CVE-2010-0419

kvm: emulator privilege escalation segment selector check

Published Mar 5, 2010 CVSS 2.0 · 4.4 Medium EPSS < 1% KEV · Not listed
Description
The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing (SMP), does not properly restrict writing of segment selectors to segment registers, which might allow 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-2010-1 New kvm packages fix several vulnerabilities
EUVD EUVD EUVD-2010-0450 The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing (SMP), does not properly restrict writing of segment selectors to segment registers, which might allow 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.
Ubuntu USN Ubuntu USN USN-947-1 Linux kernel vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 7, 2024, 12:45 AM
Reserved
Jan 27, 2010, 12:00 AM
Status
Modified
Published
Mar 5, 2010, 4:30 PM
Modified
Jun 16, 2026, 11:16 PM
Severity
Important
Public date
Mar 1, 2010, 12:00 AM