CVE-2014-8481 — MEDIUM (4.9)

Q: How severe is CVE-2014-8481?

CVE-2014-8481 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2014-8481?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.

Vulnerability 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.

CVSS Score

4.9

MEDIUM

AV:L/AC:L/Au:N/C:N/I:N/A:C

Confidentiality

NONE

Integrity

NONE

Availability

COMPLETE

Affected Products

Vendor	Product	Versions
Linux	Linux Kernel	<= 3.18

Related Weaknesses (CWE)

CWE-399

References

FAQ

What is CVE-2014-8481?

CVE-2014-8481 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 ...

How severe is CVE-2014-8481?

CVE-2014-8481 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2014-8481?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.