CVE-2011-2527

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-06-21 · updated 2026-06-16
Weakness: CWE-264

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.

Affected products

QEMU: through 0.14.0; 0.1.0, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5 (+47)

References

http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081972.html
http://lists.opensuse.org/opensuse-updates/2012-02/msg00009.html
http://rhn.redhat.com/errata/RHSA-2011-1531.html
http://secunia.com/advisories/45187
http://secunia.com/advisories/45188
http://secunia.com/advisories/45419
http://secunia.com/advisories/47157
http://secunia.com/advisories/47992
http://ubuntu.com/usn/usn-1177-1
http://www.openwall.com/lists/oss-security/2011/07/12/15
http://www.openwall.com/lists/oss-security/2011/07/12/5
http://www.osvdb.org/74752

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