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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1389 Important: kernel security and bug fix update 24 April 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Linux kernel Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Root Compromise -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-7221 CVE-2019-6974 Reference: ESB-2019.1189 ESB-2019.1127 ESB-2019.0892 ESB-2019.0675 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:0818 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2019:0818-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:0818 Issue date: 2019-04-23 CVE Names: CVE-2019-6974 CVE-2019-7221 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * Kernel: KVM: potential use-after-free via kvm_ioctl_create_device() (CVE-2019-6974) * Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer (CVE-2019-7221) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * rbd: avoid corruption on partially completed bios [rhel-7.6.z] (BZ#1672514) * xfs_vm_writepages deadly embrace between kworker and user task. [rhel-7.6.z] (BZ#1673281) * Offload Connections always get vlan priority 0 [rhel-7.6.z] (BZ#1673821) * [NOKIA] RHEL sends flood of Neighbour Solicitations under specific conditions [rhel-7.6.z] (BZ#1677179) * RHEL 7.6 - Host crash occurred on NVMe/IB system while running controller reset [rhel-7.6.z] (BZ#1678214) * [rhel7] raid0 md workqueue deadlock with stacked md devices [rhel-7.6.z] (BZ#1678215) * [PureStorage7.6]nvme disconnect following an unsuccessful Admin queue creation causes kernel panic [rhel-7.6.z] (BZ#1678216) * RFC: Regression with -fstack-check in 'backport upstream large stack guard patch to RHEL6' patch [rhel-7.6.z] (BZ#1678221) * [Hyper-V] [RHEL 7.6]hv_netvsc: Fix a network regression after ifdown/ifup [rhel-7.6.z] (BZ#1679997) * rtc_cmos: probe of 00:01 failed with error -16 [rhel-7.6.z] (BZ#1683078) * ACPI WDAT watchdog update [rhel-7.6.z] (BZ#1683079) * high ovs-vswitchd CPU usage when VRRP over VXLAN tunnel causing qrouter fail-over [rhel-7.6.z] (BZ#1683093) * Openshift node drops outgoing POD traffic due to NAT hashtable race in __ip_conntrack_confirm() [rhel-7.6.z] (BZ#1686766) * [Backport] [v3,2/2] net: igmp: Allow user-space configuration of igmp unsolicited report interval [rhel-7.6.z] (BZ#1686771) * [RHEL7.6]: Intermittently seen FIFO parity error on T6225-SO adapter [rhel-7.6.z] (BZ#1687487) * The number of unsolict report about IGMP is incorrect [rhel-7.6.z] (BZ#1688225) * RDT driver causing failure to boot on AMD Rome system with more than 255 CPUs [rhel-7.6.z] (BZ#1689120) * mpt3sas_cm0: fault_state(0x2100)! [rhel-7.6.z] (BZ#1689379) * rwsem in inconsistent state leading system to hung [rhel-7.6.z] (BZ#1690323) Users of kernel are advised to upgrade to these updated packages, which fix these bugs. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1671904 - CVE-2019-7221 Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer 1671913 - CVE-2019-6974 Kernel: KVM: potential use-after-free via kvm_ioctl_create_device() 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: kernel-3.10.0-957.12.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-957.12.1.el7.noarch.rpm kernel-doc-3.10.0-957.12.1.el7.noarch.rpm x86_64: bpftool-3.10.0-957.12.1.el7.x86_64.rpm kernel-3.10.0-957.12.1.el7.x86_64.rpm kernel-debug-3.10.0-957.12.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.12.1.el7.x86_64.rpm kernel-devel-3.10.0-957.12.1.el7.x86_64.rpm kernel-headers-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.12.1.el7.x86_64.rpm perf-3.10.0-957.12.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm python-perf-3.10.0-957.12.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: kernel-debug-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.12.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: kernel-3.10.0-957.12.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-957.12.1.el7.noarch.rpm kernel-doc-3.10.0-957.12.1.el7.noarch.rpm x86_64: bpftool-3.10.0-957.12.1.el7.x86_64.rpm kernel-3.10.0-957.12.1.el7.x86_64.rpm kernel-debug-3.10.0-957.12.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.12.1.el7.x86_64.rpm kernel-devel-3.10.0-957.12.1.el7.x86_64.rpm kernel-headers-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.12.1.el7.x86_64.rpm perf-3.10.0-957.12.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm python-perf-3.10.0-957.12.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: kernel-debug-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.12.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: kernel-3.10.0-957.12.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-957.12.1.el7.noarch.rpm kernel-doc-3.10.0-957.12.1.el7.noarch.rpm ppc64: kernel-3.10.0-957.12.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-957.12.1.el7.ppc64.rpm kernel-debug-3.10.0-957.12.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-957.12.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-957.12.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-957.12.