CentOS 5 : kvm (CESA-2010:0126)

Updated kvm packages that fix two security issues and two bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on...

kmod, kvm security update

CentOS Errata and Security Advisory CESA-2010:0126 Updated kvm packages that fix two security issues and two bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. KVM Kernel-based Virtual Machin...

KVM: Check cpl before emulating debug register access

The handledr function in arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 2.6.31.1 does not properly verify the Current Privilege Level CPL before accessing a debug register, which allows guest OS users to cause a denial of service trap on the host OS via a crafted application...

Important: Red Hat Security Advisory: kvm security and bug fix update

Updated kvm packages that fix two security issues and two bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on...

kvm security and bug fix update

kvm-83-105.0.1.el54.27 - Add kvm-add-oracle-workaround-for-libvirt-bug.patch kvm-83-105.el54.27 - kvm-kernel-KVM-VMX-Check-cpl-before-emulating-debug-register-ac.patch bz563516 - Resolves: bz563516 KVM: Check cpl before emulating debug register access rhel-5.4.z kvm-83-105.el54.26 -...

Debian DSA-1846-1 : kvm - denial of service

Matt T. Yourst discovered an issue in the kvm subsystem. Local users with permission to manipulate /dev/kvm can cause a denial of service hang by providing an invalid cr3 value to the KVMSETSREGS call. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in...

Debian DSA-1962-1 : kvm - several vulnerabilities

Several vulnerabilities have been discovered in kvm, a full virtualization system. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2009-3638 It was discovered an Integer overflow in the kvmdevioctlgetsupportedcpuid function. This allows local users to ha...

Debian DSA-1996-1 : linux-2.6 - privilege escalation/denial of service/sensitive memory leak

Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service, sensitive memory leak or privilege escalation. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2009-3939 Joseph Malicki reported that the dbglvl sysfs...

Debian DSA-1845-1 : linux-2.6 - denial of service, privilege escalation

Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service, or privilege escalation. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2009-1895 Julien Tinnes and Tavis Ormandy reported an issue in the Linux...

Debian DSA-1907-1 : kvm - several vulnerabilities

Several vulnerabilities have been discovered in kvm, a full virtualization system. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2008-5714 Chris Webb discovered an off-by-one bug limiting KVM's VNC passwords to 7 characters. This flaw might make it...

Mandriva Update for mandriva-doc MDVA-2010:072 (mandriva-doc)

Check for the Version of mandriva-doc OpenVAS Vulnerability Test Mandriva Update for mandriva-doc MDVA-2010:072 mandriva-doc Authors: System Generated Check Copyright: Copyright c 2010 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or...

Design/Logic Flaw

The pitioportread function in the Programmable Interval Timer PIT emulation in i8254.c in KVM 83 does not properly use the pitstate data structure, which allows guest OS users to cause a denial of service host OS crash or hang by attempting to read the /dev/port file...

CVE-2010-0306

The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing SMP, does not use the Current Privilege Level CPL and I/O Privilege Level IOPL to restrict instruction execution, which allows guest OS users to cause a denial of service guest OS crash or gain privileges on the...

Design/Logic Flaw

The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing SMP, does not use the Current Privilege Level CPL and I/O Privilege Level IOPL to restrict instruction execution, which allows guest OS users to cause a denial of service guest OS crash or gain privileges on the...

CVE-2010-0298

The x86 emulator in KVM 83 does not use the Current Privilege Level CPL and I/O Privilege Level IOPL in determining the memory access available to CPL3 code, which allows guest OS users to cause a denial of service guest OS crash or gain privileges on the guest OS by leveraging access to a 1 IO...

CVE-2010-0309

The pitioportread function in the Programmable Interval Timer PIT emulation in i8254.c in KVM 83 does not properly use the pitstate data structure, which allows guest OS users to cause a denial of service host OS crash or hang by attempting to read the /dev/port file...

Design/Logic Flaw

The x86 emulator in KVM 83 does not use the Current Privilege Level CPL and I/O Privilege Level IOPL in determining the memory access available to CPL3 code, which allows guest OS users to cause a denial of service guest OS crash or gain privileges on the guest OS by leveraging access to a 1 IO...

AZL-34841 CVE-2010-0309 affecting package kernel for versions less than 6.6.35.1-4

The pitioportread function in the Programmable Interval Timer PIT emulation in i8254.c in KVM 83 does not properly use the pitstate data structure, which allows guest OS users to cause a denial of service host OS crash or hang by attempting to read the /dev/port file...

CVE-2010-0298

The x86 emulator in KVM 83 does not use the Current Privilege Level CPL and I/O Privilege Level IOPL in determining the memory access available to CPL3 code, which allows guest OS users to cause a denial of service guest OS crash or gain privileges on the guest OS by leveraging access to a 1 IO...

CVE-2010-0306

The connected MiracleLinux AXSA advisory references CVE-2010-0306, describing a vulnerability in the KVM x86 emulator: when a guest is SMP-configured, CPL/IOPL checks are not applied to memory access for CPL3 code. This allows guest OS users to crash the guest or potentially gain privileges by ab...