CVE-2010-0306

MediumCVSS 4.1/10Last modified Jun 16, 2026

Description

The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing (SMP), does not use the Current Privilege Level (CPL) and I/O Privilege Level (IOPL) to restrict instruction execution, which allows guest OS users to cause a denial of service (guest OS crash) or gain privileges on the guest OS by leveraging access to a (1) IO port or (2) MMIO region, and replacing an instruction in between emulator entry and instruction fetch, a related issue to CVE-2010-0298.

Metrics

CVSS 2.0 4.1/10AV:L/AC:M/Au:S/C:P/I:P/A:P

Weakness enumeration

CWE-264

Affected software

No affected versions have been published.

Timeline

Published: Feb 12, 2010
Last modified: Jun 16, 2026
NVD status: Modified

Related CVEs from 2010

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