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    RedHat: RHSA-2021-0073:01 Moderate: kernel security and bug fix update

    Date 11 Jan 2021
    312
    Posted By LinuxSecurity Advisories
    An update for kernel is now available for Red Hat Enterprise Linux 8.2 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-2021:0073-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0073
    Issue date:        2021-01-12
    CVE Names:         CVE-2020-25641 
    =====================================================================
    
    1. Summary:
    
    An update for kernel is now available for Red Hat Enterprise Linux 8.2
    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 CodeReady Linux Builder EUS (v. 8.2) - aarch64, ppc64le, x86_64
    Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64
    
    3. Description:
    
    The kernel packages contain the Linux kernel, the core of any Linux
    operating system.
    
    Security Fix(es):
    
    * kernel: soft-lockups in iov_iter_copy_from_user_atomic() could result in
    DoS (CVE-2020-25641)
    
    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):
    
    * Please backport Jitter Entropy patches (BZ#1884682)
    
    * Sometimes hit "error: kvm run failed Bad address" when launching a guest
    on Power8 (BZ#1890883)
    
    * [Intel 8.3 BUG] Unable to insert 'i10nm_edac.ko' EDAC kernel module on
    JVL after CPU upgraded (BZ#1893330)
    
    * RHEL8.1 - Random memory corruption may occur due to incorrect tlbflush
    (BZ#1899209)
    
    * RHEL8.1 Alpha - ISST-LTE:PNV:Witherspoon-DD2.3:woo: KDUMP hang during
    shutdown, lpfc loses connection to disks (rootdisk:nvme) (BZ#1900101)
    
    * pmtu of 1280 for vxlan as bridge port won't work (BZ#1902083)
    
    * Allocating domain failed for ehci-pci device (BZ#1902801)
    
    * [Azure][RHEL8] IP forwarding issue in netvsc (BZ#1904326)
    
    * pmtu not working with tunnels as bridge ports and br_netfilter loaded
    (BZ#1907577)
    
    * [Regression] RHEL8.2 - [kernel 148.el8] cpu (sys) time regression in SAP
    HANA 2.0 benchmark benchInsertSubSelectPerformance (BZ#1908520)
    
    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/):
    
    1881424 - CVE-2020-25641 kernel: soft-lockups in iov_iter_copy_from_user_atomic() could result in DoS
    
    6. Package List:
    
    Red Hat Enterprise Linux BaseOS EUS (v. 8.2):
    
    Source:
    kernel-4.18.0-193.40.1.el8_2.src.rpm
    
    aarch64:
    bpftool-4.18.0-193.40.1.el8_2.aarch64.rpm
    bpftool-debuginfo-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-core-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-cross-headers-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-debug-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-debug-core-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-debug-debuginfo-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-debug-devel-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-debug-modules-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-debug-modules-extra-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-debuginfo-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-debuginfo-common-aarch64-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-devel-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-headers-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-modules-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-modules-extra-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-tools-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-tools-debuginfo-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-tools-libs-4.18.0-193.40.1.el8_2.aarch64.rpm
    perf-4.18.0-193.40.1.el8_2.aarch64.rpm
    perf-debuginfo-4.18.0-193.40.1.el8_2.aarch64.rpm
    python3-perf-4.18.0-193.40.1.el8_2.aarch64.rpm
    python3-perf-debuginfo-4.18.0-193.40.1.el8_2.aarch64.rpm
    
    noarch:
    kernel-abi-whitelists-4.18.0-193.40.1.el8_2.noarch.rpm
    kernel-doc-4.18.0-193.40.1.el8_2.noarch.rpm
    
