SUSE-SU-2018:0438-1

Advisory lineage Upstream: 10 Downstream: 0
Published: 14 Feb 2018, 09:58
Last modified:02 May 2025, 04:06

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

14 Feb 2018, 09:58
Published
Vulnerability first disclosed
02 May 2025, 04:06
Last Modified
Vulnerability information updated

Description

Security update for xen This update for xen fixes several issues. These security issues were fixed: - CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks (bsc#1074562, bsc#1068032) - CVE-2017-15595: x86 PV guest OS users were able to cause a DoS (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking (bsc#1061081) - CVE-2017-17566: Prevent PV guest OS users to cause a denial of service (host OS crash) or gain host OS privileges in shadow mode by mapping a certain auxiliary page (bsc#1070158). - CVE-2017-17563: Prevent guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode (bsc#1070159). - CVE-2017-17564: Prevent guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode (bsc#1070160). - CVE-2017-17565: Prevent PV guest OS users to cause a denial of service (host OS crash) if shadow mode and log-dirty mode are in place, because of an incorrect assertion related to M2P (bsc#1070163). - CVE-2018-5683: The vga_draw_text function allowed local OS guest privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging improper memory address validation (bsc#1076116). - CVE-2017-18030: The cirrus_invalidate_region function allowed local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch (bsc#1076180). These non-security issues were fixed: - bsc#1067317: pass cache=writeback|unsafe|directsync to qemu depending on the libxl disk settings - bsc#1051729: Prevent invalid symlinks after install of SLES 12 SP2 - bsc#1035442: Increased the value of LIBXL_DESTROY_TIMEOUT from 10 to 100 seconds. If many domUs shutdown in parallel the backends couldn't keep up - bsc#1027519: Added several upstream patches

Affected Systems

  • suse•xen&distro=SUSE Linux Enterprise Desktop 12 SP3

    < 4.9.1_08-3.26.1

  • suse•xen&distro=SUSE Linux Enterprise Server 12 SP3

    < 4.9.1_08-3.26.1

  • suse•xen&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP3

    < 4.9.1_08-3.26.1

  • suse•xen&distro=SUSE Linux Enterprise Software Development Kit 12 SP3

    < 4.9.1_08-3.26.1

References (24)