Linux Security
    Linux Security
    Linux Security

    RedHat: RHSA-2020-3297:01 Important: kpatch-patch security update

    Date
    227
    Posted By
    An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
    -----BEGIN PGP SIGNED MESSAGE-----
    Hash: SHA256
    
    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: kpatch-patch security update
    Advisory ID:       RHSA-2020:3297-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:3297
    Issue date:        2020-08-04
    CVE Names:         CVE-2020-10766 CVE-2020-10767 CVE-2020-10768 
    =====================================================================
    
    1. Summary:
    
    An update for kpatch-patch is now available for Red Hat Enterprise Linux
    8.1 Extended Update Support.
    
    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 BaseOS EUS (v. 8.1) - x86_64
    
    3. Description:
    
    This is a kernel live patch module which is automatically loaded by the RPM
    post-install script to modify the code of a running kernel.
    
    Security Fix(es):
    
    * kernel: Rogue cross-process SSBD shutdown. Linux scheduler logical bug
    allows an attacker to turn off the SSBD protection. (CVE-2020-10766)
    
    * kernel: Indirect Branch Prediction Barrier is force-disabled when STIBP
    is unavailable or enhanced IBRS is available. (CVE-2020-10767)
    
    * kernel: Indirect branch speculation can be enabled after it was
    force-disabled by the PR_SPEC_FORCE_DISABLE prctl command. (CVE-2020-10768)
    
    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.
    
    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
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1845840 - CVE-2020-10766 kernel: Rogue cross-process SSBD shutdown. Linux scheduler logical bug allows an attacker to turn off the SSBD protection.
    1845867 - CVE-2020-10767 kernel: Indirect Branch Prediction Barrier is force-disabled when STIBP is unavailable or enhanced IBRS is available.
    1845868 - CVE-2020-10768 kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command.
    
    6. Package List:
    
    Red Hat Enterprise Linux BaseOS EUS (v. 8.1):
    
    Source:
    kpatch-patch-4_18_0-147-1-16.el8.src.rpm
    kpatch-patch-4_18_0-147_0_2-1-12.el8.src.rpm
    kpatch-patch-4_18_0-147_0_3-1-12.el8.src.rpm
    kpatch-patch-4_18_0-147_13_2-1-3.el8_1.src.rpm
    kpatch-patch-4_18_0-147_20_1-1-2.el8_1.src.rpm
    kpatch-patch-4_18_0-147_3_1-1-12.el8_1.src.rpm
    kpatch-patch-4_18_0-147_5_1-1-7.el8_1.src.rpm
    kpatch-patch-4_18_0-147_8_1-1-5.el8_1.src.rpm
    
    x86_64:
    kpatch-patch-4_18_0-147-1-16.el8.x86_64.rpm
    kpatch-patch-4_18_0-147-debuginfo-1-16.el8.x86_64.rpm
    kpatch-patch-4_18_0-147-debugsource-1-16.el8.x86_64.rpm
    kpatch-patch-4_18_0-147_0_2-1-12.el8.x86_64.rpm
    kpatch-patch-4_18_0-147_0_2-debuginfo-1-12.el8.x86_64.rpm
    kpatch-patch-4_18_0-147_0_2-debugsource-1-12.el8.x86_64.rpm
    kpatch-patch-4_18_0-147_0_3-1-12.el8.x86_64.rpm
    kpatch-patch-4_18_0-147_13_2-1-3.el8_1.x86_64.rpm
    kpatch-patch-4_18_0-147_13_2-debuginfo-1-3.el8_1.x86_64.rpm
    kpatch-patch-4_18_0-147_13_2-debugsource-1-3.el8_1.x86_64.rpm
    kpatch-patch-4_18_0-147_20_1-1-2.el8_1.x86_64.rpm
    kpatch-patch-4_18_0-147_20_1-debuginfo-1-2.el8_1.x86_64.rpm
    kpatch-patch-4_18_0-147_20_1-debugsource-1-2.el8_1.x86_64.rpm
    kpatch-patch-4_18_0-147_3_1-1-12.el8_1.x86_64.rpm
    kpatch-patch-4_18_0-147_5_1-1-7.el8_1.x86_64.rpm
    kpatch-patch-4_18_0-147_8_1-1-5.el8_1.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-2020-10766
    https://access.redhat.com/security/cve/CVE-2020-10767
    https://access.redhat.com/security/cve/CVE-2020-10768
    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.
    -----BEGIN PGP SIGNATURE-----
    Version: GnuPG v1
    
    iQIVAwUBXykRHtzjgjWX9erEAQiVaBAAnag+v/MOQvTK1PFcOUk6Dw2+aPuq2JTT
    TyrLP/D0a0D9DlOh/YBHtLXf6J309gRBGKnVuFWIDJDRr+wlqDkE91VvRm0xu85Q
    TJh1lf2I/DVxIZZTS4hARbB6hVvN8i+k/NhfeGTphVnEQ70c0z8SMR4aNUu2nbgk
    bIu/Vn0DjqfUQ3K5kKdYWmrD6osG1heTfZpo+nXGy2Y/cxk/LJxymXiF+/FDVpPr
    3G9krOSyiwN9cS7RHSdqV/BfKlZypqBHmo21m3jufgRoyjf7anI13wdGfARP3pq1
    mD68P1UztY/eQjZMS8RhjicF3vRXlQ8NZXKs+rbj9NEGRQbj74F1vcyoQwWgq9NX
    xbpd6zWBgZ3HsXnyola/Of9LJhxHzGI7s7WQcVCaVWjHMUC/xsfxVrutqXn3xAmN
    HFoRNnZrrjn/iA2/KrA+rNkBvyA+fi2FvZLk0m75MwrpjD7IF+auj1hhB5mnwh5B
    Pmbe+0gZUNAHkW4bYXR/CXA6S+aoCfLIuYdq11fJzTmtcaZIseIo24iVaA/bVRaD
    1bd+oa7LaLabz0PJrGMjWLF/RRxdagtIwObc9rw2lvt81isxB8q+mi/o78fJyn3m
    DPslv2uqLNYPEUBs7TbxPSIVsBEVVaoI+Ohw/DXSZflTGVOuqRFMcgNP7m+wwF95
    rQOVAWajASI=
    =s8A3
    -----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
    

    Advisories

    LinuxSecurity Poll

    How are you contributing to Open Source?

    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 4 answer(s).
    /main-polls/37-how-are-you-contributing-to-open-source?task=poll.vote&format=json
    37
    radio
    [{"id":"127","title":"I'm involved with the development of an open-source project(s).","votes":"2","type":"x","order":"1","pct":100,"resources":[]},{"id":"128","title":"I've reported vulnerabilities I've discovered in open-source code.","votes":"0","type":"x","order":"2","pct":0,"resources":[]},{"id":"129","title":"I've provided developers with feedback on their projects.","votes":"0","type":"x","order":"3","pct":0,"resources":[]},{"id":"130","title":"I've helped another community member get started contributing to Open Source.","votes":"0","type":"x","order":"4","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.