    ppc64le:
    bpftool-4.18.0-193.40.1.el8_2.ppc64le.rpm
    bpftool-debuginfo-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-core-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-cross-headers-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-debug-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-debug-core-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-debug-debuginfo-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-debug-devel-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-debug-modules-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-debug-modules-extra-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-debuginfo-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-devel-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-headers-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-modules-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-modules-extra-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-tools-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-tools-debuginfo-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-tools-libs-4.18.0-193.40.1.el8_2.ppc64le.rpm
    perf-4.18.0-193.40.1.el8_2.ppc64le.rpm
    perf-debuginfo-4.18.0-193.40.1.el8_2.ppc64le.rpm
    python3-perf-4.18.0-193.40.1.el8_2.ppc64le.rpm
    python3-perf-debuginfo-4.18.0-193.40.1.el8_2.ppc64le.rpm
    
    s390x:
    bpftool-4.18.0-193.40.1.el8_2.s390x.rpm
    bpftool-debuginfo-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-core-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-cross-headers-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-debug-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-debug-core-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-debug-debuginfo-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-debug-devel-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-debug-modules-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-debug-modules-extra-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-debuginfo-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-debuginfo-common-s390x-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-devel-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-headers-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-modules-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-modules-extra-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-tools-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-tools-debuginfo-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-zfcpdump-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-zfcpdump-core-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-zfcpdump-debuginfo-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-zfcpdump-devel-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-zfcpdump-modules-4.18.0-193.40.1.el8_2.s390x.rpm
    kernel-zfcpdump-modules-extra-4.18.0-193.40.1.el8_2.s390x.rpm
    perf-4.18.0-193.40.1.el8_2.s390x.rpm
    perf-debuginfo-4.18.0-193.40.1.el8_2.s390x.rpm
    python3-perf-4.18.0-193.40.1.el8_2.s390x.rpm
    python3-perf-debuginfo-4.18.0-193.40.1.el8_2.s390x.rpm
    
    x86_64:
    bpftool-4.18.0-193.40.1.el8_2.x86_64.rpm
    bpftool-debuginfo-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-core-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-cross-headers-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-debug-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-debug-core-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-debug-debuginfo-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-debug-devel-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-debug-modules-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-debug-modules-extra-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-debuginfo-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-debuginfo-common-x86_64-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-devel-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-headers-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-modules-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-modules-extra-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-tools-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-tools-debuginfo-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-tools-libs-4.18.0-193.40.1.el8_2.x86_64.rpm
    perf-4.18.0-193.40.1.el8_2.x86_64.rpm
    perf-debuginfo-4.18.0-193.40.1.el8_2.x86_64.rpm
    python3-perf-4.18.0-193.40.1.el8_2.x86_64.rpm
    python3-perf-debuginfo-4.18.0-193.40.1.el8_2.x86_64.rpm
    
    Red Hat CodeReady Linux Builder EUS (v. 8.2):
    
    aarch64:
    bpftool-debuginfo-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-debug-debuginfo-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-debuginfo-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-debuginfo-common-aarch64-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-tools-debuginfo-4.18.0-193.40.1.el8_2.aarch64.rpm
    kernel-tools-libs-devel-4.18.0-193.40.1.el8_2.aarch64.rpm
    perf-debuginfo-4.18.0-193.40.1.el8_2.aarch64.rpm
    python3-perf-debuginfo-4.18.0-193.40.1.el8_2.aarch64.rpm
    
    ppc64le:
    bpftool-debuginfo-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-debug-debuginfo-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-debuginfo-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-tools-debuginfo-4.18.0-193.40.1.el8_2.ppc64le.rpm
    kernel-tools-libs-devel-4.18.0-193.40.1.el8_2.ppc64le.rpm
    perf-debuginfo-4.18.0-193.40.1.el8_2.ppc64le.rpm
    python3-perf-debuginfo-4.18.0-193.40.1.el8_2.ppc64le.rpm
    
    x86_64:
    bpftool-debuginfo-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-debug-debuginfo-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-debuginfo-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-debuginfo-common-x86_64-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-tools-debuginfo-4.18.0-193.40.1.el8_2.x86_64.rpm
    kernel-tools-libs-devel-4.18.0-193.40.1.el8_2.x86_64.rpm
    perf-debuginfo-4.18.0-193.40.1.el8_2.x86_64.rpm
    python3-perf-debuginfo-4.18.0-193.40.1.el8_2.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-2020-25641
    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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