{"containers": {"cna": {"affected": [{"product": "kernel", "vendor": "n/a", "versions": [{"status": "affected", "version": "Linux kernel versions before 5.9-rc6"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "description": "CWE-787", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-10-31T17:06:25.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1876788"}, {"name": "openSUSE-SU-2020:1586", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html"}, {"name": "openSUSE-SU-2020:1655", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html"}, {"name": "[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"}, {"name": "[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2020-14390", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "kernel", "version": {"version_data": [{"version_value": "Linux kernel versions before 5.9-rc6"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-787"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1876788", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1876788"}, {"name": "openSUSE-SU-2020:1586", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html"}, {"name": "openSUSE-SU-2020:1655", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html"}, {"name": "[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"}, {"name": "[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T12:46:34.191Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1876788"}, {"name": "openSUSE-SU-2020:1586", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html"}, {"name": "openSUSE-SU-2020:1655", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html"}, {"name": "[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"}, {"name": "[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2020-14390", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-08T20:56:34.546188Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-08T21:03:17.484Z"}}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2020-14390", "datePublished": "2020-09-18T17:42:55.000Z", "dateReserved": "2020-06-17T00:00:00.000Z", "dateUpdated": "2026-10-08T21:03:17.484Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"containers": {"cna": {"affected": [{"product": "kernel", "vendor": "n/a", "versions": [{"status": "affected", "version": "Linux kernel versions before 5.9-rc6"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "description": "CWE-787", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-10-31T17:06:25.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1876788"}, {"name": "openSUSE-SU-2020:1586", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html"}, {"name": "openSUSE-SU-2020:1655", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html"}, {"name": "[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"}, {"name": "[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2020-14390", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "kernel", "version": {"version_data": [{"version_value": "Linux kernel versions before 5.9-rc6"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-787"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1876788", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1876788"}, {"name": "openSUSE-SU-2020:1586", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html"}, {"name": "openSUSE-SU-2020:1655", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html"}, {"name": "[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"}, {"name": "[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T12:46:34.191Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1876788"}, {"name": "openSUSE-SU-2020:1586", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html"}, {"name": "openSUSE-SU-2020:1655", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html"}, {"name": "[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"}, {"name": "[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2020-14390", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-08T20:56:34.546188Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-08T20:56:35.042Z"}, "title": "CISA ADP Vulnrichment"}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2020-14390", "datePublished": "2020-09-18T17:42:55.000Z", "dateReserved": "2020-06-17T00:00:00.000Z", "dateUpdated": "2026-10-08T21:03:17.484Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "kernel", "vendor": "n/a", "versions": [{"status": "affected", "version": "Linux kernel versions before 5.9-rc6"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CCB598D3-E047-4005-9ED1-ED75FEA0200E", "versionEndExcluding": "5.9.0", "versionStartIncluding": "2.2.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.9.0:-:*:*:*:*:*:*", "matchCriteriaId": "B2C150C3-165E-42D6-80D4-87B11340B08C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.9.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "21F51360-AF61-433B-9FD9-D7DE742FABF9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.9.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "AFF43A64-F1B2-49B5-9B1A-3C5287E30CC7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.9.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "7CD5DFA0-15FB-44C2-8C2F-DCABACB998B7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.9.0:rc4:*:*:*:*:*:*", "matchCriteriaId": "DEA3DDD5-5114-44C0-8805-0A0579BB0034", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.9.0:rc5:*:*:*:*:*:*", "matchCriteriaId": "573B49F4-C6E1-4032-B46F-70506FE98562", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en el kernel de Linux en las versiones anteriores a 5.9-rc6. Cuando se cambia el tama\u00f1o de la pantalla, puede ocurrir una escritura de memoria fuera de l\u00edmites conllevando a una corrupci\u00f3n de la memoria o una denegaci\u00f3n de servicio.La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema. Debido a la naturaleza del fallo, la escalada de privilegios no puede ser totalmente descartada"}], "id": "CVE-2020-14390", "lastModified": "2026-10-08T21:17:23.590", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 4.7, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2020-14390", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-08T20:56:34.546188Z", "version": "2.0.3"}}]}, "published": "2020-09-18T18:15:16.503", "references": [{"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1876788"}, {"source": "secalert@redhat.com", "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"}, {"source": "secalert@redhat.com", "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1876788"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Yuan Ming (Tsinghua University) for reporting this issue.", "bugzilla": {"description": "kernel: out-of-bounds write in fbcon_redraw_softback", "id": "1876788", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1876788"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.", "A flaw was found in the Linux kernel. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2020-14390", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2020-09-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-14390\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-14390\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=50145474f6ef4a9c19205b173da6264a644c7489"], "statement": "Due to this flaw requiring a local user to trigger by using frame buffer fbcon, the impact has been rated as Low.", "threat_severity": "Low"}