RedHat: RHSA-2019-2837:01 Important: kernel security and bug fix update

    Date20 Sep 2019
    CategoryRed Hat
    842
    Posted ByLinuxSecurity Advisories
    An update for kernel is now available for Red Hat Enterprise Linux 7.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: kernel security and bug fix update
    Advisory ID:       RHSA-2019:2837-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2019:2837
    Issue date:        2019-09-20
    CVE Names:         CVE-2019-5489 CVE-2019-11810 
    =====================================================================
    
    1. Summary:
    
    An update for kernel is now available for Red Hat Enterprise Linux 7.6
    Extended Update Support.
    
    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 ComputeNode EUS (v. 7.6) - noarch, x86_64
    Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64
    Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch, ppc64, ppc64le, s390x, x86_64
    Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - ppc64, ppc64le, x86_64
    
    3. Description:
    
    The kernel packages contain the Linux kernel, the core of any Linux
    operating system.
    
    Security Fix(es):
    
    * Kernel: page cache side channel attacks (CVE-2019-5489)
    
    * kernel: a NULL pointer dereference in
    drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS (CVE-2019-11810)
    
    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):
    
    * [RHEL7.7] Refined TSC clocksource calibration occasionally fails on some
    SkyLake-X servers (BZ#1719781)
    
    * tc: incorrect flows statistic on bond device (shared block) (BZ#1719786)
    
    * Qlogic qla2xxx driver version 10.x.x.x pins all irq requests to cpu0 and
    associated cores (BZ#1720956)
    
    * libceph: handle an empty authorize reply (BZ#1722769)
    
    * RHEL7.6 - pkey: Indicate old mkvp only if old and curr. mkvp are
    different (BZ#1723153)
    
    * RHEL7.6 - qdio: clear intparm during shutdown (BZ#1723154)
    
    * [RHEL7] Fix Spectre V1 vulnerability in vhost code (BZ#1724079)
    
    * [Stratus] 802.3ad bond group member disabled after reboot (or I/O failure
    testing) (BZ#1725037)
    
    * Accept validate negotiate if server returns NT_STATUS_NOT_SUPPORTED.
    (BZ#1726563)
    
    * [Regression] RHEL7.6 - losing dirty bit during THP splitting, possible
    memory corruption (mm-) (BZ#1727108)
    
    * [Intel 7.7 BUG]  BUG: unable to handle kernel paging request at
    000000006b4fd010 (BZ#1727110)
    
    * KVM tracebacks causing significant latency to VM (BZ#1728174)
    
    * NULL pointer dereference in vxlan_dellink+0xaa (BZ#1728198)
    
    * [rhel7]NULL pointer dereference at vxlan_fill_metadata_dst (BZ#1728199)
    
    * After update to RHEL 7.6 (3.10.0-957.1.3.el7.x86_64) from 7.4, customer
    has experienced multiple panics in kernel at BUG at
    drivers/iommu/iova.c:859! (BZ#1731300)
    
    * kernel build: speed up debuginfo extraction (BZ#1731464)
    
    * hpsa driver hard lockup trying to complete a no longer valid completion
    on the stack (BZ#1731980)
    
    * XFS: forced shutdown in xfs_trans_cancel during create near ENOSPC
    (BZ#1731982)
    
    * TCP packets are segmented when sent to the VLAN device when coming from
    VXLAN dev. (BZ#1732812)
    
    * panic handing smb2_reconnect due to a use after free (BZ#1737381)
    
    * Backport TCP follow-up for small buffers (BZ#1739129)
    
    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/):
    
    1664110 - CVE-2019-5489 Kernel: page cache side channel attacks
    1709164 - CVE-2019-11810 kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS
    
    6. Package List:
    
    Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):
    
