Linux Kernel up to 3.17.2 invvpid Instruction access control

CVSS Meta Temp Score
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5.4$0-$5k0.00

A vulnerability classified as problematic was found in Linux Kernel up to 3.17.2 (Operating System). This vulnerability affects an unknown function of the component invvpid Instruction Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect availability. CVE summarizes:

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel through 3.17.2 does not have an exit handler for the INVVPID instruction, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application.

The weakness was presented 10/24/2014 with Intel Advanced Threat Research Team as Bug 1144825 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2014-3646 since 05/14/2014. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 78702 (CentOS 7 : kernel (CESA-2014:1724)), 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 167699 (SUSE Enterprise Linux Security update for Linux kernel (SUSE-SU-2015:0481-1) - (Deprecated)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the databases at X-Force (97773) and Tenable (78702). See 10108, 10110, 10114 and 11366 for similar entries.

Affected

  • Red Hat Linux 5/6/7

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.4

VulDB Base Score: 6.2
VulDB Temp Score: 5.4
VulDB Vector: 🔍
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NVD Base Score: 5.5
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CVSSv2info

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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

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Nessus ID: 78702
Nessus Name: CentOS 7 : kernel (CESA-2014:1724)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703060
OpenVAS Name: Debian Security Advisory DSA 3060-1 (linux - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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0-Day Time: 🔍

Patch: a642fc305053cc1c6e47e4f4df327895747ab485

Timelineinfo

05/14/2014 🔍
10/24/2014 +163 days 🔍
10/24/2014 +0 days 🔍
10/24/2014 +0 days 🔍
10/28/2014 +4 days 🔍
11/10/2014 +13 days 🔍
11/12/2014 +2 days 🔍
11/17/2014 +5 days 🔍
02/23/2022 +2655 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: Bug 1144825
Organization: Intel Advanced Threat Research Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-3646 (🔍)
OVAL: 🔍

X-Force: 97773 - Linux Kernel invvpid instruction support denial of service, Medium Risk
SecurityTracker: 1031202 - Linux Kernel KVM INVVPID Processing Flaw Lets Local Guest Users Deny Service on the Host System
Vulnerability Center: 47110 - Linux Kernel Through 3.17.2 Local DoS Vulnerability via a Crafted Application, Low
SecurityFocus: 70745 - Linux Kernel KVM CVE-2014-3646 Local Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 10/28/2014 14:57
Updated: 02/23/2022 19:08
Changes: 10/28/2014 14:57 (85), 06/12/2017 08:22 (1), 02/23/2022 18:53 (2), 02/23/2022 19:00 (10), 02/23/2022 19:08 (1)
Complete: 🔍

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