CVE-2010-2784

The subpage MMIO initialization functionality in the subpageregister function in exec.c in QEMU-KVM, as used in the Hypervisor aka rhev-hypervisor in Red Hat Enterprise Virtualization RHEV 2.2 and KVM 83, does not properly select the index for access to the callback array, which allows guest OS...

CVE-2010-0428

libspice, as used in QEMU-KVM in the Hypervisor aka rhev-hypervisor in Red Hat Enterprise Virtualization RHEV 2.2 and qspice 0.3.0, does not properly validate guest QXL driver pointers, which allows guest OS users to cause a denial of service invalid pointer dereference and guest OS crash or...

CVE-2010-0429

CVE-2010-0429 concerns the libspice component of QEMU-KVM used by Red Hat Enterprise Virtualization (RHEV) 2.2 and qspice 0.3.0. The vulnerability arises from not properly restricting addresses for memory-management actions, allowing a privileged guest user to cause a guest crash (denial of servi...

CVE-2010-0428

The CVE-2010-0428 issue affects the libspice component of QEMU-KVM used by the host in Red Hat Enterprise Virtualization Hypervisor (rhev-hypervisor) and qspice 0.3.0. It stems from inadequate validation of guest QXL driver pointers, which can allow a privileged guest user to crash the host (deni...

CVE-2010-0435

CVE-2010-0435 is a KVM/Hypervisor NULL pointer dereference vulnerability that arises when Intel VT-x is enabled, allowing a privileged guest to crash the host via instruction-emulation vectors. Public advisories (RHBA/RHSA-2010-0622 for RHEL5/RHEV 2.2 and ELSA-2010-0627/ELSA-2010-0627) document h...

CVE-2010-0431

CVE-2010-0431 affects QEMU-KVM (RHEV/kvm) where the host did not fully validate guest QXL driver pointers, enabling a privileged guest? user to crash the host (denial of service) or potentially escalate privileges. Public data show Red Hat/RHEV hypervisor updates (RHSA-2010-0622) and KVM updates ...

CVE-2010-0431

QEMU-KVM, as used in the Hypervisor aka rhev-hypervisor in Red Hat Enterprise Virtualization RHEV 2.2 and KVM 83, does not properly validate guest QXL driver pointers, which allows guest OS users to cause a denial of service invalid pointer dereference and guest OS crash or possibly gain privileg...

CVE-2010-0429

libspice, as used in QEMU-KVM in the Hypervisor aka rhev-hypervisor in Red Hat Enterprise Virtualization RHEV 2.2 and qspice 0.3.0, does not properly restrict the addresses upon which memory-management actions are performed, which allows guest OS users to cause a denial of service guest OS crash ...

CVE-2010-2784

The subpage MMIO initialization functionality in the subpageregister function in exec.c in QEMU-KVM, as used in the Hypervisor aka rhev-hypervisor in Red Hat Enterprise Virtualization RHEV 2.2 and KVM 83, does not properly select the index for access to the callback array, which allows guest OS...

CVE-2010-2784

CVE-2010-2784 affects QEMU-KVM (as used by Red Hat Enterprise Virtualization Hypervisor and KVM) where the subpage MMIO initialization did not properly select the index to access the callback array. This flaw could allow a privileged guest user to crash the guest (denial of service) or, potential...

CVE-2010-0428

libspice, as used in QEMU-KVM in the Hypervisor aka rhev-hypervisor in Red Hat Enterprise Virtualization RHEV 2.2 and qspice 0.3.0, does not properly validate guest QXL driver pointers, which allows guest OS users to cause a denial of service invalid pointer dereference and guest OS crash or...

CVE-2010-0429

libspice, as used in QEMU-KVM in the Hypervisor aka rhev-hypervisor in Red Hat Enterprise Virtualization RHEV 2.2 and qspice 0.3.0, does not properly restrict the addresses upon which memory-management actions are performed, which allows guest OS users to cause a denial of service guest OS crash ...

Linux kernel 2.6.x KVM Intel VT-x扩展空指针引用拒绝服务漏洞

BUGTRAQ ID: 42582 CVE ID: CVE-2010-0435 Linux Kernel是开放源码操作系统Linux所使用的内核。 主机系统上的处理器启用了Intel VT-x扩展时存在空指针引用漏洞。如果模拟器受骗模拟了mov to/from DR指令，由于没有初始化kvmx86ops-set|getdr，可能会触发这个空指针引用，导致主机崩溃。 Linux kernel 2.6.x 厂商补丁： Linux ----- 目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://patchwork.kernel.org/patch/95725/...

CentOS 4 : kernel (CESA-2010:0474)

Updated kernel packages that fix three security issues and several bugs are now available for Red Hat Enterprise Linux 4. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severit...

CVE-2010-0435

The Hypervisor aka rhev-hypervisor in Red Hat Enterprise Virtualization RHEV 2.2, and KVM 83, when the Intel VT-x extension is enabled, allows guest OS users to cause a denial of service NULL pointer dereference and host OS crash via vectors related to instruction emulation...

Fedora 12 : kernel-2.6.32.19-163.fc12 (2010-13110)

Update to kernel 2.6.32.19: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.17 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.18 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.19 - Includes fixes from kernel 2.6.36-rc1 for problems caused by the...

kernel security update

CentOS Errata and Security Advisory CESA-2010:0474 Updated kernel packages that fix three security issues and several bugs are now available for Red Hat Enterprise Linux 4. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring...

libspice: Relying on guest provided data structures to indicate memory allocation

libspice, as used in QEMU-KVM in the Hypervisor aka rhev-hypervisor in Red Hat Enterprise Virtualization RHEV 2.2 and qspice 0.3.0, does not properly restrict the addresses upon which memory-management actions are performed, which allows guest OS users to cause a denial of service guest OS crash ...

qemu: insufficient constraints checking in exec.c:subpage_register()

The subpage MMIO initialization functionality in the subpageregister function in exec.c in QEMU-KVM, as used in the Hypervisor aka rhev-hypervisor in Red Hat Enterprise Virtualization RHEV 2.2 and KVM 83, does not properly select the index for access to the callback array, which allows guest OS...

Important: Red Hat Security Advisory: rhev-hypervisor security and bug fix update

Updated rhev-hypervisor packages that fix multiple security issues and two bugs are now available. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, are availabl...