Linux Security
    Linux Security
    Linux Security

    RedHat: RHSA-2020-3218:01 Moderate: kernel security and bug fix update

    Date
    197
    Posted By
    An update for kernel is now available for Red Hat Enterprise Linux 8. 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
    -----BEGIN PGP SIGNED MESSAGE-----
    Hash: SHA256
    
    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Moderate: kernel security and bug fix update
    Advisory ID:       RHSA-2020:3218-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:3218
    Issue date:        2020-07-29
    CVE Names:         CVE-2019-20908 CVE-2020-15780 
    =====================================================================
    
    1. Summary:
    
    An update for kernel is now available for Red Hat Enterprise Linux 8.
    
    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 (v. 8) - aarch64, ppc64le, x86_64
    Red Hat Enterprise Linux BaseOS (v. 8) - 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: lockdown: bypass through ACPI write via efivar_ssdt
    (CVE-2019-20908)
    
    * kernel: lockdown: bypass through ACPI write via acpi_configfs
    (CVE-2020-15780)
    
    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: provide infrastructure to support dual-signing of the kernel
    (foundation to help address CVE-2020-10713) (BZ#1837433)
    
    * [Regression] RHEL8.2 RC  - [Boston/DD2.1]
    [RHEL8.2/kernel-4.18.0-193.el8.ppc64le] Host kernel crashes while running
    storage test bucket on KVM guest (iscsi) (BZ#1852048)
    
    * RHEL8.2 - s390/mm: fix panic in gup_fast on large pud (BZ#1853336)
    
    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/):
    
    1852942 - CVE-2019-20908 kernel: lockdown: bypass through ACPI write via efivar_ssdt
    1852962 - CVE-2020-15780 kernel: lockdown: bypass through ACPI write via acpi_configfs
    
    6. Package List:
    
    Red Hat Enterprise Linux BaseOS (v. 8):
    
    Source:
    kernel-4.18.0-193.14.3.el8_2.src.rpm
    
    aarch64:
    bpftool-4.18.0-193.14.3.el8_2.aarch64.rpm
    bpftool-debuginfo-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-core-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-cross-headers-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-debug-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-debug-core-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-debug-debuginfo-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-debug-devel-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-debug-modules-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-debug-modules-extra-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-debuginfo-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-debuginfo-common-aarch64-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-devel-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-headers-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-modules-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-modules-extra-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-tools-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-tools-debuginfo-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-tools-libs-4.18.0-193.14.3.el8_2.aarch64.rpm
    perf-4.18.0-193.14.3.el8_2.aarch64.rpm
    perf-debuginfo-4.18.0-193.14.3.el8_2.aarch64.rpm
    python3-perf-4.18.0-193.14.3.el8_2.aarch64.rpm
    python3-perf-debuginfo-4.18.0-193.14.3.el8_2.aarch64.rpm
    
    noarch:
    kernel-abi-whitelists-4.18.0-193.14.3.el8_2.noarch.rpm
    kernel-doc-4.18.0-193.14.3.el8_2.noarch.rpm
    
    ppc64le:
    bpftool-4.18.0-193.14.3.el8_2.ppc64le.rpm
    bpftool-debuginfo-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-core-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-cross-headers-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-debug-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-debug-core-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-debug-debuginfo-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-debug-devel-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-debug-modules-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-debug-modules-extra-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-debuginfo-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-devel-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-headers-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-modules-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-modules-extra-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-tools-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-tools-debuginfo-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-tools-libs-4.18.0-193.14.3.el8_2.ppc64le.rpm
    perf-4.18.0-193.14.3.el8_2.ppc64le.rpm
    perf-debuginfo-4.18.0-193.14.3.el8_2.ppc64le.rpm
    python3-perf-4.18.0-193.14.3.el8_2.ppc64le.rpm
    python3-perf-debuginfo-4.18.0-193.14.3.el8_2.ppc64le.rpm
    
    s390x:
    bpftool-4.18.0-193.14.3.el8_2.s390x.rpm
    bpftool-debuginfo-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-core-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-cross-headers-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-debug-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-debug-core-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-debug-debuginfo-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-debug-devel-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-debug-modules-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-debug-modules-extra-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-debuginfo-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-debuginfo-common-s390x-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-devel-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-headers-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-modules-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-modules-extra-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-tools-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-tools-debuginfo-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-zfcpdump-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-zfcpdump-core-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-zfcpdump-debuginfo-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-zfcpdump-devel-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-zfcpdump-modules-4.18.0-193.14.3.el8_2.s390x.rpm
    kernel-zfcpdump-modules-extra-4.18.0-193.14.3.el8_2.s390x.rpm
    perf-4.18.0-193.14.3.el8_2.s390x.rpm
    perf-debuginfo-4.18.0-193.14.3.el8_2.s390x.rpm
    python3-perf-4.18.0-193.14.3.el8_2.s390x.rpm
    python3-perf-debuginfo-4.18.0-193.14.3.el8_2.s390x.rpm
    
    x86_64:
    bpftool-4.18.0-193.14.3.el8_2.x86_64.rpm
    bpftool-debuginfo-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-core-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-cross-headers-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-debug-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-debug-core-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-debug-debuginfo-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-debug-devel-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-debug-modules-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-debug-modules-extra-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-debuginfo-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-debuginfo-common-x86_64-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-devel-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-headers-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-modules-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-modules-extra-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-tools-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-tools-debuginfo-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-tools-libs-4.18.0-193.14.3.el8_2.x86_64.rpm
    perf-4.18.0-193.14.3.el8_2.x86_64.rpm
    perf-debuginfo-4.18.0-193.14.3.el8_2.x86_64.rpm
    python3-perf-4.18.0-193.14.3.el8_2.x86_64.rpm
    python3-perf-debuginfo-4.18.0-193.14.3.el8_2.x86_64.rpm
    
