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    RedHat: RHSA-2021-0019:01 Moderate: kernel security and bug fix update

    Date 05 Jan 2021
    673
    Posted By LinuxSecurity Advisories
    An update for kernel is now available for Red Hat Enterprise Linux 7.7 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Moderate: kernel security and bug fix update
    Advisory ID:       RHSA-2021:0019-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0019
    Issue date:        2021-01-05
    CVE Names:         CVE-2018-20836 CVE-2019-15917 CVE-2019-20636 
    =====================================================================
    
    1. Summary:
    
    An update for kernel is now available for Red Hat Enterprise Linux 7.7
    Extended Update Support.
    
    Red Hat Product Security has rated this update as having a security impact
    of Moderate. 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 ComputeNode EUS (v. 7.7) - noarch, x86_64
    Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64
    Red Hat Enterprise Linux Server EUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64
    Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, ppc64le, x86_64
    
    3. Description:
    
    The kernel packages contain the Linux kernel, the core of any Linux
    operating system.
    
    Security Fix(es):
    
    * kernel: race condition in smp_task_timedout() and smp_task_done() in
    drivers/scsi/libsas/sas_expander.c leads to use-after-free (CVE-2018-20836)
    
    * kernel: use-after-free in drivers/bluetooth/hci_ldisc.c (CVE-2019-15917)
    
    * kernel: out-of-bounds write via crafted keycode table (CVE-2019-20636)
    
    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):
    
    * RHEL7 - [ Brazos ] "Core(s) per socket" and "Socket" values are
    interchanged in lscpu output. (kernel) (BZ#1879096)
    
    * [DELL EMC 7.9 BUG]  System crash when stressed using burnin stress tool
    (BZ#1893994)
    
    * [ Marvell 7.9] update qla2xxx driver with critical bug fixes (BZ#1895440)
    
    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/):
    
    1707796 - CVE-2018-20836 kernel: race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c leads to use-after-free
    1760100 - CVE-2019-15917 kernel: use-after-free in drivers/bluetooth/hci_ldisc.c
    1824059 - CVE-2019-20636 kernel: out-of-bounds write via crafted keycode table
    
    6. Package List:
    
    Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):
    
    Source:
    kernel-3.10.0-1062.43.1.el7.src.rpm
    
    noarch:
    kernel-abi-whitelists-3.10.0-1062.43.1.el7.noarch.rpm
    kernel-doc-3.10.0-1062.43.1.el7.noarch.rpm
    
    x86_64:
    bpftool-3.10.0-1062.43.1.el7.x86_64.rpm
    bpftool-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debug-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debug-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debug-devel-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-devel-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-headers-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-tools-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-tools-libs-3.10.0-1062.43.1.el7.x86_64.rpm
    perf-3.10.0-1062.43.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    python-perf-3.10.0-1062.43.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):
    
    x86_64:
    bpftool-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debug-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-tools-libs-devel-3.10.0-1062.43.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server EUS (v. 7.7):
    
    Source:
    kernel-3.10.0-1062.43.1.el7.src.rpm
    
    noarch:
    kernel-abi-whitelists-3.10.0-1062.43.1.el7.noarch.rpm
    kernel-doc-3.10.0-1062.43.1.el7.noarch.rpm
    
    ppc64:
    bpftool-3.10.0-1062.43.1.el7.ppc64.rpm
    bpftool-debuginfo-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-bootwrapper-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-debug-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-debug-debuginfo-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-debug-devel-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-debuginfo-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-debuginfo-common-ppc64-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-devel-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-headers-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-tools-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-tools-debuginfo-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-tools-libs-3.10.0-1062.43.1.el7.ppc64.rpm
    perf-3.10.0-1062.43.1.el7.ppc64.rpm
    perf-debuginfo-3.10.0-1062.43.1.el7.ppc64.rpm
    python-perf-3.10.0-1062.43.1.el7.ppc64.rpm
    python-perf-debuginfo-3.10.0-1062.43.1.el7.ppc64.rpm
    
