Denial Of Service (DoS)

xen is vulnerable to denial of service DoS attacks. The vulnerability exists through a buffer overflow in the e1000receive function in the e1000 device driver hw/e1000.c in QEMU 1.3.0-rc2 and other versions, when the SBP and LPE flags are disabled, allows remote attackers to cause a denial of...

CVE-2018-20124

hw/rdma/rdmabackend.c in QEMU allows guest OS users to trigger out-of-bounds access via a PvrdmaSqWqe ring element with a large numsge value...

Amazon Linux 2 : libvirt (ALAS-2018-1134)

util/virlog.c in libvirt does not properly determine the hostname on LXC container startup, which allows local guest OS users to bypass an intended container protection mechanism and execute arbitrary commands via a crafted NSS module.CVE-2018-6764 C Tenable Network Security, Inc. The descriptive...

CVE-2018-19489

v9fswstat in hw/9pfs/9p.c in QEMU allows guest OS users to cause a denial of service crash because of a race condition during file renaming...

CVE-2018-19966

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service host OS crash or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorre...

CVE-2018-19965

An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service host OS crash because GP0 can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 aka Meltdown mitigation...

CVE-2018-19963

An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service host OS crash or possibly gain host OS privileges because x86 IOREQ server resource accounting for external emulators was mishandled...

CVE-2018-19962

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones...

CVE-2018-19961

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes...

Design/Logic Flaw

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes...

CVE-2018-19961

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes...

CVE-2018-19967

An issue was discovered in Xen through 4.11.x on Intel x86 platforms allowing guest OS users to cause a denial of service host OS hang because Xen does not work around Intel's mishandling of certain HLE transactions associated with the KACQUIRE instruction prefix...

CVE-2018-19963

An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service host OS crash or possibly gain host OS privileges because x86 IOREQ server resource accounting for external emulators was mishandled...

Code injection

An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service host OS crash or possibly gain host OS privileges because x86 IOREQ server resource accounting for external emulators was mishandled...

CVE-2018-19965

An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service host OS crash because GP0 can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 aka Meltdown mitigation...

CVE-2018-19962

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones...

CVE-2018-19963

An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service host OS crash or possibly gain host OS privileges because x86 IOREQ server resource accounting for external emulators was mishandled...

CVE-2018-19961

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes...

CVE-2018-19964

An issue was discovered in Xen 4.11.x allowing x86 guest OS users to cause a denial of service host OS hang because the p2m lock remains unavailable indefinitely in certain error conditions...

CVE-2018-19965

An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service host OS crash because GP0 can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 aka Meltdown mitigation...