{"api_version":"1","generated_at":"2026-04-23T02:35:33+00:00","cve":"CVE-2018-16880","urls":{"html":"https://cve.report/CVE-2018-16880","api":"https://cve.report/api/cve/CVE-2018-16880.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-16880","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-16880"},"summary":{"title":"CVE-2018-16880","description":"A flaw was found in the Linux kernel's handle_rx() function in the [vhost_net] driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out. Versions from v4.16 and newer are vulnerable.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2019-01-29 16:29:00","updated_at":"2023-07-19 00:54:00"},"problem_types":["CWE-787"],"metrics":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html","name":"openSUSE-SU-2019:1404","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:1404-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16880","name":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16880","refsource":"CONFIRM","tags":["Issue Tracking","Patch","Third Party Advisory"],"title":"1656472 – (CVE-2018-16880) CVE-2018-16880 kernel: Out of bounds write in get_rx_bufs() function in drivers/vhost/net.c","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3903-2/","name":"USN-3903-2","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3903-2: Linux kernel (HWE) vulnerabilities | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/106735","name":"106735","refsource":"BID","tags":["Third Party Advisory","VDB Entry"],"title":"Linux Kernel 'drivers/vhost/net.c'  Memory Corruption Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://usn.ubuntu.com/3903-1/","name":"USN-3903-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3903-1: Linux kernel vulnerabilities | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://support.f5.com/csp/article/K03593314","name":"https://support.f5.com/csp/article/K03593314","refsource":"CONFIRM","tags":[],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-16880","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-16880","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"16880","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"16880","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"16880","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"16880","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"16880","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"16880","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2018-16880","qid":"900101","title":"CBL-Mariner Linux Security Update for kernel 5.10.52.1"},{"cve":"CVE-2018-16880","qid":"900303","title":"CBL-Mariner Linux Security Update for kernel 5.10.57.1"},{"cve":"CVE-2018-16880","qid":"900321","title":"CBL-Mariner Linux Security Update for kernel 5.10.60.1"},{"cve":"CVE-2018-16880","qid":"901039","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6518-1)"},{"cve":"CVE-2018-16880","qid":"902985","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3507)"},{"cve":"CVE-2018-16880","qid":"906087","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3507-1)"},{"cve":"CVE-2018-16880","qid":"906285","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6518-2)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2018-16880","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"A flaw was found in the Linux kernel's handle_rx() function in the [vhost_net] driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out. Versions from v4.16 and newer are vulnerable."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-787","cweId":"CWE-787"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"The Linux Foundation","product":{"product_data":[{"product_name":"kernel","version":{"version_data":[{"version_affected":"=","version_value":"from v4.16 and newer"}]}}]}}]}},"references":{"reference_data":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html","refsource":"MISC","name":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html"},{"url":"http://www.securityfocus.com/bid/106735","refsource":"MISC","name":"http://www.securityfocus.com/bid/106735"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16880","refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16880"},{"url":"https://support.f5.com/csp/article/K03593314","refsource":"MISC","name":"https://support.f5.com/csp/article/K03593314"},{"url":"https://usn.ubuntu.com/3903-1/","refsource":"MISC","name":"https://usn.ubuntu.com/3903-1/"},{"url":"https://usn.ubuntu.com/3903-2/","refsource":"MISC","name":"https://usn.ubuntu.com/3903-2/"}]},"impact":{"cvss":[{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.0"}]}},"nvd":{"publishedDate":"2019-01-29 16:29:00","lastModifiedDate":"2023-07-19 00:54:00","problem_types":["CWE-787"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7,"baseSeverity":"HIGH"},"exploitabilityScore":1,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:M/Au:N/C:C/I:C/A:C","accessVector":"LOCAL","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE","baseScore":6.9},"severity":"MEDIUM","exploitabilityScore":3.4,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"4.20.7","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"4.19.20","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"16880","Ordinal":"133691","Title":"CVE-2018-16880","CVE":"CVE-2018-16880","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"16880","Ordinal":"1","NoteData":"A flaw was found in the Linux kernel's handle_rx() function in the [vhost_net] driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out. Versions from v4.16 and newer are vulnerable.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"16880","Ordinal":"2","NoteData":"2019-01-29","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"16880","Ordinal":"3","NoteData":"2019-05-16","Type":"Other","Title":"Modified"}]}}}