    ppc64le:
    bpftool-3.10.0-1062.43.1.el7.ppc64le.rpm
    bpftool-debuginfo-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-bootwrapper-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-debug-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-debug-debuginfo-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-debuginfo-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-devel-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-headers-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-tools-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-tools-debuginfo-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-tools-libs-3.10.0-1062.43.1.el7.ppc64le.rpm
    perf-3.10.0-1062.43.1.el7.ppc64le.rpm
    perf-debuginfo-3.10.0-1062.43.1.el7.ppc64le.rpm
    python-perf-3.10.0-1062.43.1.el7.ppc64le.rpm
    python-perf-debuginfo-3.10.0-1062.43.1.el7.ppc64le.rpm
    
    s390x:
    bpftool-3.10.0-1062.43.1.el7.s390x.rpm
    bpftool-debuginfo-3.10.0-1062.43.1.el7.s390x.rpm
    kernel-3.10.0-1062.43.1.el7.s390x.rpm
    kernel-debug-3.10.0-1062.43.1.el7.s390x.rpm
    kernel-debug-debuginfo-3.10.0-1062.43.1.el7.s390x.rpm
    kernel-debug-devel-3.10.0-1062.43.1.el7.s390x.rpm
    kernel-debuginfo-3.10.0-1062.43.1.el7.s390x.rpm
    kernel-debuginfo-common-s390x-3.10.0-1062.43.1.el7.s390x.rpm
    kernel-devel-3.10.0-1062.43.1.el7.s390x.rpm
    kernel-headers-3.10.0-1062.43.1.el7.s390x.rpm
    kernel-kdump-3.10.0-1062.43.1.el7.s390x.rpm
    kernel-kdump-debuginfo-3.10.0-1062.43.1.el7.s390x.rpm
    kernel-kdump-devel-3.10.0-1062.43.1.el7.s390x.rpm
    perf-3.10.0-1062.43.1.el7.s390x.rpm
    perf-debuginfo-3.10.0-1062.43.1.el7.s390x.rpm
    python-perf-3.10.0-1062.43.1.el7.s390x.rpm
    python-perf-debuginfo-3.10.0-1062.43.1.el7.s390x.rpm
    
    x86_64:
    bpftool-3.10.0-1062.43.1.el7.x86_64.rpm
    bpftool-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debug-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debug-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debug-devel-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-devel-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-headers-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-tools-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-tools-libs-3.10.0-1062.43.1.el7.x86_64.rpm
    perf-3.10.0-1062.43.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    python-perf-3.10.0-1062.43.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional EUS (v. 7.7):
    
    ppc64:
    bpftool-debuginfo-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-debug-debuginfo-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-debuginfo-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-debuginfo-common-ppc64-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-tools-debuginfo-3.10.0-1062.43.1.el7.ppc64.rpm
    kernel-tools-libs-devel-3.10.0-1062.43.1.el7.ppc64.rpm
    perf-debuginfo-3.10.0-1062.43.1.el7.ppc64.rpm
    python-perf-debuginfo-3.10.0-1062.43.1.el7.ppc64.rpm
    
    ppc64le:
    bpftool-debuginfo-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-debug-debuginfo-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-debug-devel-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-debuginfo-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-tools-debuginfo-3.10.0-1062.43.1.el7.ppc64le.rpm
    kernel-tools-libs-devel-3.10.0-1062.43.1.el7.ppc64le.rpm
    perf-debuginfo-3.10.0-1062.43.1.el7.ppc64le.rpm
    python-perf-debuginfo-3.10.0-1062.43.1.el7.ppc64le.rpm
    
    x86_64:
    bpftool-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debug-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-debuginfo-common-x86_64-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-tools-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    kernel-tools-libs-devel-3.10.0-1062.43.1.el7.x86_64.rpm
    perf-debuginfo-3.10.0-1062.43.1.el7.x86_64.rpm
    python-perf-debuginfo-3.10.0-1062.43.1.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-2018-20836
    https://access.redhat.com/security/cve/CVE-2019-15917
    https://access.redhat.com/security/cve/CVE-2019-20636
    https://access.redhat.com/security/updates/classification/#moderate
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2021 Red Hat, Inc.
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