RedHat: RHSA-2020-0375:01 Important: kernel-rt security and bug fix update

    Date 04 Feb 2020
    861
    Posted By LinuxSecurity Advisories
    An update for kernel-rt 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: kernel-rt security and bug fix update
    Advisory ID:       RHSA-2020:0375-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:0375
    Issue date:        2020-02-04
    CVE Names:         CVE-2019-14816 CVE-2019-14895 CVE-2019-14898 
                       CVE-2019-14901 CVE-2019-17133 
    =====================================================================
    
    1. Summary:
    
    An update for kernel-rt 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 Realtime (v. 7) - noarch, x86_64
    Red Hat Enterprise Linux for Real Time for NFV (v. 7) - 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: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi
    driver (CVE-2019-14816)
    
    * kernel: heap-based buffer overflow in mwifiex_process_country_ie()
    function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
    (CVE-2019-14895)
    
    * kernel: heap overflow in marvell/mwifiex/tdls.c (CVE-2019-14901)
    
    * kernel: buffer overflow in cfg80211_mgd_wext_giwessid in
    net/wireless/wext-sme.c (CVE-2019-17133)
    
    * kernel: incomplete fix  for race condition between
    mmget_not_zero()/get_task_mm() and core dumping in CVE-2019-11599
    (CVE-2019-14898)
    
    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):
    
    * patchset for x86/atomic: Fix smp_mb__{before,after}_atomic() [kernel-rt]
    (BZ#1772522)
    
    * kernel-rt: update to the RHEL7.7.z batch#4 source tree (BZ#1780322)
    
    * kvm nx_huge_pages_recovery_ratio=0 is needed to meet KVM-RT low latency
    requirement (BZ#1781157)
    
    * kernel-rt:  hard lockup panic in during execution of CFS bandwidth period
    timer (BZ#1788057)
    
    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/):
    
    1744149 - CVE-2019-14816 kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi driver
    1771909 - CVE-2019-17133 kernel: buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c
    1773519 - CVE-2019-14901 kernel: heap overflow in marvell/mwifiex/tdls.c
    1774671 - CVE-2019-14898 kernel: incomplete fix  for race condition between mmget_not_zero()/get_task_mm() and core dumping in CVE-2019-11599
    1774870 - CVE-2019-14895 kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
    1781157 - kvm nx_huge_pages_recovery_ratio=0 is needed to meet KVM-RT low latency requirement [rhel-7.7.z]
    
    6. Package List:
    
    Red Hat Enterprise Linux for Real Time for NFV (v. 7):
    
    Source:
    kernel-rt-3.10.0-1062.12.1.rt56.1042.el7.src.rpm
    
    noarch:
    kernel-rt-doc-3.10.0-1062.12.1.rt56.1042.el7.noarch.rpm
    
    x86_64:
    kernel-rt-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-debug-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-debug-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-debug-devel-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-debug-kvm-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-debug-kvm-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-debuginfo-common-x86_64-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-devel-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-kvm-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-kvm-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-trace-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-trace-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-trace-devel-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-trace-kvm-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-trace-kvm-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Realtime (v. 7):
    
    Source:
    kernel-rt-3.10.0-1062.12.1.rt56.1042.el7.src.rpm
    
    noarch:
    kernel-rt-doc-3.10.0-1062.12.1.rt56.1042.el7.noarch.rpm
    
    x86_64:
    kernel-rt-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-debug-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-debug-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-debug-devel-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-debuginfo-common-x86_64-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-devel-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-trace-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-trace-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm
    kernel-rt-trace-devel-3.10.0-1062.12.1.rt56.1042.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-2019-14816
    https://access.redhat.com/security/cve/CVE-2019-14895
    https://access.redhat.com/security/cve/CVE-2019-14898
    https://access.redhat.com/security/cve/CVE-2019-14901
    https://access.redhat.com/security/cve/CVE-2019-17133
    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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