Vulnerability Details : CVE-2010-0306

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.
Published 2010-02-12 19:30:01
Updated 2025-04-11 00:51:22
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2010-0306

Exploit prediction scoring system (EPSS) score for CVE-2010-0306

EPSS FAQ
0.10%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2010-0306

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.1
 MEDIUM AV:L/AC:M/Au:S/C:P/I:P/A:P
2.7
6.4
 NIST

CWE ids for CVE-2010-0306

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2010-0306

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