VDB-8068 · CVE-2013-1797 · BID 58605

Linux Kernel 3.8.0/3.8.1/3.8.2/3.8.3/3.8.4 arch/x86/kvm/x86.c kvm_set_msr_common resource management

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability has been found in Linux Kernel 3.8.0/3.8.1/3.8.2/3.8.3/3.8.4 (Operating System) and classified as critical. This vulnerability affects the function kvm_set_msr_common of the file arch/x86/kvm/x86.c. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 allows guest OS users to cause a denial of service (host OS memory corruption) or possibly have unspecified other impact via a crafted application that triggers use of a guest physical address (GPA) in (1) movable or (2) removable memory during an MSR_KVM_SYSTEM_TIME kvm_set_msr_common operation.

The weakness was presented 03/01/2013 by Andrew Honig with Google Inc. as not defined mailinglist post (oss-sec). The advisory is shared for download at seclists.org. The public release was coordinated in cooperation with the vendor. This vulnerability was named CVE-2013-1797 since 02/19/2013. The exploitation appears to be difficult. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 65920 (CentOS 5 : kvm (CESA-2013:0727)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166437 (OpenSuSE Security Update for 3.0.80 Kernel Update (openSUSE-SU-2013:1187-1)).

Upgrading to version 3.0.75 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (65920), SecurityFocus (BID 58605†), OSVDB (91562†), Secunia (SA52630†) and Vulnerability Center (SBV-38856†).







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.3
VulDB Temp Score: 8.9
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Class: Resource management
CWE: CWE-399 / CWE-404

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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Nessus ID: 65920
Nessus Name: CentOS 5 : kvm (CESA-2013:0727)
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OpenVAS ID: 881709
OpenVAS Name: CentOS Update for kmod-kvm CESA-2013:0727 centos5
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Threat Intelligenceinfo

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Recommended: Patch
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Upgrade: Kernel 3.0.75
Patch: git.kernel.org


02/19/2013 🔍
03/01/2013 +10 days 🔍
03/18/2013 +16 days 🔍
03/18/2013 +0 days 🔍
03/19/2013 +1 days 🔍
03/21/2013 +2 days 🔍
03/21/2013 +0 days 🔍
03/22/2013 +1 days 🔍
03/25/2013 +3 days 🔍
05/06/2021 +2964 days 🔍


Vendor: kernel.org

Advisory: seclists.org
Researcher: Andrew Honig
Organization: Google Inc.
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-1797 (🔍)

SecurityFocus: 58605
Secunia: 52630 - KVM Multiple Vulnerabilities, Less Critical
OSVDB: 91562
Vulnerability Center: 38856 - Linux Kernel Remote Arbitrary Code Execution Vulnerability - CVE-2013-1797, Critical


Created: 03/25/2013 03:17 PM
Updated: 05/06/2021 02:42 PM
Changes: 03/25/2013 03:17 PM (52), 04/26/2017 09:13 AM (32), 05/06/2021 02:39 PM (4), 05/06/2021 02:42 PM (1)
Complete: 🔍
Cache ID: 44:33B:40


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