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    RedHat: RHSA-2020-2832:01 Important: kernel security and bug fix update

    Date
    202
    Posted By
    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 bug fix update
    Advisory ID:       RHSA-2020:2832-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2832
    Issue date:        2020-07-07
    CVE Names:         CVE-2020-12653 CVE-2020-12654 CVE-2020-12888 
    =====================================================================
    
    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: buffer overflow in mwifiex_cmd_append_vsie_tlv function in
    drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)
    
    * kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function
    in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)
    
    * Kernel: vfio: access to disabled MMIO space of some devices may lead to
    DoS scenario (CVE-2020-12888)
    
    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):
    
    * kernel: hw: provide reporting and microcode mitigation toggle for
    CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1840675)
    
    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/):
    
    1831868 - CVE-2020-12653 kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c
    1832530 - CVE-2020-12654 kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c
    1836244 - CVE-2020-12888 Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario
    
    6. Package List:
    
    Red Hat Enterprise Linux Server AUS (v. 7.3):
    
    Source:
    kernel-3.10.0-514.78.1.el7.src.rpm
    
    noarch:
    kernel-abi-whitelists-3.10.0-514.78.1.el7.noarch.rpm
    kernel-doc-3.10.0-514.78.1.el7.noarch.rpm
    
    x86_64:
    kernel-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debug-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debug-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debug-devel-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-devel-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-headers-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-libs-3.10.0-514.78.1.el7.x86_64.rpm
    perf-3.10.0-514.78.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    python-perf-3.10.0-514.78.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server E4S (v. 7.3):
    
    Source:
    kernel-3.10.0-514.78.1.el7.src.rpm
    
    noarch:
    kernel-abi-whitelists-3.10.0-514.78.1.el7.noarch.rpm
    kernel-doc-3.10.0-514.78.1.el7.noarch.rpm
    
    ppc64le:
    kernel-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-bootwrapper-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-debug-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-debug-debuginfo-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-debuginfo-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-devel-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-headers-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-tools-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-tools-debuginfo-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-tools-libs-3.10.0-514.78.1.el7.ppc64le.rpm
    perf-3.10.0-514.78.1.el7.ppc64le.rpm
    perf-debuginfo-3.10.0-514.78.1.el7.ppc64le.rpm
    python-perf-3.10.0-514.78.1.el7.ppc64le.rpm
    python-perf-debuginfo-3.10.0-514.78.1.el7.ppc64le.rpm
    
    x86_64:
    kernel-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debug-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debug-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debug-devel-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-devel-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-headers-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-libs-3.10.0-514.78.1.el7.x86_64.rpm
    perf-3.10.0-514.78.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    python-perf-3.10.0-514.78.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server TUS (v. 7.3):
    
    Source:
    kernel-3.10.0-514.78.1.el7.src.rpm
    
    noarch:
    kernel-abi-whitelists-3.10.0-514.78.1.el7.noarch.rpm
    kernel-doc-3.10.0-514.78.1.el7.noarch.rpm
    
    x86_64:
    kernel-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debug-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debug-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debug-devel-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-devel-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-headers-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-libs-3.10.0-514.78.1.el7.x86_64.rpm
    perf-3.10.0-514.78.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    python-perf-3.10.0-514.78.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional AUS (v. 7.3):
    
    x86_64:
    kernel-debug-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-libs-devel-3.10.0-514.78.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional E4S (v. 7.3):
    
    ppc64le:
    kernel-debug-debuginfo-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-debug-devel-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-debuginfo-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-tools-debuginfo-3.10.0-514.78.1.el7.ppc64le.rpm
    kernel-tools-libs-devel-3.10.0-514.78.1.el7.ppc64le.rpm
    perf-debuginfo-3.10.0-514.78.1.el7.ppc64le.rpm
    python-perf-debuginfo-3.10.0-514.78.1.el7.ppc64le.rpm
    
    x86_64:
    kernel-debug-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-libs-devel-3.10.0-514.78.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional TUS (v. 7.3):
    
    x86_64:
    kernel-debug-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    kernel-tools-libs-devel-3.10.0-514.78.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-514.78.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-514.78.1.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-2020-12653
    https://access.redhat.com/security/cve/CVE-2020-12654
    https://access.redhat.com/security/cve/CVE-2020-12888
    https://access.redhat.com/security/updates/classification/#important
    https://access.redhat.com/solutions/5142691
    
    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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