Gentoo: GLSA-202003-56: Xen: Multiple vulnerabilities

    Date25 Mar 2020
    256
    Posted ByLinuxSecurity Advisories
    Multiple vulnerabilities have been found in Xen, the worst of which could allow for privilege escalation.
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    Gentoo Linux Security Advisory                           GLSA 202003-56
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                                               https://security.gentoo.org/
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     Severity: High
        Title: Xen: Multiple vulnerabilities
         Date: March 25, 2020
         Bugs: #686024, #699048, #699996, #702644
           ID: 202003-56
    
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    Synopsis
    ========
    
    Multiple vulnerabilities have been found in Xen, the worst of which
    could allow for privilege escalation.
    
    Background
    ==========
    
    Xen is a bare-metal hypervisor.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  app-emulation/xen          < 4.12.0-r1              >= 4.12.0-r1
      2  app-emulation/xen-tools    < 4.12.0-r1              >= 4.12.0-r1
        -------------------------------------------------------------------
         2 affected packages
    
    Description
    ===========
    
    Multiple vulnerabilities have been discovered in Xen. Please review the
    referenced CVE identifiers for details.
    
    Impact
    ======
    
    A local attacker could potentially gain privileges on the host system
    or cause a Denial of Service condition.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All Xen users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.12.0-r1"
    
    References
    ==========
    
    [  1 ] CVE-2018-12126
           https://nvd.nist.gov/vuln/detail/CVE-2018-12126
    [  2 ] CVE-2018-12127
           https://nvd.nist.gov/vuln/detail/CVE-2018-12127
    [  3 ] CVE-2018-12130
           https://nvd.nist.gov/vuln/detail/CVE-2018-12130
    [  4 ] CVE-2018-12207
           https://nvd.nist.gov/vuln/detail/CVE-2018-12207
    [  5 ] CVE-2018-12207
           https://nvd.nist.gov/vuln/detail/CVE-2018-12207
    [  6 ] CVE-2019-11091
           https://nvd.nist.gov/vuln/detail/CVE-2019-11091
    [  7 ] CVE-2019-11135
           https://nvd.nist.gov/vuln/detail/CVE-2019-11135
    [  8 ] CVE-2019-18420
           https://nvd.nist.gov/vuln/detail/CVE-2019-18420
    [  9 ] CVE-2019-18421
           https://nvd.nist.gov/vuln/detail/CVE-2019-18421
    [ 10 ] CVE-2019-18423
           https://nvd.nist.gov/vuln/detail/CVE-2019-18423
    [ 11 ] CVE-2019-18424
           https://nvd.nist.gov/vuln/detail/CVE-2019-18424
    [ 12 ] CVE-2019-18425
           https://nvd.nist.gov/vuln/detail/CVE-2019-18425
    [ 13 ] CVE-2019-19577
           https://nvd.nist.gov/vuln/detail/CVE-2019-19577
    [ 14 ] CVE-2019-19578
           https://nvd.nist.gov/vuln/detail/CVE-2019-19578
    [ 15 ] CVE-2019-19580
           https://nvd.nist.gov/vuln/detail/CVE-2019-19580
    [ 16 ] CVE-2019-19581
           https://nvd.nist.gov/vuln/detail/CVE-2019-19581
    [ 17 ] CVE-2019-19582
           https://nvd.nist.gov/vuln/detail/CVE-2019-19582
    [ 18 ] CVE-2019-19583
           https://nvd.nist.gov/vuln/detail/CVE-2019-19583
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202003-56
    
    Concerns?
    =========
    
    Security is a primary focus of Gentoo Linux and ensuring the
    confidentiality and security of our users' machines is of utmost
    importance to us. Any security concerns should be addressed to
    This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at
    https://bugs.gentoo.org.
    
    License
    =======
    
    Copyright 2020 Gentoo Foundation, Inc; referenced text
    belongs to its owner(s).
    
    The contents of this document are licensed under the
    Creative Commons - Attribution / Share Alike license.
    
    https://creativecommons.org/licenses/by-sa/2.5
    
    

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