Linux Security
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    Linux Security

    openSUSE: 2020:1608-1: important: xen

    Date 04 Oct 2020
    175
    Posted By LinuxSecurity Advisories
    An update that solves 10 vulnerabilities and has one errata is now available.
       openSUSE Security Update: Security update for xen
    ______________________________________________________________________________
    
    Announcement ID:    openSUSE-SU-2020:1608-1
    Rating:             important
    References:         #1027519 #1176339 #1176341 #1176343 #1176344 
                        #1176345 #1176346 #1176347 #1176348 #1176349 
                        #1176350 
    Cross-References:   CVE-2020-25595 CVE-2020-25596 CVE-2020-25597
                        CVE-2020-25598 CVE-2020-25599 CVE-2020-25600
                        CVE-2020-25601 CVE-2020-25602 CVE-2020-25603
                        CVE-2020-25604
    Affected Products:
                        openSUSE Leap 15.2
    ______________________________________________________________________________
    
       An update that solves 10 vulnerabilities and has one errata
       is now available.
    
    Description:
    
       This update for xen fixes the following issues:
    
       - CVE-2020-25602: Fixed an issue where there was a crash when handling
         guest access to MSR_MISC_ENABLE was thrown (bsc#1176339,XSA-333)
       - CVE-2020-25598: Added a missing unlock in XENMEM_acquire_resource error
         path (bsc#1176341,XSA-334)
       - CVE-2020-25604: Fixed a race condition when migrating timers between x86
         HVM vCPU-s (bsc#1176343,XSA-336)
       - CVE-2020-25595: Fixed an issue where PCI passthrough code was reading
         back hardware registers (bsc#1176344,XSA-337)
       - CVE-2020-25597: Fixed an issue where a valid event channels may not turn
         invalid (bsc#1176346,XSA-338)
       - CVE-2020-25596: Fixed a potential denial of service in x86 pv guest
         kernel via SYSENTER (bsc#1176345,XSA-339)
       - CVE-2020-25603: Fixed an issue due to  missing barriers when
         accessing/allocating an event channel (bsc#1176347,XSA-340)
       - CVE-2020-25600: Fixed out of bounds event channels available to 32-bit
         x86 domains (bsc#1176348,XSA-342)
       - CVE-2020-25599: Fixed race conditions with evtchn_reset()
         (bsc#1176349,XSA-343)
       - CVE-2020-25601: Fixed an issue due to lack of preemption in
         evtchn_reset() / evtchn_destroy() (bsc#1176350,XSA-344)
       - Various other fixes (bsc#1027519)
    
       This update was imported from the SUSE:SLE-15-SP2:Update update project.
    
    
    Patch Instructions:
    
       To install this openSUSE Security Update use the SUSE recommended installation methods
       like YaST online_update or "zypper patch".
    
       Alternatively you can run the command listed for your product:
    
       - openSUSE Leap 15.2:
    
          zypper in -t patch openSUSE-2020-1608=1
    
    
    
    Package List:
    
       - openSUSE Leap 15.2 (i586 x86_64):
    
          xen-debugsource-4.13.1_08-lp152.2.9.1
          xen-devel-4.13.1_08-lp152.2.9.1
          xen-libs-4.13.1_08-lp152.2.9.1
          xen-libs-debuginfo-4.13.1_08-lp152.2.9.1
          xen-tools-domU-4.13.1_08-lp152.2.9.1
          xen-tools-domU-debuginfo-4.13.1_08-lp152.2.9.1
    
       - openSUSE Leap 15.2 (x86_64):
    
          xen-4.13.1_08-lp152.2.9.1
          xen-doc-html-4.13.1_08-lp152.2.9.1
          xen-libs-32bit-4.13.1_08-lp152.2.9.1
          xen-libs-32bit-debuginfo-4.13.1_08-lp152.2.9.1
          xen-tools-4.13.1_08-lp152.2.9.1
          xen-tools-debuginfo-4.13.1_08-lp152.2.9.1
    
       - openSUSE Leap 15.2 (noarch):
    
          xen-tools-xendomains-wait-disk-4.13.1_08-lp152.2.9.1
    
    
    References:
    
       https://www.suse.com/security/cve/CVE-2020-25595.html
       https://www.suse.com/security/cve/CVE-2020-25596.html
       https://www.suse.com/security/cve/CVE-2020-25597.html
       https://www.suse.com/security/cve/CVE-2020-25598.html
       https://www.suse.com/security/cve/CVE-2020-25599.html
       https://www.suse.com/security/cve/CVE-2020-25600.html
       https://www.suse.com/security/cve/CVE-2020-25601.html
       https://www.suse.com/security/cve/CVE-2020-25602.html
       https://www.suse.com/security/cve/CVE-2020-25603.html
       https://www.suse.com/security/cve/CVE-2020-25604.html
       https://bugzilla.suse.com/1027519
       https://bugzilla.suse.com/1176339
       https://bugzilla.suse.com/1176341
       https://bugzilla.suse.com/1176343
       https://bugzilla.suse.com/1176344
       https://bugzilla.suse.com/1176345
       https://bugzilla.suse.com/1176346
       https://bugzilla.suse.com/1176347
       https://bugzilla.suse.com/1176348
       https://bugzilla.suse.com/1176349
       https://bugzilla.suse.com/1176350
    
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