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{"affected_release": [{"advisory": "RHSA-2020:4290", "cpe": "cpe:/a:redhat:advanced_virtualization:8.1::el8", "package": "virt:8.1-8010120200911011910.5db1954d", "product_name": "Advanced Virtualization for RHEL 8.1.1", "release_date": "2020-10-20T00:00:00Z"}, {"advisory": "RHSA-2020:4290", "cpe": "cpe:/a:redhat:advanced_virtualization:8.1::el8", "package": "virt-devel:8.1-8010120200911011910.5db1954d", "product_name": "Advanced Virtualization for RHEL 8.1.1", "release_date": "2020-10-20T00:00:00Z"}, {"advisory": "RHBA-2020:3172", "cpe": "cpe:/a:redhat:advanced_virtualization:8.2::el8", "package": "virt:8.2-8020120200707202843.11e3e113", "product_name": "Advanced Virtualization for RHEL 8.2.1", "release_date": "2020-07-28T00:00:00Z"}, {"advisory": "RHBA-2020:3172", "cpe": "cpe:/a:redhat:advanced_virtualization:8.2::el8", "package": "virt-devel:8.2-8020120200707202843.11e3e113", "product_name": "Advanced Virtualization for RHEL 8.2.1", "release_date": "2020-07-28T00:00:00Z"}, {"advisory": "RHSA-2020:4079", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "qemu-kvm-10:1.5.3-175.el7_9.1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-09-30T00:00:00Z"}, {"advisory": "RHSA-2021:0346", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "qemu-kvm-ma-10:2.12.0-48.el7_9.2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-02-02T00:00:00Z"}, {"advisory": "RHSA-2020:3053", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "container-tools:rhel8-8020120200601155013.ffd2803a", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-21T00:00:00Z"}, {"advisory": "RHSA-2020:4676", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt-devel:rhel-8030020200909014558.30b713e6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-11-04T00:00:00Z"}, {"advisory": "RHSA-2020:4676", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt:rhel-8030020200909014558.30b713e6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-11-04T00:00:00Z"}, {"advisory": "RHSA-2021:0934", "cpe": "cpe:/a:redhat:openstack:13::el7", "package": "qemu-kvm-rhev-10:2.12.0-48.el7_9.2", "product_name": "Red Hat OpenStack Platform 13.0 (Queens)", "release_date": "2021-03-18T00:00:00Z"}, {"advisory": "RHSA-2021:0459", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "qemu-kvm-rhev-10:2.12.0-48.el7_9.2", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2021-02-09T00:00:00Z"}, {"advisory": "RHSA-2021:0459", "cpe": "cpe:/a:redhat:rhev_manager:4.3", "package": "qemu-kvm-rhev-10:2.12.0-48.el7_9.2", "product_name": "Red Hat Virtualization Engine 4.3", "release_date": "2021-02-09T00:00:00Z"}], "bugzilla": {"description": "QEMU: slirp: use-after-free in ip_reass() function in ip_input.c", "id": "1829825", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1829825"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.", "A use-after-free flaw was found in the SLiRP networking implementation of the QEMU emulator. Specifically, this flaw occurs in the ip_reass() routine while reassembling incoming IP fragments whose combined size is bigger than 65k. This flaw allows an attacker to crash the QEMU process on the host, resulting in a denial of service."], "name": "CVE-2020-1983", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "slirp4netns", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "container-tools:1.0/slirp4netns", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "container-tools:2.0/slirp4netns", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Affected", "package_name": "virt:8.1/qemu-kvm", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Affected", "package_name": "virt:8.2/qemu-kvm", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Not affected", "package_name": "virt:8.3/qemu-kvm", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "slirp4netns", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Out of support scope", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}], "public_date": "2020-04-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-1983\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-1983"], "threat_severity": "Moderate", "upstream_fix": "libslirp 4.3.0"}