Linux Security
    Linux Security
    Linux Security

    Gentoo: GLSA-202009-14: Xen: Buffer overflow

    Date
    54
    Posted By
    A buffer overflow in Xen might allow remote attacker(s) to execute arbitrary code.
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    Gentoo Linux Security Advisory                           GLSA 202009-14
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                               https://security.gentoo.org/
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
     Severity: Normal
        Title: Xen: Buffer overflow
         Date: September 29, 2020
         Bugs: #738040
           ID: 202009-14
    
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
    Synopsis
    ========
    
    A buffer overflow in Xen might allow remote attacker(s) to execute
    arbitrary code.
    
    Background
    ==========
    
    Xen is a bare-metal hypervisor.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  app-emulation/xen          < 4.13.1-r3              >= 4.13.1-r3
      2  app-emulation/xen-tools    < 4.13.1-r3              >= 4.13.1-r3
        -------------------------------------------------------------------
         2 affected packages
    
    Description
    ===========
    
    An out-of-bounds read/write access issue was found in the USB emulator
    when using QEMU.
    
    Impact
    ======
    
    A remote attacker could possibly execute arbitrary code with the
    privileges of the process 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-4.13.1-r3"
    
    All Xen tools users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot -v ">=app-emulation/xen-tools-4.13.1-r3"
    
    References
    ==========
    
    [ 1 ] CVE-2020-14364
          https://nvd.nist.gov/vuln/detail/CVE-2020-14364
    [ 2 ] XSA-335
          https://xenbits.xen.org/xsa/advisory-335.html
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202009-14
    
    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
    

    LinuxSecurity Poll

    Tails is the most secure Linux distro out there.

    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 2 answer(s).
    /main-polls/41-ubuntu-is-a-more-secure-distro-than-fedora?task=poll.vote&format=json
    41
    radio
    [{"id":"142","title":"Yes - Tails get my vote!","votes":"4","type":"x","order":"1","pct":66.67,"resources":[]},{"id":"143","title":"Nope - Parrot OS has surpassed Tails in its security and privacy.","votes":"2","type":"x","order":"2","pct":33.33,"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

    Please vote first in order to view vote results.


    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.