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VULNERABILITIES

CVE-2014-8481 Details

Description

The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel before 3.18-rc2 does not properly handle invalid instructions, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) via a crafted application that triggers (1) an improperly fetched instruction or (2) an instruction that occupies too many bytes. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8480.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a430c9166312e1aa3d80bce32374233bdbfeba32 CVE
https://bugzilla.redhat.com/show_bug.cgi?id=1156615 CVE
http://secunia.com/advisories/62042 CVE
https://github.com/torvalds/linux/commit/a430c9166312e1aa3d80bce32374233bdbfeba32 CVEExploit
http://thread.gmane.org/gmane.comp.emulators.kvm.devel/128427 CVE

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-399Resource Management Errors[email protected]

Affected Products

ProductVersions
linux linux kernel
<= 3.18

CPE

  • cpe:2.3:o:linux:linux_kernel:*:rc1:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2014-8481
NVD Published Date:
Nov 10, 2014
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]