RedHat: RHSA-2020-0027:01 Important: kpatch-patch security update

    Date06 Jan 2020
    389
    Posted ByLinuxSecurity Advisories
    An update for kpatch-patch 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
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: kpatch-patch security update
    Advisory ID:       RHSA-2020:0027-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:0027
    Issue date:        2020-01-06
    CVE Names:         CVE-2019-14821 CVE-2019-15239 
    =====================================================================
    
    1. Summary:
    
    An update for kpatch-patch 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 Server (v. 7) - ppc64le, x86_64
    
    3. Description:
    
    This is a kernel live patch module which is automatically loaded by the RPM
    post-install script to modify the code of a running kernel.
    
    Security fix(es):
    
    * Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)
    
    * kernel: local attacker can trigger multiple use-after-free conditions
    results in privilege escalation (CVE-2019-15239)
    
    For more details about the security issue(s), including the impact, a CVSS
    score, acknowledgements, and other related information, refer to the CVE
    page(s) listed in the References section.
    
    4. Solution:
    
    Before applying this update, make sure all previously released errata
    relevant to your system have been applied.
    
    For details on how to apply this update, which includes the changes
    described in this advisory, refer to:
    
    https://access.redhat.com/articles/11258
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1746708 - CVE-2019-14821 Kernel: KVM: OOB memory access via mmio ring buffer
    1747353 - CVE-2019-15239 kernel: local attacker can trigger multiple use-after-free conditions results in privilege escalation
    
    6. Package List:
    
    Red Hat Enterprise Linux Server (v. 7):
    
    Source:
    kpatch-patch-3_10_0-1062-1-11.el7.src.rpm
    kpatch-patch-3_10_0-1062_1_1-1-10.el7.src.rpm
    kpatch-patch-3_10_0-1062_1_2-1-9.el7.src.rpm
    kpatch-patch-3_10_0-1062_4_1-1-6.el7.src.rpm
    kpatch-patch-3_10_0-1062_4_2-1-3.el7.src.rpm
    kpatch-patch-3_10_0-1062_4_3-1-3.el7.src.rpm
    
    ppc64le:
    kpatch-patch-3_10_0-1062-1-11.el7.ppc64le.rpm
    kpatch-patch-3_10_0-1062-debuginfo-1-11.el7.ppc64le.rpm
    kpatch-patch-3_10_0-1062_1_1-1-10.el7.ppc64le.rpm
    kpatch-patch-3_10_0-1062_1_1-debuginfo-1-10.el7.ppc64le.rpm
    kpatch-patch-3_10_0-1062_1_2-1-9.el7.ppc64le.rpm
    kpatch-patch-3_10_0-1062_1_2-debuginfo-1-9.el7.ppc64le.rpm
    kpatch-patch-3_10_0-1062_4_1-1-6.el7.ppc64le.rpm
    kpatch-patch-3_10_0-1062_4_1-debuginfo-1-6.el7.ppc64le.rpm
    kpatch-patch-3_10_0-1062_4_2-1-3.el7.ppc64le.rpm
    kpatch-patch-3_10_0-1062_4_3-1-3.el7.ppc64le.rpm
    
    x86_64:
    kpatch-patch-3_10_0-1062-1-11.el7.x86_64.rpm
    kpatch-patch-3_10_0-1062-debuginfo-1-11.el7.x86_64.rpm
    kpatch-patch-3_10_0-1062_1_1-1-10.el7.x86_64.rpm
    kpatch-patch-3_10_0-1062_1_1-debuginfo-1-10.el7.x86_64.rpm
    kpatch-patch-3_10_0-1062_1_2-1-9.el7.x86_64.rpm
    kpatch-patch-3_10_0-1062_1_2-debuginfo-1-9.el7.x86_64.rpm
    kpatch-patch-3_10_0-1062_4_1-1-6.el7.x86_64.rpm
    kpatch-patch-3_10_0-1062_4_1-debuginfo-1-6.el7.x86_64.rpm
    kpatch-patch-3_10_0-1062_4_2-1-3.el7.x86_64.rpm
    kpatch-patch-3_10_0-1062_4_3-1-3.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-2019-14821
    https://access.redhat.com/security/cve/CVE-2019-15239
    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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