    Red Hat CodeReady Linux Builder (v. 8):
    
    aarch64:
    bpftool-debuginfo-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-debug-debuginfo-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-debuginfo-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-debuginfo-common-aarch64-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-tools-debuginfo-4.18.0-193.14.3.el8_2.aarch64.rpm
    kernel-tools-libs-devel-4.18.0-193.14.3.el8_2.aarch64.rpm
    perf-debuginfo-4.18.0-193.14.3.el8_2.aarch64.rpm
    python3-perf-debuginfo-4.18.0-193.14.3.el8_2.aarch64.rpm
    
    ppc64le:
    bpftool-debuginfo-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-debug-debuginfo-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-debuginfo-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-debuginfo-common-ppc64le-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-tools-debuginfo-4.18.0-193.14.3.el8_2.ppc64le.rpm
    kernel-tools-libs-devel-4.18.0-193.14.3.el8_2.ppc64le.rpm
    perf-debuginfo-4.18.0-193.14.3.el8_2.ppc64le.rpm
    python3-perf-debuginfo-4.18.0-193.14.3.el8_2.ppc64le.rpm
    
    x86_64:
    bpftool-debuginfo-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-debug-debuginfo-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-debuginfo-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-debuginfo-common-x86_64-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-tools-debuginfo-4.18.0-193.14.3.el8_2.x86_64.rpm
    kernel-tools-libs-devel-4.18.0-193.14.3.el8_2.x86_64.rpm
    perf-debuginfo-4.18.0-193.14.3.el8_2.x86_64.rpm
    python3-perf-debuginfo-4.18.0-193.14.3.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-2019-20908
    https://access.redhat.com/security/cve/CVE-2020-15780
    https://access.redhat.com/security/updates/classification/#moderate
    https://access.redhat.com/security/vulnerabilities/grub2bootloader
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2020 Red Hat, Inc.
    -----BEGIN PGP SIGNATURE-----
    Version: GnuPG v1
    
    iQIVAwUBXyHAdtzjgjWX9erEAQiLFg/9ERoRhI4o9cXMCWvDrR+4KXvUQING5cAm
    PYehW3xDgfZP74kQdJU0atgD8CM3DLLFCDCH4+/5UwZ79TQv0jIWnTRL37ETvB0f
    Ak8UBgeXLNGCsHCe7auEJVd4HLelHVEd5XIS/BtnLAtH9O/RJrprzTIU00S0w34U
    GsPeeVnWfLjbo6LVSKKjL4a9p9rx91uR/Zq3BKDc9qzWhPDVcB+jbCZ0m1jXkzcV
    N+eq5ZF4srKvuMuQbPJSHjZNYERFDPGc+o80ePTZVBsn0T1NvZRyHtiPZfc0CbXn
    7uqMk5+lQP4RyHfboo4szNa6PMm+hRTkO5qMWnvEb6AUwutrBM+dZS8ivPPbHffE
    S11G7uiFsqDIPMfLQQh4ndODR0f5ul9A5xfZQWU3gMc1fkP5sc7ro8gJ+8bWGwGt
    X1vDozMBFshK3uS5UPc7fsHoXB4aDdnLWH5fHB3hM1pnXpAI29mLDuHGWW2LLRkC
    7UPLCmCqs6ypi/ihsQcsFo6Ww8GUGJU3N2/k23WB7BF2edenaP0BXXfCw6sWGwcS
    3QiS2BKIeoAFcN5/hqdfY98hKl3Vqno1JCNGl4PpSEETjGadcneYN5mhYs16nNTf
    nUbqZxVNoBxPlW3Hzh0UIh5p8cVkxJQSuVPbNP90AFevYNnOCFDhVeDu/HWSml8L
    kh0mENaOSpg=
    =JNO5
    -----END PGP SIGNATURE-----
    
    --
    RHSA-announce mailing list
    This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.redhat.com/mailman/listinfo/rhsa-announce
    

    LinuxSecurity Poll

    Which aspect of server security are you most interested in learning more about?

    No answer selected. Please try again.
    Please select either existing option or enter your own, however not both.
    Please select minimum 0 answer(s) and maximum 3 answer(s).
    /main-polls/38-which-aspect-of-server-security-are-you-most-interested-in-learning-more-about?task=poll.vote&format=json
    38
    radio
    [{"id":"131","title":"Preventing information leakage","votes":"1","type":"x","order":"1","pct":100,"resources":[]},{"id":"132","title":"Firewall considerations","votes":"0","type":"x","order":"2","pct":0,"resources":[]},{"id":"133","title":"Permissions ","votes":"0","type":"x","order":"3","pct":0,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350


    VIEW MORE POLLS

    bottom 200

    Please enable / Bitte aktiviere JavaScript!
    Veuillez activer / Por favor activa el Javascript![ ? ]

    We use cookies to provide and improve our services. By using our site, you consent to our Cookie Policy.