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{"acknowledgement": "This issue was discovered by Jason Wang (Red Hat Inc.).", "affected_release": [{"advisory": "RHSA-2019:3836", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-754.24.2.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-11-12T00:00:00Z"}, {"advisory": "RHSA-2019:2043", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-1062.rt56.1022.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-07T00:00:00Z"}, {"advisory": "RHSA-2019:1973", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-alt-0:4.14.0-115.10.1.el7a", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-07-30T00:00:00Z"}, {"advisory": "RHSA-2019:2029", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-1062.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-06T00:00:00Z"}, {"advisory": "RHSA-2019:4058", "cpe": "cpe:/o:redhat:rhel_aus:7.4", "package": "kernel-0:3.10.0-693.61.1.el7", "product_name": "Red Hat Enterprise Linux 7.4 Advanced Update Support", "release_date": "2019-12-03T00:00:00Z"}, {"advisory": "RHSA-2019:4058", "cpe": "cpe:/o:redhat:rhel_tus:7.4", "package": "kernel-0:3.10.0-693.61.1.el7", "product_name": "Red Hat Enterprise Linux 7.4 Telco Extended Update Support", "release_date": "2019-12-03T00:00:00Z"}, {"advisory": "RHSA-2019:4058", "cpe": "cpe:/o:redhat:rhel_e4s:7.4", "package": "kernel-0:3.10.0-693.61.1.el7", "product_name": "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions", "release_date": "2019-12-03T00:00:00Z"}, {"advisory": "RHSA-2019:3967", "cpe": "cpe:/o:redhat:rhel_eus:7.5", "package": "kernel-0:3.10.0-862.44.2.el7", "product_name": "Red Hat Enterprise Linux 7.5 Extended Update Support", "release_date": "2019-11-26T00:00:00Z"}, {"advisory": "RHSA-2019:3220", "cpe": "cpe:/o:redhat:rhel_eus:7.6", "package": "kernel-0:3.10.0-957.38.1.el7", "product_name": "Red Hat Enterprise Linux 7.6 Extended Update Support", "release_date": "2019-10-29T00:00:00Z"}, {"advisory": "RHSA-2019:3309", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-147.rt24.93.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-11-05T00:00:00Z"}, {"advisory": "RHSA-2019:3517", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-147.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-11-05T00:00:00Z"}, {"advisory": "RHSA-2020:0204", "cpe": "cpe:/o:redhat:rhel_e4s:8.0", "package": "kernel-0:4.18.0-80.15.1.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-01-22T00:00:00Z"}, {"advisory": "RHSA-2019:3220", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "kernel-0:3.10.0-957.38.1.el7", "product_name": "Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2019-10-29T00:00:00Z"}], "bugzilla": {"description": "Kernel: vhost_net: infinite loop while receiving packets leads to DoS", "id": "1698757", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1698757"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.3", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-835", "details": ["An infinite loop issue was found in the vhost_net kernel module in Linux Kernel up to and including v5.1-rc6, while handling incoming packets in handle_rx(). It could occur if one end sends packets faster than the other end can process them. A guest user, maybe remote one, could use this flaw to stall the vhost_net kernel thread, resulting in a DoS scenario.", "An infinite loop issue was found in the vhost_net kernel module while handling incoming packets in handle_rx(). The infinite loop could occur if one end sends packets faster than the other end can process them. A guest user, maybe a remote one, could use this flaw to stall the vhost_net kernel thread, resulting in a DoS scenario."], "name": "CVE-2019-3900", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2019-04-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-3900\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-3900"], "statement": "This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2.\nThis issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 6 and 7. Future kernel updates for Red Hat Enterprise Linux 6 and 7 may address this issue.", "threat_severity": "Important"}