973 matches found
Null pointer dereference
The dommuupdate function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service NULL pointer dereference by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging...
CVE-2014-8594
The dommuupdate function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service NULL pointer dereference by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging...
CVE-2014-8594
The dommuupdate function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service NULL pointer dereference by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging...
Insufficient restrictions on certain MMU update hypercalls
ISSUE DESCRIPTION MMU update operations targeting page tables are intended to be used on PV guests only. The lack of a respective check made it possible for such operations to access certain function pointers which remain NULL when the target guest is using Hardware Assisted Paging HAP. IMPACT...
kernel security and bug fix update
kernel 2.6.18-371.12.1.0.1 - ocfs2: dlm: fix recovery hung Junxiao Bi orabug 13956772 - i386: fix MTRR code Zhenzhong Duan orabug 15862649 - oprofile x86, mm: Add getuserpagesfast orabug 14277030 - oprofile export getuserpagesfast function orabug 14277030 - oprofile oprofile, x86: Fix nmi-unsafe...
kernel security and bug fix update
kernel 2.6.18-371.11.1.0.1 - ocfs2: dlm: fix recovery hung Junxiao Bi orabug 13956772 - i386: fix MTRR code Zhenzhong Duan orabug 15862649 - oprofile x86, mm: Add getuserpagesfast orabug 14277030 - oprofile export getuserpagesfast function orabug 14277030 - oprofile oprofile, x86: Fix nmi-unsafe...
openSUSE Security Update : XEN (openSUSE-SU-2012:1573-1)
This security update of XEN fixes various bugs and security issues. - Upstream patch 26088-xend-xml-filesize-check.patch - bnc787163 - CVE-2012-4544: xen: Domain builder Out-of- memory due to malicious kernel/ramdisk XSA 25 CVE-2012-4544-xsa25.patch - bnc779212 - CVE-2012-4411: XEN / qemu: guest...
UBUNTU-CVE-2012-2106
Integer overflow in the pvimport function in util/pvimport.c in Csound 5.16.6, when converting a file, allows remote attackers to execute arbitrary code via a crafted file, which triggers a heap-based buffer overflow...
Fedora 20 : xen-4.3.1-8.fc20 (2014-1552)
PHYSDEVOPprepare,releasemsix exposed to unprivileged pv guests, Out-of-memory condition yielding memory corruption during IRQ setup Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically...
CVE-2014-1666
The dophysdevop function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the 1 PHYSDEVOPpreparemsix and 2 PHYSDEVOPreleasemsix operations, which allows local PV guests to cause a denial of service host or guest malfunction or possibly gain privileges via...
CVE-2014-1666
The dophysdevop function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the 1 PHYSDEVOPpreparemsix and 2 PHYSDEVOPreleasemsix operations, which allows local PV guests to cause a denial of service host or guest malfunction or possibly gain privileges via...
PHYSDEVOP_{prepare,release}_msix exposed to unprivileged guests
ISSUE DESCRIPTION The PHYSDEVOPprepare,releasemsix operations are supposed to be available to privileged guests domain 0 in non-disaggregated setups only, but the necessary privilege check was missing. IMPACT Malicious or misbehaving unprivileged guests can cause the host or other guests to...
CVE-2013-4375
The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...
DEBIAN-CVE-2013-4375
The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...
CVE-2013-4375
The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...
Design/Logic Flaw
The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...
CVE-2013-4375
CVE-2013-4375 affects the qdisk PV disk backend in qemu-xen used by Xen 4.2.x and 4.3.x before 4.3.1, and in qemu 1.1 and other versions. The vulnerability allows a local HVM guest to cause a denial of service via domain grant reference consumption through unspecified vectors. The issue is tied t...
CVE-2013-4375
The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...
CVE-2013-4375
The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...