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    RedHat: RHSA-2020-3266:01 Important: kernel-rt security and bug fix update

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    An update for kernel-rt is now available for Red Hat Enterprise MRG 2. 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
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: kernel-rt security and bug fix update
    Advisory ID:       RHSA-2020:3266-01
    Product:           Red Hat Enterprise MRG for RHEL-6
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:3266
    Issue date:        2020-08-03
    CVE Names:         CVE-2019-11487 
    =====================================================================
    
    1. Summary:
    
    An update for kernel-rt is now available for Red Hat Enterprise MRG 2.
    
    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 MRG Realtime for RHEL 6 Server v.2 - noarch, x86_64
    
    3. Description:
    
    The kernel-rt packages provide the Real Time Linux Kernel, which enables
    fine-tuning for systems with extremely high determinism requirements.
    
    Security Fix(es):
    
    * kernel: Count overflow in FUSE request leading to use-after-free issues.
    (CVE-2019-11487)
    
    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):
    
    * update the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1850280)
    
    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/):
    
    1703063 - CVE-2019-11487 kernel: Count overflow in FUSE request leading to use-after-free issues.
    
    6. Package List:
    
    Red Hat MRG Realtime for RHEL 6 Server v.2:
    
    Source:
    kernel-rt-3.10.0-693.71.2.rt56.670.el6rt.src.rpm
    
    noarch:
    kernel-rt-doc-3.10.0-693.71.2.rt56.670.el6rt.noarch.rpm
    kernel-rt-firmware-3.10.0-693.71.2.rt56.670.el6rt.noarch.rpm
    
    x86_64:
    kernel-rt-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
    kernel-rt-debug-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
    kernel-rt-debug-debuginfo-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
    kernel-rt-debug-devel-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
    kernel-rt-debuginfo-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
    kernel-rt-debuginfo-common-x86_64-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
    kernel-rt-devel-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
    kernel-rt-trace-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
    kernel-rt-trace-debuginfo-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
    kernel-rt-trace-devel-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
    kernel-rt-vanilla-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
    kernel-rt-vanilla-debuginfo-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
    kernel-rt-vanilla-devel-3.10.0-693.71.2.rt56.670.el6rt.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-2019-11487
    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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