Fedora 28 : xen (2018-a7862a75f5)

preemption checks bypassed in x86 PV MM handling XSA-264, CVE-2018-12891 1595959 x86: DB exception safety check can be triggered by a guest XSA-265, CVE-2018-12893 1595958 libxl fails to honour readonly flag on HVM emulated SCSI disks XSA-266, CVE-2018-12892 1595957 Note that Tenable Network...

SUSE-SU-2018:2081-2 Security update for xen

This update for xen fixes the following issues: Security issues fixed: - CVE-2018-12891: Fix preemption checks bypass in x86 PV MM handling XSA-264 bsc1097521. - CVE-2018-12892: Fix libxl failure to honour readonly flag on HVM emulated SCSI disks XSA-266 bsc1097523. - CVE-2018-12893: Fix DB...

SUSE SLES12 Security Update : xen (SUSE-SU-2018:2081-1)

This update for xen fixes the following issues: Security issues fixed : - CVE-2018-12891: Fix preemption checks bypass in x86 PV MM handling XSA-264 bsc1097521. - CVE-2018-12892: Fix libxl failure to honour readonly flag on HVM emulated SCSI disks XSA-266 bsc1097523. - CVE-2018-12893: Fix DB...

Fedora 27 : xen (2018-1a467757ce)

preemption checks bypassed in x86 PV MM handling XSA-264, CVE-2018-12891 x86: DB exception safety check can be triggered by a guest XSA-265, CVE-2018-12893 libxl fails to honour readonly flag on HVM emulated SCSI disks XSA-266, CVE-2018-12892 ---- Speculative register leakage from lazy FPU contex...

CVE-2015-8104

The KVM subsystem in the Linux kernel (through version 4.2.6) and Xen (4.3.x through 4.6.x) contains a vulnerability related to svm.c . A guest OS user can trigger an infinite stream of #DB (Debug) exceptions , causing the processor microcode to enter an infinite loop. This results in a denial of...