RedHat: RHSA-2019-2476:01 Important: kernel security update

    Date13 Aug 2019
    CategoryRed Hat
    1229
    Posted ByLinuxSecurity Advisories
    An update for kernel is now available for Red Hat Enterprise Linux 6.6 Advanced 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 update
    Advisory ID:       RHSA-2019:2476-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2019:2476
    Issue date:        2019-08-13
    CVE Names:         CVE-2018-13405 CVE-2019-1125 
    =====================================================================
    
    1. Summary:
    
    An update for kernel is now available for Red Hat Enterprise Linux 6.6
    Advanced 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 Server AUS (v. 6.6) - noarch, x86_64
    Red Hat Enterprise Linux Server Optional AUS (v. 6.6) - x86_64
    
    3. Description:
    
    The kernel packages contain the Linux kernel, the core of any Linux
    operating system.
    
    Security Fix(es):
    
    * kernel: Missing check in fs/inode.c:inode_init_owner() does not clear
    SGID bit on non-directories for non-members (CVE-2018-13405)
    
    * kernel: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125)
    
    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.
    
    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/):
    
    1599161 - CVE-2018-13405 kernel: Missing check in fs/inode.c:inode_init_owner() does not clear SGID bit on non-directories for non-members
    1724389 - CVE-2019-1125 kernel: hw: Spectre SWAPGS gadget vulnerability
    
    6. Package List:
    
    Red Hat Enterprise Linux Server AUS (v. 6.6):
    
    Source:
    kernel-2.6.32-504.80.2.el6.src.rpm
    
    noarch:
    kernel-abi-whitelists-2.6.32-504.80.2.el6.noarch.rpm
    kernel-doc-2.6.32-504.80.2.el6.noarch.rpm
    kernel-firmware-2.6.32-504.80.2.el6.noarch.rpm
    
    x86_64:
    kernel-2.6.32-504.80.2.el6.x86_64.rpm
    kernel-debug-2.6.32-504.80.2.el6.x86_64.rpm
    kernel-debug-debuginfo-2.6.32-504.80.2.el6.x86_64.rpm
    kernel-debug-devel-2.6.32-504.80.2.el6.x86_64.rpm
    kernel-debuginfo-2.6.32-504.80.2.el6.x86_64.rpm
    kernel-debuginfo-common-x86_64-2.6.32-504.80.2.el6.x86_64.rpm
    kernel-devel-2.6.32-504.80.2.el6.x86_64.rpm
    kernel-headers-2.6.32-504.80.2.el6.x86_64.rpm
    perf-2.6.32-504.80.2.el6.x86_64.rpm
    perf-debuginfo-2.6.32-504.80.2.el6.x86_64.rpm
    python-perf-debuginfo-2.6.32-504.80.2.el6.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional AUS (v. 6.6):
    
    x86_64:
    kernel-debug-debuginfo-2.6.32-504.80.2.el6.x86_64.rpm
    kernel-debuginfo-2.6.32-504.80.2.el6.x86_64.rpm
    kernel-debuginfo-common-x86_64-2.6.32-504.80.2.el6.x86_64.rpm
    perf-debuginfo-2.6.32-504.80.2.el6.x86_64.rpm
    python-perf-2.6.32-504.80.2.el6.x86_64.rpm
    python-perf-debuginfo-2.6.32-504.80.2.el6.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-2018-13405
    https://access.redhat.com/security/cve/CVE-2019-1125
    https://access.redhat.com/security/updates/classification/#important
    https://access.redhat.com/articles/4329821
    
    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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