    Source:
    kernel-3.10.0-957.35.1.el7.src.rpm
    
    noarch:
    kernel-abi-whitelists-3.10.0-957.35.1.el7.noarch.rpm
    kernel-doc-3.10.0-957.35.1.el7.noarch.rpm
    
    x86_64:
    bpftool-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debug-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debug-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debug-devel-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-devel-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-headers-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-tools-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-tools-libs-3.10.0-957.35.1.el7.x86_64.rpm
    perf-3.10.0-957.35.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    python-perf-3.10.0-957.35.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):
    
    x86_64:
    kernel-debug-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-tools-libs-devel-3.10.0-957.35.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server EUS (v. 7.6):
    
    Source:
    kernel-3.10.0-957.35.1.el7.src.rpm
    
    noarch:
    kernel-abi-whitelists-3.10.0-957.35.1.el7.noarch.rpm
    kernel-doc-3.10.0-957.35.1.el7.noarch.rpm
    
    ppc64:
    kernel-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-bootwrapper-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-debug-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-debug-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-debug-devel-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-debuginfo-common-ppc64-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-devel-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-headers-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-tools-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-tools-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-tools-libs-3.10.0-957.35.1.el7.ppc64.rpm
    perf-3.10.0-957.35.1.el7.ppc64.rpm
    perf-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
    python-perf-3.10.0-957.35.1.el7.ppc64.rpm
    python-perf-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
    
    ppc64le:
    kernel-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-bootwrapper-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-debug-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-debug-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-devel-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-headers-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-tools-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-tools-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-tools-libs-3.10.0-957.35.1.el7.ppc64le.rpm
    perf-3.10.0-957.35.1.el7.ppc64le.rpm
    perf-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
    python-perf-3.10.0-957.35.1.el7.ppc64le.rpm
    python-perf-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
    
    s390x:
    kernel-3.10.0-957.35.1.el7.s390x.rpm
    kernel-debug-3.10.0-957.35.1.el7.s390x.rpm
    kernel-debug-debuginfo-3.10.0-957.35.1.el7.s390x.rpm
    kernel-debug-devel-3.10.0-957.35.1.el7.s390x.rpm
    kernel-debuginfo-3.10.0-957.35.1.el7.s390x.rpm
    kernel-debuginfo-common-s390x-3.10.0-957.35.1.el7.s390x.rpm
    kernel-devel-3.10.0-957.35.1.el7.s390x.rpm
    kernel-headers-3.10.0-957.35.1.el7.s390x.rpm
    kernel-kdump-3.10.0-957.35.1.el7.s390x.rpm
    kernel-kdump-debuginfo-3.10.0-957.35.1.el7.s390x.rpm
    kernel-kdump-devel-3.10.0-957.35.1.el7.s390x.rpm
    perf-3.10.0-957.35.1.el7.s390x.rpm
    perf-debuginfo-3.10.0-957.35.1.el7.s390x.rpm
    python-perf-3.10.0-957.35.1.el7.s390x.rpm
    python-perf-debuginfo-3.10.0-957.35.1.el7.s390x.rpm
    
    x86_64:
    bpftool-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debug-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debug-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debug-devel-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-devel-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-headers-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-tools-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-tools-libs-3.10.0-957.35.1.el7.x86_64.rpm
    perf-3.10.0-957.35.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    python-perf-3.10.0-957.35.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional EUS (v. 7.6):
    
    ppc64:
    kernel-debug-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-debuginfo-common-ppc64-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-tools-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
    kernel-tools-libs-devel-3.10.0-957.35.1.el7.ppc64.rpm
    perf-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
    python-perf-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
    
    ppc64le:
    kernel-debug-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-debug-devel-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-tools-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
    kernel-tools-libs-devel-3.10.0-957.35.1.el7.ppc64le.rpm
    perf-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
    python-perf-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
    
    x86_64:
    kernel-debug-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    kernel-tools-libs-devel-3.10.0-957.35.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-957.35.1.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-2019-5489
    https://access.redhat.com/security/cve/CVE-2019-11810
    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.
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