SUSE-SU-2020:0388-1

Advisory lineage Upstream: 25 Downstream: 0
Published: 17 Feb 2020, 14:03
Last modified:04 Feb 2026, 02:19

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Feb 2020, 14:03
Published
Vulnerability first disclosed
04 Feb 2026, 02:19
Last Modified
Vulnerability information updated

Description

Security update for xen This update for xen fixes the following issues: - CVE-2018-12207: Fixed a race condition where untrusted virtual machines could have been using the Instruction Fetch Unit of the Intel CPU to cause a Machine Exception during Page Size Change, causing the CPU core to be non-functional (bsc#1155945 XSA-304). - CVE-2018-19965: Fixed a DoS from attempting to use INVPCID with a non-canonical addresses (bsc#1115045 XSA-279). - CVE-2019-11135: Aborting an asynchronous TSX operation on Intel CPUs with Transactional Memory support could be used to facilitate side-channel information leaks out of microarchitectural buffers, similar to the previously described 'Microarchitectural Data Sampling' attack. (bsc#1152497 XSA-305). - CVE-2019-12067: Fixed a null pointer dereference in QEMU AHCI (bsc#1145652). - CVE-2019-12068: Fixed an infinite loop while executing script (bsc#1146874). - CVE-2019-12155: Fixed a null pointer dereference while releasing spice resources (bsc#1135905). - CVE-2019-14378: Fixed a heap buffer overflow during packet reassembly in slirp networking implementation (bsc#1143797). - CVE-2019-15890: Fixed a use-after-free during packet reassembly (bsc#1149813). - CVE-2019-17340: Fixed grant table transfer issues on large hosts (XSA-284 bsc#1126140). - CVE-2019-17341: Fixed a race with pass-through device hotplug (XSA-285 bsc#1126141). - CVE-2019-17342: Fixed steal_page violating page_struct access discipline (XSA-287 bsc#1126192). - CVE-2019-17343: Fixed an inconsistent PV IOMMU discipline (XSA-288 bsc#1126195). - CVE-2019-17344: Fixed a missing preemption in x86 PV page table unvalidation (XSA-290 bsc#1126196). - CVE-2019-17347: Fixed a PV kernel context switch corruption (XSA-293 bsc#1126201). - CVE-2019-18420: Fixed a hypervisor crash that could be caused by malicious x86 PV guests, resulting in a denial of service (bsc#1154448 XSA-296). - CVE-2019-18421: Fixed a privilege escalation through malicious PV guest administrators (bsc#1154458 XSA-299). - CVE-2019-18424: Fixed a privilege escalation through DMA to physical devices by untrusted domains (bsc#1154461 XSA-302). - CVE-2019-18425: Fixed a privilege escalation from 32-bit PV guest used mode (bsc#1154456 XSA-298). - 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). - 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-2019-19579: Fixed a privilege escalation where an untrusted domain with access to a physical device can DMA into host memory (bsc#1157888 XSA-306). - 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-2019-19581: Fixed a potential out of bounds on 32-bit Arm (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).

Affected Systems

  • suse•xen&distro=SUSE Linux Enterprise Server 12 SP1-LTSS

    < 4.5.5_28-22.64.1

  • suse•xen&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP1

    < 4.5.5_28-22.64.1

References (51)