RedHat: RHSA-2020-0178:01 Important: kernel security and enhancement update

    Date21 Jan 2020
    146
    Posted ByLinuxSecurity Advisories
    An update for kernel is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.3 Telco Extended Update Support, and Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions.
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: kernel security and enhancement update
    Advisory ID:       RHSA-2020:0178-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:0178
    Issue date:        2020-01-21
    CVE Names:         CVE-2018-20976 
    =====================================================================
    
    1. Summary:
    
    An update for kernel is now available for Red Hat Enterprise Linux 7.3
    Advanced Update Support, Red Hat Enterprise Linux 7.3 Telco Extended Update
    Support, and Red Hat Enterprise Linux 7.3 Update Services for SAP
    Solutions.
    
    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 Server AUS (v. 7.3) - noarch, x86_64
    Red Hat Enterprise Linux Server E4S (v. 7.3) - noarch, ppc64le, x86_64
    Red Hat Enterprise Linux Server Optional AUS (v. 7.3) - x86_64
    Red Hat Enterprise Linux Server Optional E4S (v. 7.3) - ppc64le, x86_64
    Red Hat Enterprise Linux Server Optional TUS (v. 7.3) - x86_64
    Red Hat Enterprise Linux Server TUS (v. 7.3) - noarch, x86_64
    
    3. Description:
    
    The kernel packages contain the Linux kernel, the core of any Linux
    operating system.
    
    Security Fix(es):
    
    * kernel: use-after-free in fs/xfs/xfs_super.c (CVE-2018-20976)
    
    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.
    
    Enhancement(s):
    
    * Selective backport: perf: Sync with upstream v4.16 (BZ#1782749)
    
    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/):
    
    1743547 - CVE-2018-20976 kernel: use-after-free in fs/xfs/xfs_super.c
    
    6. Package List:
    
    Red Hat Enterprise Linux Server AUS (v. 7.3):
    
    Source:
    kernel-3.10.0-514.72.1.el7.src.rpm
    
    noarch:
    kernel-abi-whitelists-3.10.0-514.72.1.el7.noarch.rpm
    kernel-doc-3.10.0-514.72.1.el7.noarch.rpm
    
    x86_64:
    kernel-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debug-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debug-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debug-devel-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-devel-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-headers-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-libs-3.10.0-514.72.1.el7.x86_64.rpm
    perf-3.10.0-514.72.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    python-perf-3.10.0-514.72.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server E4S (v. 7.3):
    
    Source:
    kernel-3.10.0-514.72.1.el7.src.rpm
    
    noarch:
    kernel-abi-whitelists-3.10.0-514.72.1.el7.noarch.rpm
    kernel-doc-3.10.0-514.72.1.el7.noarch.rpm
    
    ppc64le:
    kernel-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-bootwrapper-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-debug-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-debug-debuginfo-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-debuginfo-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-devel-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-headers-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-tools-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-tools-debuginfo-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-tools-libs-3.10.0-514.72.1.el7.ppc64le.rpm
    perf-3.10.0-514.72.1.el7.ppc64le.rpm
    perf-debuginfo-3.10.0-514.72.1.el7.ppc64le.rpm
    python-perf-3.10.0-514.72.1.el7.ppc64le.rpm
    python-perf-debuginfo-3.10.0-514.72.1.el7.ppc64le.rpm
    
    x86_64:
    kernel-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debug-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debug-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debug-devel-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-devel-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-headers-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-libs-3.10.0-514.72.1.el7.x86_64.rpm
    perf-3.10.0-514.72.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    python-perf-3.10.0-514.72.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server TUS (v. 7.3):
    
    Source:
    kernel-3.10.0-514.72.1.el7.src.rpm
    
    noarch:
    kernel-abi-whitelists-3.10.0-514.72.1.el7.noarch.rpm
    kernel-doc-3.10.0-514.72.1.el7.noarch.rpm
    
    x86_64:
    kernel-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debug-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debug-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debug-devel-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-devel-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-headers-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-libs-3.10.0-514.72.1.el7.x86_64.rpm
    perf-3.10.0-514.72.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    python-perf-3.10.0-514.72.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional AUS (v. 7.3):
    
    x86_64:
    kernel-debug-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-libs-devel-3.10.0-514.72.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional E4S (v. 7.3):
    
    ppc64le:
    kernel-debug-debuginfo-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-debug-devel-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-debuginfo-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-tools-debuginfo-3.10.0-514.72.1.el7.ppc64le.rpm
    kernel-tools-libs-devel-3.10.0-514.72.1.el7.ppc64le.rpm
    perf-debuginfo-3.10.0-514.72.1.el7.ppc64le.rpm
    python-perf-debuginfo-3.10.0-514.72.1.el7.ppc64le.rpm
    
    x86_64:
    kernel-debug-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-libs-devel-3.10.0-514.72.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional TUS (v. 7.3):
    
    x86_64:
    kernel-debug-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    kernel-tools-libs-devel-3.10.0-514.72.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-514.72.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-514.72.1.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-2018-20976
    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 2020 Red Hat, Inc.
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