Security update for xen

SUSE Security Update: Security update for xen
Announcement ID: SUSE-SU-2019:3296-1
Rating: important
References: #1158003 #1158004 #1158005 #1158006 #1158007
Cross-References: CVE-2019-19577 CVE-2019-19578 CVE-2019-19580 CVE-2019-19581 CVE-2019-19582 CVE-2019-19583
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 12-SP5
  • SUSE Linux Enterprise Server 12-SP5

An update that fixes 6 vulnerabilities is now available.

Description:

This update for xen fixes the following issues:

  • CVE-2019-19581: Fixed a potential out of bounds on 32-bit Arm (bsc#1158003 XSA-307).
  • CVE-2019-19582: Fixed a potential infinite loop when x86 accesses to bitmaps with a compile time known size of 64 (bsc#1158003 XSA-307).
  • CVE-2019-19583: Fixed improper checks which could have allowed HVM/PVH guest userspace code to crash the guest,leading to a guest denial of service (bsc#1158004 XSA-308).
  • CVE-2019-19578: Fixed an issue where a malicious or buggy PV guest could have caused hypervisor crash resulting in denial of service affecting the entire host (bsc#1158005 XSA-309).
  • CVE-2019-19580: Fixed a privilege escalation where a malicious PV guest administrator could have been able to escalate their privilege to that of the host (bsc#1158006 XSA-310).
  • CVE-2019-19577: Fixed an issue where a malicious guest administrator could have caused Xen to access data structures while they are being modified leading to a crash (bsc#1158007 XSA-311).

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 Software Development Kit 12-SP5:
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2019-3296=1
  • SUSE Linux Enterprise Server 12-SP5:
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2019-3296=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 x86_64):
    • xen-debugsource-4.12.1_10-3.8.1
    • xen-devel-4.12.1_10-3.8.1
  • SUSE Linux Enterprise Server 12-SP5 (x86_64):
    • xen-4.12.1_10-3.8.1
    • xen-debugsource-4.12.1_10-3.8.1
    • xen-doc-html-4.12.1_10-3.8.1
    • xen-libs-32bit-4.12.1_10-3.8.1
    • xen-libs-4.12.1_10-3.8.1
    • xen-libs-debuginfo-32bit-4.12.1_10-3.8.1
    • xen-libs-debuginfo-4.12.1_10-3.8.1
    • xen-tools-4.12.1_10-3.8.1
    • xen-tools-debuginfo-4.12.1_10-3.8.1
    • xen-tools-domU-4.12.1_10-3.8.1
    • xen-tools-domU-debuginfo-4.12.1_10-3.8.1

References: