CVE-2011-2527

CVE-2011-2527 is a low-severity vulnerability in Qemu with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Description

The change_process_uid 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.

Frequently asked questions

What is CVE-2011-2527?
The change_process_uid 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.
How severe is CVE-2011-2527?
CVE-2011-2527 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2011-2527 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2527?
CVE-2011-2527 primarily affects Qemu. In total, 57 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2527?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2527 published?
CVE-2011-2527 was published on 2012-06-21 and last updated on 2026-06-16.

References

Affected products (57)

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