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    SUSE: 2019:0709-1 important: the Linux Kernel (Live Patch 26 for SLE 12 SP2)

    Date
    502
    Posted By
    An update that fixes three vulnerabilities is now available.
    
       SUSE Security Update: Security update for the Linux Kernel (Live Patch 26 for SLE 12 SP2)
    ______________________________________________________________________________
    
    Announcement ID:    SUSE-SU-2019:0709-1
    Rating:             important
    References:         #1124729 #1124734 #1128378 
    Cross-References:   CVE-2019-6974 CVE-2019-7221 CVE-2019-9213
                       
    Affected Products:
                        SUSE Linux Enterprise Server for SAP 12-SP2
                        SUSE Linux Enterprise Server 12-SP2-LTSS
    ______________________________________________________________________________
    
       An update that fixes three vulnerabilities is now available.
    
    Description:
    
       This update for the Linux Kernel 4.4.121-92_98 fixes several issues.
    
       The following security issues were fixed:
    
       - CVE-2019-9213: Expand_downwards in mm/mmap.c lacked a check for the mmap
         minimum address, which made it easier for attackers to exploit kernel
         NULL pointer dereferences on non-SMAP platforms. This is related to a
         capability check for the wrong task (bsc#1128378).
       - CVE-2019-7221: Fixed a user-after-free vulnerability in the KVM
         hypervisor related to the emulation of a preemption timer, allowing an
         guest user/process to crash the host kernel. (bsc#1124734).
       - CVE-2019-6974: kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandled
         reference counting because of a race condition, leading to a
         use-after-free (bsc#1124729).
    
    
    Patch Instructions:
    
       To install this SUSE 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:
    
       - SUSE Linux Enterprise Server for SAP 12-SP2:
    
          zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-709=1 SUSE-SLE-SAP-12-SP2-2019-710=1
    
       - SUSE Linux Enterprise Server 12-SP2-LTSS:
    
          zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-709=1 SUSE-SLE-SERVER-12-SP2-2019-710=1
    
    
    
    Package List:
    
       - SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):
    
          kgraft-patch-4_4_121-92_98-default-4-2.1
    
       - SUSE Linux Enterprise Server for SAP 12-SP2 (x86_64):
    
          kgraft-patch-4_4_121-92_92-default-6-2.1
    
       - SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le x86_64):
    
          kgraft-patch-4_4_121-92_98-default-4-2.1
    
       - SUSE Linux Enterprise Server 12-SP2-LTSS (x86_64):
    
          kgraft-patch-4_4_121-92_92-default-6-2.1
    
    
    References:
    
       https://www.suse.com/security/cve/CVE-2019-6974.html
       https://www.suse.com/security/cve/CVE-2019-7221.html
       https://www.suse.com/security/cve/CVE-2019-9213.html
       https://bugzilla.suse.com/1124729
       https://bugzilla.suse.com/1124734
       https://bugzilla.suse.com/1128378
    
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