Debian: DSA-4369-1: xen security update

    Date 14 Jan 2019
    6811
    Posted By Anthony Pell
    Multiple vulnerabilities have been discovered in the Xen hypervisor: CVE-2018-19961 / CVE-2018-19962
    -----BEGIN PGP SIGNED MESSAGE-----
    Hash: SHA512
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4369-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                       Moritz Muehlenhoff
    January 14, 2019                      https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : xen
    CVE ID         : CVE-2018-19961 CVE-2018-19962 CVE-2018-19965
                     CVE-2018-19966 CVE-2018-19967
    
    Multiple vulnerabilities have been discovered in the Xen hypervisor:
    
    CVE-2018-19961 / CVE-2018-19962
    
        Paul Durrant discovered that incorrect TLB handling could result in
        denial of service, privilege escalation or information leaks.
    
    CVE-2018-19965
    
        Matthew Daley discovered that incorrect handling of the INVPCID
        instruction could result in denial of service by PV guests.
    
    CVE-2018-19966
    
        It was discovered that a regression in the fix to address
        CVE-2017-15595 could result in denial of service, privilege
        escalation or information leaks by a PV guest.
    
    CVE-2018-19967
    
        It was discovered that an error in some Intel CPUs could result in
        denial of service by a guest instance.
        
    For the stable distribution (stretch), these problems have been fixed in
    version 4.8.5+shim4.10.2+xsa282-1+deb9u11.
    
    We recommend that you upgrade your xen packages.
    
    For the detailed security status of xen please refer to
    its security tracker page at:
    https://security-tracker.debian.org/tracker/xen
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

    LinuxSecurity Poll

    Do you feel that the Lawful Access to Encrypted Data Act, which aims to force encryption backdoors, is a threat to US citizens' privacy?

    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/30-do-you-feel-that-the-lawful-access-to-encrypted-data-act-which-aims-to-force-encryption-backdoors-is-a-threat-to-privacy?task=poll.vote&format=json
    30
    radio
    [{"id":"106","title":"Yes - I am a privacy advocate and I am strongly opposed to this bill.","votes":"7","type":"x","order":"1","pct":100,"resources":[]},{"id":"107","title":"I'm undecided - it has its pros and cons.","votes":"0","type":"x","order":"2","pct":0,"resources":[]},{"id":"108","title":"No - I support this bill and feel that it will help protect against crime and threats to our national security. ","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
    bottom 200

    Advisories

    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.