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CVE-2014-3610

Status Candidate

Overview

The WRMSR processing functionality in the KVM subsystem in the Linux kernel through 3.17.2 does not properly handle the writing of a non-canonical address to a model-specific register, which allows guest OS users to cause a denial of service (host OS crash) by leveraging guest OS privileges, related to the wrmsr_interception function in arch/x86/kvm/svm.c and the handle_wrmsr function in arch/x86/kvm/vmx.c.

Related Files

Red Hat Security Advisory 2015-0869-01
Posted Apr 22, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-0869-01 - KVM is a full virtualization solution for Linux on AMD64 and Intel 64 systems. KVM is a Linux kernel module built for the standard Red Hat Enterprise Linux kernel. It was found that KVM's Write to Model Specific Register instruction emulation would write non-canonical values passed in by the guest to certain MSRs in the host's context. A privileged guest user could use this flaw to crash the host. A race condition flaw was found in the way the Linux kernel's KVM subsystem handled PIT emulation. A guest user who has access to the PIT I/O ports could use this flaw to crash the host.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2014-3610, CVE-2014-3611
SHA-256 | 26225351ab56061b5da1791a123ec8764b904a911c83218c2500c2ca7e8fef8f
Ubuntu Security Notice USN-2491-1
Posted Feb 4, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2491-1 - Andy Lutomirski discovered that the Linux kernel does not properly handle faults associated with the Stack Segment (SS) register in the x86 architecture. A local attacker could exploit this flaw to gain administrative privileges. Lars Bull reported a race condition in the PIT (programmable interrupt timer) emulation in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. A local guest user with access to PIT i/o ports could exploit this flaw to cause a denial of service (crash) on the host. Various other issues were also addressed.

tags | advisory, denial of service, x86, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-3610, CVE-2014-3611, CVE-2014-8133, CVE-2014-9322, CVE-2014-9420
SHA-256 | 19a2af96124543aaa352ea18ece1dd413cfb089cee4acb7401e035e68bc63c5c
Ubuntu Security Notice USN-2462-1
Posted Jan 13, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2462-1 - Lars Bull reported a race condition in the PIT (programmable interrupt timer) emulation in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. A local guest user with access to PIT i/o ports could exploit this flaw to cause a denial of service (crash) on the host. Lars Bull and Nadav Amit reported a flaw in how KVM (the Kernel Virtual Machine) handles noncanonical writes to certain MSR registers. A privileged guest user can exploit this flaw to cause a denial of service (kernel panic) on the host. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-3610, CVE-2014-3611
SHA-256 | 0f5da1d8a858a44a37ab039d7f2dbbccb1c46685351becb6ec3a4369a865c5f3
Mandriva Linux Security Advisory 2014-230
Posted Nov 27, 2014
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2014-230 - Multiple vulnerabilities has been found and corrected in the Linux kernel. The updated packages provides a solution for these security issues.

tags | advisory, kernel, vulnerability
systems | linux, mandriva
advisories | CVE-2014-3610, CVE-2014-3611, CVE-2014-3645, CVE-2014-3646, CVE-2014-3647, CVE-2014-3673, CVE-2014-3687, CVE-2014-3690, CVE-2014-7825, CVE-2014-7826, CVE-2014-7970, CVE-2014-8369
SHA-256 | e78db882e943ee9b4f1b7075ddaa971883bca45bf173bf02afe691b652970d70
Ubuntu Security Notice USN-2417-1
Posted Nov 25, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2417-1 - Nadav Amit reported that the KVM (Kernel Virtual Machine) mishandles noncanonical addresses when emulating instructions that change the rip (Instruction Pointer). A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service (system crash) of the guest. A flaw was discovered with the handling of the invept instruction in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. An unprivileged guest user could exploit this flaw to cause a denial of service (system crash) on the guest. Various other issues were also addressed.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2014-3610, CVE-2014-3611, CVE-2014-3645, CVE-2014-3646, CVE-2014-3647, CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-3690, CVE-2014-4608, CVE-2014-7207, CVE-2014-7975
SHA-256 | d7573d41ea8583522053f3ddf2d29337294c20d6c310ac2be612936e9cc496c9
Ubuntu Security Notice USN-2418-1
Posted Nov 25, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2418-1 - Nadav Amit reported that the KVM (Kernel Virtual Machine) mishandles noncanonical addresses when emulating instructions that change the rip (Instruction Pointer). A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service (system crash) of the guest. A flaw was discovered with the handling of the invept instruction in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. An unprivileged guest user could exploit this flaw to cause a denial of service (system crash) on the guest. Various other issues were also addressed.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2014-3610, CVE-2014-3611, CVE-2014-3645, CVE-2014-3646, CVE-2014-3647, CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-3690, CVE-2014-4608, CVE-2014-7207, CVE-2014-7975
SHA-256 | 03a7978ef81c526c9834e89b46bf36cbf2997deaa68a655162066cf8d249724d
Ubuntu Security Notice USN-2396-1
Posted Oct 31, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2396-1 - Nadav Amit reported that the KVM (Kernel Virtual Machine) mishandles noncanonical addresses when emulating instructions that change the rip (Instruction Pointer). A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service (system crash) of the guest. A flaw was discovered with the handling of the invept instruction in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. An unprivileged guest user could exploit this flaw to cause a denial of service (system crash) on the guest. Various other issues were also addressed.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2014-3610, CVE-2014-3611, CVE-2014-3646, CVE-2014-3647
SHA-256 | 1d4a66fe54824b3a2195cd038c40ef51592bd26fe3b58cb42617177ebcf73bf4
Debian Security Advisory 3060-1
Posted Oct 31, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3060-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2014-3610, CVE-2014-3611, CVE-2014-3645, CVE-2014-3646, CVE-2014-3647, CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-3690, CVE-2014-7207
SHA-256 | 0afeb11e0e11425c8fc0a72b1d9c7150c102cb8b37d56b7e26245c2aa0015544
Ubuntu Security Notice USN-2395-1
Posted Oct 30, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2395-1 - Nadav Amit reported that the KVM (Kernel Virtual Machine) mishandles noncanonical addresses when emulating instructions that change the rip (Instruction Pointer). A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service (system crash) of the guest. A flaw was discovered with the handling of the invept instruction in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. An unprivileged guest user could exploit this flaw to cause a denial of service (system crash) on the guest. Various other issues were also addressed.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2014-3610, CVE-2014-3611, CVE-2014-3646, CVE-2014-3647, CVE-2014-7145
SHA-256 | cbe5adeb256340729c24722da0132420fbce771084cef02f02569fc8720c64cd
Ubuntu Security Notice USN-2394-1
Posted Oct 30, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2394-1 - Nadav Amit reported that the KVM (Kernel Virtual Machine) mishandles noncanonical addresses when emulating instructions that change the rip (Instruction Pointer). A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service (system crash) of the guest. A flaw was discovered with the handling of the invept instruction in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. An unprivileged guest user could exploit this flaw to cause a denial of service (system crash) on the guest. Various other issues were also addressed.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2014-3610, CVE-2014-3611, CVE-2014-3646, CVE-2014-3647, CVE-2014-7145
SHA-256 | 8f5ed0f7e7e1843a5ee309f342ca16e238c19172360ab78300a22bde4e498b02
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