Linux Kernel 3.8.13 invirt/kvm/kvm_main.c _kvm_set_memory_region resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Linux Kernel 3.8.13 (Operating System). Affected by this issue is the function _kvm_set_memory_region of the file invirt/kvm/kvm_main.c. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

Memory leak in the __kvm_set_memory_region function in virt/kvm/kvm_main.c in the Linux kernel before 3.9 allows local users to cause a denial of service (memory consumption) by leveraging certain device access to trigger movement of memory slots.

The weakness was shared 12/10/2012 by Marco Tosatti and Avi Kivity with Redhat as KVM: perform an invalid memslot step for gpa base change as confirmed advisory (Website). The advisory is available at git.kernel.org. The vendor cooperated in the coordination of the public release. This vulnerability is handled as CVE-2013-4592 since 06/12/2013. The exploitation is known to be difficult. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 71511 (Mandriva Linux Security Advisory : kernel (MDVSA-2013:291)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195829 (Ubuntu Security Notification for Linux Vulnerabilities (USN-2066-1)).

Upgrading to version 3.9 eliminates this vulnerability. The upgrade is hosted for download at kernel.org. 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 upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (89029) and Tenable (71511). rhn.redhat.com is providing further details. The entries 11090, 11094, 11158 and 11235 are related to this item.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.1
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Nessus ID: 71511
Nessus Name: Mandriva Linux Security Advisory : kernel (MDVSA-2013:291)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 841677
OpenVAS Name: Ubuntu Update for linux USN-2066-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Upgrade: Kernel 3.9
Patch: git.kernel.org

Timelineinfo

12/10/2012 🔍
12/10/2012 +0 days 🔍
06/12/2013 +184 days 🔍
11/18/2013 +158 days 🔍
11/18/2013 +0 days 🔍
11/20/2013 +2 days 🔍
11/21/2013 +1 days 🔍
11/22/2013 +1 days 🔍
12/15/2013 +23 days 🔍
06/02/2021 +2726 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: KVM: perform an invalid memslot step for gpa base change
Researcher: Marco Tosatti, Avi Kivity
Organization: Redhat
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-4592 (🔍)
OVAL: 🔍

X-Force: 89029
Vulnerability Center: 42563 - Linux Kernel Before 3.9 Local Denial of Service via Triggered Movement of Memory Slots (CVE-2013-4592), Medium
SecurityFocus: 63790
Secunia: 55800 - Red Hat update for kernel, Less Critical
OSVDB: 100002

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Entryinfo

Created: 11/22/2013 13:27
Updated: 06/02/2021 12:22
Changes: 11/22/2013 13:27 (84), 05/17/2017 08:59 (3), 06/02/2021 12:15 (4), 06/02/2021 12:22 (1)
Complete: 🔍

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