CVE-2011-2527: Low severity qemu vulnerability

Published Jun 21, 2012
·
Updated

The changeprocessuid function in os-posix.c in Qemu 0.14.0 and earlier does not properly drop group privileges when the -runas option is used, which allows local guest users to access restricted files on the host.

Affected Software

59 affected components
debian/kvm
debian/qemu-kvm
Qemu Qemu=0.12.2
Qemu Qemu=0.12.0-rc2
Qemu Qemu=0.1.6
Qemu Qemu=0.13.0-rc0
Qemu Qemu=0.4.2
Qemu Qemu=0.10.3
Qemu Qemu=0.11.0-rc1
Qemu Qemu=0.1.5
Qemu Qemu=0.13.0
Qemu Qemu=0.8.2
Qemu Qemu=0.11.0-rc1
Qemu Qemu=0.10.1
Qemu Qemu=0.9.0
Qemu Qemu=0.7.2
Qemu Qemu=0.11.0-rc2
Qemu Qemu=0.12.5
Qemu Qemu=0.11.0
Qemu Qemu=0.1.3
Qemu Qemu=0.14.0-rc0
Qemu Qemu=0.12.0-rc1
Qemu Qemu=0.11.1
Qemu Qemu=0.7.1
Qemu Qemu=0.9.1-5
Qemu Qemu=0.13.0-rc1
Qemu Qemu=0.15.0-rc1
Qemu Qemu<=0.14.0
Qemu Qemu=0.12.0
Qemu Qemu=0.14.1
Qemu Qemu=0.8.1
Qemu Qemu=0.11.0-rc2
Qemu Qemu=0.10.0
Qemu Qemu=0.4.1
Qemu Qemu=0.12.3
Qemu Qemu=0.1.1
Qemu Qemu=0.7.0
Qemu Qemu=0.11.0-rc0
Qemu Qemu=0.1.4
Qemu Qemu=0.9.1
Qemu Qemu=0.6.0
Qemu Qemu=0.6.1
Qemu Qemu=0.14.0-rc2
Qemu Qemu=0.10.6
Qemu Qemu=0.14.0-rc1
Qemu Qemu=0.11.0-rc0
Qemu Qemu=0.4.3
Qemu Qemu=0.1.2
Qemu Qemu=0.12.4
Qemu Qemu=0.10.5
Qemu Qemu=0.10.4
Qemu Qemu=0.10.2
Qemu Qemu=0.15.0-rc2
Qemu Qemu=0.12.1
Qemu Qemu=0.8.0
Qemu Qemu=0.1.0
Qemu Qemu=0.2.0
Qemu Qemu=0.3.0
Qemu Qemu=0.4.0

Event History

Jun 21, 2012
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2011-2527?

CVE-2011-2527 is considered a moderate vulnerability, allowing local guest users to access restricted files on the host.

2

How do I fix CVE-2011-2527?

To fix CVE-2011-2527, upgrade to Qemu version 0.14.1 or later, which addresses the privilege dropping issue.

3

What systems are affected by CVE-2011-2527?

CVE-2011-2527 affects Qemu versions up to and including 0.14.0, particularly in KVM setups.

4

Can I exploit CVE-2011-2527 remotely?

No, CVE-2011-2527 requires local access to exploit the vulnerability.

5

What is the impact of CVE-2011-2527 on host security?

The impact of CVE-2011-2527 is that it allows unauthorized access to sensitive files on the host system, potentially compromising host security.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203