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-957.12.1.el7.ppc64.rpm kernel-devel-3.10.0-957.12.1.el7.ppc64.rpm kernel-headers-3.10.0-957.12.1.el7.ppc64.rpm kernel-tools-3.10.0-957.12.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-957.12.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-957.12.1.el7.ppc64.rpm perf-3.10.0-957.12.1.el7.ppc64.rpm perf-debuginfo-3.10.0-957.12.1.el7.ppc64.rpm python-perf-3.10.0-957.12.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.ppc64.rpm ppc64le: kernel-3.10.0-957.12.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-957.12.1.el7.ppc64le.rpm kernel-debug-3.10.0-957.12.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-957.12.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-957.12.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-957.12.1.el7.ppc64le.rpm kernel-devel-3.10.0-957.12.1.el7.ppc64le.rpm kernel-headers-3.10.0-957.12.1.el7.ppc64le.rpm kernel-tools-3.10.0-957.12.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-957.12.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-957.12.1.el7.ppc64le.rpm perf-3.10.0-957.12.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-957.12.1.el7.ppc64le.rpm python-perf-3.10.0-957.12.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.ppc64le.rpm s390x: kernel-3.10.0-957.12.1.el7.s390x.rpm kernel-debug-3.10.0-957.12.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-957.12.1.el7.s390x.rpm kernel-debug-devel-3.10.0-957.12.1.el7.s390x.rpm kernel-debuginfo-3.10.0-957.12.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-957.12.1.el7.s390x.rpm kernel-devel-3.10.0-957.12.1.el7.s390x.rpm kernel-headers-3.10.0-957.12.1.el7.s390x.rpm kernel-kdump-3.10.0-957.12.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-957.12.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-957.12.1.el7.s390x.rpm perf-3.10.0-957.12.1.el7.s390x.rpm perf-debuginfo-3.10.0-957.12.1.el7.s390x.rpm python-perf-3.10.0-957.12.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.s390x.rpm x86_64: bpftool-3.10.0-957.12.1.el7.x86_64.rpm kernel-3.10.0-957.12.1.el7.x86_64.rpm kernel-debug-3.10.0-957.12.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.12.1.el7.x86_64.rpm kernel-devel-3.10.0-957.12.1.el7.x86_64.rpm kernel-headers-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.12.1.el7.x86_64.rpm perf-3.10.0-957.12.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm python-perf-3.10.0-957.12.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: kernel-debug-debuginfo-3.10.0-957.12.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-957.12.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-957.12.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-957.12.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-957.12.1.el7.ppc64.rpm perf-debuginfo-3.10.0-957.12.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.ppc64.rpm ppc64le: kernel-debug-debuginfo-3.10.0-957.12.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-957.12.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-957.12.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-957.12.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-957.12.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-957.12.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-957.12.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.ppc64le.rpm x86_64: kernel-debug-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.12.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: kernel-3.10.0-957.12.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-957.12.1.el7.noarch.rpm kernel-doc-3.10.0-957.12.1.el7.noarch.rpm x86_64: bpftool-3.10.0-957.12.1.el7.x86_64.rpm kernel-3.10.0-957.12.1.el7.x86_64.rpm kernel-debug-3.10.0-957.12.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.12.1.el7.x86_64.rpm kernel-devel-3.10.0-957.12.1.el7.x86_64.rpm kernel-headers-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.12.1.el7.x86_64.rpm perf-3.10.0-957.12.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm python-perf-3.10.0-957.12.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: kernel-debug-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.12.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.12.1.el7.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2019-6974 https://access.redhat.com/security/cve/CVE-2019-7221 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXL8hr9zjgjWX9erEAQhpRA//SO28D0BzCiZeNMWg7p//rAc9DGgsNxnq CMBTE2lJGOOt0DXTAw9Y3h/p46aA1UUbGmjUtL/Vvu0RUpuuPTOa3hzviavXVGBu PLh+QHRw9E9NBi90T24R2M0CeuUCVDn2UUqIWia7d5bb3VuS6zCjP8cq9bBa7kBN /bpYXeCv38pLGDU2H8P8N7EY4pFJBXp7CpiuLvsMgxNfUlxEZh913BfStDHWJAg2 yi9NdCNtG+3hFB3LhLEedYTGxfZmuNBp8K9D6en1RryideGeyyjGiKKShRGclD+o KOnuXrPuHdS5fO1ci8FzymQapQSzUWjuwYXmqFAaPLLOGesGgb1wiCKgqLN3+3Oy jjlDtD8lkiZDNwDRs27WOkQMzsV/+J0cUAQOoP0KbetSQSJuRLXD0Kkss0c8kpO6 W7YVpwVnMioe0jFtpNu8OtjIgsTRycZ+Z01Mr7U/gH9J7i5Dysvtil+2i2xBPnM5 +vLPIDzreB+pbG5BPrIUgM/CkYh5Yltq4nbiifhWXdSxR/t0a06in60SbDezB6Lt SnQavsmJSZBQ5iEhQABcMNChZPeZj1N5haC4ZFP8XD9gJLZyrNqL1tBLzVr4xhzx +4Trsi6td3ZuQe0wdX2rS07oIk6Tjc2yxNaiGMvM4NPYt4ZOswZvyQYk4QPJ2VRN zd1Qi+4M27U= =IoLu - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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