743", "datePublished": "2020-10-06T14:15:23.000Z", "dateReserved": "2020-09-18T00:00:00.000Z", "dateUpdated": "2024-08-04T15:40:36.958Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "519474C9-183A-4DFE-8937-62DE15CDA6E3", "versionEndExcluding": "5.1.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:*", "matchCriteriaId": "C52600BF-9E87-4CD2-91F3-685AFE478C1E", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*", "matchCriteriaId": "053C1B35-3869-41C2-9551-044182DE0A64", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*", "matchCriteriaId": "3AA08768-75AF-4791-B229-AE938C780959", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call."}, {"lang": "es", "value": "El archivo hw/ide/pci.c en QEMU versiones anteriores a 5.1.1, puede desencadenar una desreferencia del puntero NULL porque carece de una comprobaci\u00f3n de puntero antes de una llamada de ide_cancel_dma_sync"}], "id": "CVE-2020-25743", "lastModified": "2026-06-17T03:07:13.600", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.2, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-10-06T15:15:15.067", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/09/29/1"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1881409"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html"}, {"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/09/29/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1881409"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Cornelius Aschermann (Ruhr-University Bochum), Sergej Schumilo (Ruhr-University Bochum), and Simon Wrner (Ruhr-University Bochum) for reporting this issue.", "bugzilla": {"description": "QEMU: ide: null pointer dereference while cancelling i/o operation", "id": "1881409", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1881409"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-476", "details": ["hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.", "A NULL pointer dereference flaw was found in the IDE disk emulator of QEMU. This issue occurs while canceling an I/O operation via the ide_cancel_dma_sync() routine if a block drive pointer is null. This flaw allows a guest user to crash the QEMU process on the host, resulting in a denial of service."], "name": "CVE-2020-25743", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "qemu-kvm-ma", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Fix deferred", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Will not fix", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Will not fix", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2020-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-25743\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-25743\nhttps://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b\nhttps://www.openwall.com/lists/oss-security/2020/09/29/1"], "statement": "In Red Hat OpenStack Platform, because the flaw has a lower impact and the fix would require a substantial amount of development, no update will be provided at this time for the RHOSP qemu-kvm-rhev package.", "threat_severity": "Low"}

{}