CVE Catalog

CVE-2015-5166

High
Published: Translated: NVD NIST

Summary

Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, allowing local HVM guest users to gain privileges by unplugging a block device twice.

Risk Assessment

The organization may be exposed to unauthorized access by local users, potentially leading to privilege escalation.

Recommendation

It is recommended to upgrade to a newer version of Xen that fixes this vulnerability and to monitor system access for unauthorized activities.

Related vulnerabilities

Original NVD description (English source)

Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS