CVE-2010-0298: Debian Linux

Medium severity, CVSS 6.5. EPSS: 2.4% chance of exploitation in the next 30 days.

The x86 emulator in KVM 83 does not use the Current Privilege Level (CPL) and I/O Privilege Level (IOPL) in determining the memory access available to CPL3 code, 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, a related issue to CVE-2010-0306.

Affected products

• Debian Debian Linux: version 5.0 only
• Linux Linux Kernel: from 2.6.28, up to and including 2.6.33

Published 2010-02-12. Last modified 2026-06-16.