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RedHat: RHSA-2019-4154-01 Important: Kernel-Alt OOB Memory Issue

An update for kernel-alt 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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel-alt security, bug fix, and enhancement update Advisory ID: RHSA-2019:4154-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:4154 Issue date: 2019-12-10 CVE Names: CVE-2017-18203 CVE-2018-14625 CVE-2018-16658 CVE-2019-14821 ==================================================================== 1. Summary: An update for kernel-alt 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 for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le, s390x Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le 3. Description: The kernel-alt packages provide the Linux kernel version 4.x. Security Fix(es): * Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821) * kernel: Race condition in drivers/md/dm.c:dm_get_from_kobject() allows local users to cause a denial of service (CVE-2017-18203) * kernel: use-after-free Read in vhost_transport_send_pkt (CVE-2018-14625) * kernel: Information leak in cdrom_ioctl_drive_status (CVE-2018-16658) 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): * IPMI use after free issue seen on Marvell ThunderX2 (BZ#1732163) * kernel: siginfo delivers SEGV_MAPERR instead of SEGV_ACCERR [rhel-alt-7.6.z] (BZ#1757189) Enhancement(s): * [Marvell 7.7 z-stream BUG] CN99xx: DIMM label not extracted in EDAC hw error log (BZ#1721427) 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/): 1550811 - CVE-2017-18203 kernel: Race condition in drivers/md/dm.c:dm_get_from_kobject() allows local users to cause a denial of service 1619846 - CVE-2018-14625 kernel: use-after-free Read in vhost_transport_send_pkt 1627731 - CVE-2018-16658 kernel: Information leak in cdrom_ioctl_drive_status 1746708 - CVE-2019-14821 Kernel: KVM: OOB memory access via mmio ring buffer 6. Package List: Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v.7): Source: kernel-alt-4.14.0-115.16.1.el7a.src.rpm aarch64: kernel-4.14.0-115.16.1.el7a.aarch64.rpm kernel-debug-4.14.0-115.16.1.el7a.aarch64.rpm kernel-debug-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm kernel-debug-devel-4.14.0-115.16.1.el7a.aarch64.rpm kernel-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm kernel-debuginfo-common-aarch64-4.14.0-115.16.1.el7a.aarch64.rpm kernel-devel-4.14.0-115.16.1.el7a.aarch64.rpm kernel-headers-4.14.0-115.16.1.el7a.aarch64.rpm kernel-tools-4.14.0-115.16.1.el7a.aarch64.rpm kernel-tools-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm kernel-tools-libs-4.14.0-115.16.1.el7a.aarch64.rpm perf-4.14.0-115.16.1.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm python-perf-4.14.0-115.16.1.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm noarch: kernel-abi-whitelists-4.14.0-115.16.1.el7a.noarch.rpm kernel-doc-4.14.0-115.16.1.el7a.noarch.rpm ppc64le: kernel-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-bootwrapper-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-debug-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-debug-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-devel-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-headers-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-tools-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-tools-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-tools-libs-4.14.0-115.16.1.el7a.ppc64le.rpm perf-4.14.0-115.16.1.el7a.ppc64le.rpm perf-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm python-perf-4.14.0-115.16.1.el7a.ppc64le.rpm python-perf-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm s390x: kernel-4.14.0-115.16.1.el7a.s390x.rpm kernel-debug-4.14.0-115.16.1.el7a.s390x.rpm kernel-debug-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm kernel-debug-devel-4.14.0-115.16.1.el7a.s390x.rpm kernel-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm kernel-debuginfo-common-s390x-4.14.0-115.16.1.el7a.s390x.rpm kernel-devel-4.14.0-115.16.1.el7a.s390x.rpm kernel-headers-4.14.0-115.16.1.el7a.s390x.rpm kernel-kdump-4.14.0-115.16.1.el7a.s390x.rpm kernel-kdump-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm kernel-kdump-devel-4.14.0-115.16.1.el7a.s390x.rpm perf-4.14.0-115.16.1.el7a.s390x.rpm perf-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm python-perf-4.14.0-115.16.1.el7a.s390x.rpm python-perf-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7): aarch64: kernel-debug-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm kernel-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm kernel-debuginfo-common-aarch64-4.14.0-115.16.1.el7a.aarch64.rpm kernel-tools-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm kernel-tools-libs-devel-4.14.0-115.16.1.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm noarch: kernel-doc-4.14.0-115.16.1.el7a.noarch.rpm ppc64le: kernel-debug-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-debug-devel-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-tools-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm kernel-tools-libs-devel-4.14.0-115.16.1.el7a.ppc64le.rpm perf-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm python-perf-debuginfo-4.14.0-115.16.1.el7a.ppc64le.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-2017-18203 https://access.redhat.com/security/cve/CVE-2018-14625 https://access.redhat.com/security/cve/CVE-2018-16658 https://access.redhat.com/security/cve/CVE-2019-14821 https://access.redhat.com/security/updates/classification#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact Copyright 2019 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPGv1 iQIVAwUBXe+JetzjgjWX9erEAQj5Cw/9Fjk/lE/ZC2Z21pZhB3GJPy4dDLvmu9PE DH+TQS7JjOm8qVnVdOF9GXRg1UHcrHkvItyPmX5kmCi2mYQRsXGtDoS4tiUiB/04 nrc31UT73cOAbQRkNH/k8Yi/jxTdCwHpAhON0L4uFAlUzLh/yQOAHtinL9IbEqIv C7OgEjTd8o9avhNmWu02cEow2zTK2+agZLfVJDYX292YErxcRhFB9xzmFBqksgwN woZZoH0+/jHTzMbm2EutfP3bJN7I/eFIbRbxW2FaP0KFmg7EvB5il7wtEnjerW2S Rz6L/m8MLjiMjExFXHqZ9GA3Ga6jQdjB4RperLKnlNAI5IjwWtggnfATwUuyc/wr J9OmMoQFm2WdfcKo5FVRqa8l6USshXMmakBLDNl2D2McDDReZvh+Ko1thdve3vc4 Y/2tebrGO2HNSe4JTYOh1ubiYak1oAUhd4hZTaxA5KXzD1M0HduNre6+V4KsHjks rWh3nKW4n99yeBw5NRhx9SfjIOoeLZgQSws8SDSaziF4CFm20kOnscNC0da2qUYQ Kor+qgFxjsFjOQN1mS1DMtiC0/6t0UjQlczASmTaaKxvWgEMaHg/qzAa7LUpURrE TBJ6i+m2q/RrdgU3+hUvjZiovQ9ujViPHiz4Zvu5AlKqGrxlwUEo7zqAE+eQVXN6 q8EWRLGAQ4M=NOlI -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . Critical Notice for Kernel-Alt: Security Improvements and Bug Fixes for Red Hat 7 Users. Red Hat Enterprise Linux, Kernel Update, Security Advisory, Bug Fixes, Kernel Security. . Severity: Important. LinuxSecurity.com Team

Dec 10, 2019 •Important Red Hat