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    RedHat: RHSA-2020-3545:01 Moderate: kernel-alt security and bug fix update

    Date 25 Aug 2020
    371
    Posted By LinuxSecurity Advisories
    An update for kernel-alt is now available for Red Hat Enterprise Linux 7. 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
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Moderate: kernel-alt security and bug fix update
    Advisory ID:       RHSA-2020:3545-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:3545
    Issue date:        2020-08-25
    CVE Names:         CVE-2019-19046 CVE-2020-10769 CVE-2020-12655 
    =====================================================================
    
    1. Summary:
    
    An update for kernel-alt is now available for Red Hat Enterprise Linux 7.
    
    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 for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le, s390x
    Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le
    
    3. Description:
    
    The kernel-alt packages provide the Linux kernel version 4.x.
    
    Security Fix(es):
    
    * kernel: Denial Of Service in the __ipmi_bmc_register() function in
    drivers/char/ipmi/ipmi_msghandler.c (CVE-2019-19046)
    
    * kernel: Buffer over-read in crypto_authenc_extractkeys() when a payload
    longer than 4 bytes is not aligned. (CVE-2020-10769)
    
    * kernel: sync of excessive duration via an XFS v5 image with crafted
    metadata (CVE-2020-12655)
    
    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):
    
    * list corruption in iscsi_queuecommand (BZ#1839622)
    
    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/):
    
    1708775 - CVE-2020-10769 kernel: Buffer over-read in crypto_authenc_extractkeys() when a payload longer than 4 bytes is not aligned.
    1774988 - CVE-2019-19046 kernel: Denial Of Service in the __ipmi_bmc_register() function in drivers/char/ipmi/ipmi_msghandler.c
    1832543 - CVE-2020-12655 kernel: sync of excessive duration via an XFS v5 image with crafted metadata
    
    6. Package List:
    
    Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
    
    Source:
    kernel-alt-4.14.0-115.29.1.el7a.src.rpm
    
    aarch64:
    kernel-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-debug-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-debug-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-debug-devel-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-debuginfo-common-aarch64-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-devel-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-headers-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-tools-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-tools-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-tools-libs-4.14.0-115.29.1.el7a.aarch64.rpm
    perf-4.14.0-115.29.1.el7a.aarch64.rpm
    perf-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
    python-perf-4.14.0-115.29.1.el7a.aarch64.rpm
    python-perf-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
    
    noarch:
    kernel-abi-whitelists-4.14.0-115.29.1.el7a.noarch.rpm
    kernel-doc-4.14.0-115.29.1.el7a.noarch.rpm
    
    ppc64le:
    kernel-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-bootwrapper-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-debug-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-debug-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-devel-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-headers-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-tools-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-tools-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-tools-libs-4.14.0-115.29.1.el7a.ppc64le.rpm
    perf-4.14.0-115.29.1.el7a.ppc64le.rpm
    perf-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
    python-perf-4.14.0-115.29.1.el7a.ppc64le.rpm
    python-perf-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
    
    s390x:
    kernel-4.14.0-115.29.1.el7a.s390x.rpm
    kernel-debug-4.14.0-115.29.1.el7a.s390x.rpm
    kernel-debug-debuginfo-4.14.0-115.29.1.el7a.s390x.rpm
    kernel-debug-devel-4.14.0-115.29.1.el7a.s390x.rpm
    kernel-debuginfo-4.14.0-115.29.1.el7a.s390x.rpm
    kernel-debuginfo-common-s390x-4.14.0-115.29.1.el7a.s390x.rpm
    kernel-devel-4.14.0-115.29.1.el7a.s390x.rpm
    kernel-headers-4.14.0-115.29.1.el7a.s390x.rpm
    kernel-kdump-4.14.0-115.29.1.el7a.s390x.rpm
    kernel-kdump-debuginfo-4.14.0-115.29.1.el7a.s390x.rpm
    kernel-kdump-devel-4.14.0-115.29.1.el7a.s390x.rpm
    perf-4.14.0-115.29.1.el7a.s390x.rpm
    perf-debuginfo-4.14.0-115.29.1.el7a.s390x.rpm
    python-perf-4.14.0-115.29.1.el7a.s390x.rpm
    python-perf-debuginfo-4.14.0-115.29.1.el7a.s390x.rpm
    
    Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
    
    aarch64:
    kernel-debug-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-debuginfo-common-aarch64-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-tools-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
    kernel-tools-libs-devel-4.14.0-115.29.1.el7a.aarch64.rpm
    perf-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
    python-perf-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
    
    noarch:
    kernel-doc-4.14.0-115.29.1.el7a.noarch.rpm
    
    ppc64le:
    kernel-debug-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-debug-devel-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-tools-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
    kernel-tools-libs-devel-4.14.0-115.29.1.el7a.ppc64le.rpm
    perf-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
    python-perf-debuginfo-4.14.0-115.29.1.el7a.ppc64le.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-2019-19046
    https://access.redhat.com/security/cve/CVE-2020-10769
    https://access.redhat.com/security/cve/CVE-2020-12655
    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 2020 Red Hat, Inc.
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