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{"acknowledgement": "Red Hat would like to thank Evgenii Shatokhin (Virtuozzo) and Vasily Averin (Virtuozzo) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2019:1891", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-957.27.2.rt56.940.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-07-29T00:00:00Z"}, {"advisory": "RHSA-2019:1873", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-957.27.2.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:2854", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-alt-0:4.14.0-115.26.1.el7a", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-07T00:00:00Z"}, {"advisory": "RHSA-2019:2696", "cpe": "cpe:/o:redhat:rhel_eus:7.4", "package": "kernel-0:3.10.0-693.58.1.el7", "product_name": "Red Hat Enterprise Linux 7.4 Extended Update Support", "release_date": "2019-09-12T00:00:00Z"}, {"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-2019:2730", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-1:3.10.0-693.58.1.rt56.652.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2019-09-11T00:00:00Z"}], "bugzilla": {"description": "kernel: nfs: use-after-free in svc_process_common()", "id": "1660375", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1660375"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["A flaw was found in the Linux kernel's NFS41+ subsystem. NFS41+ shares mounted in different network namespaces at the same time can make bc_svc_process() use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.", "A flaw was found in the Linux kernel's NFS41+ subsystem. NFS41+ shares mounted in different network namespaces at the same time can make bc_svc_process() use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out."], "name": "CVE-2018-16884", "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:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2018-11-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-16884\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-16884"], "threat_severity": "Important"}