CVE-2015-5166 describes a use-after-free vulnerability in QEMU, specifically within Xen 4.5.x and earlier, where emulated block devices are not completely unplugged. This flaw allows local HVM guest users to escalate privileges by repeatedly unplugging a block device. With a CVSS score of 7.2, this vulnerability is considered high severity, requiring local access with low attack complexity, and potentially leading to complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB) is unavailable, and community discussion and media coverage are minimal, suggesting limited current attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
21CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* | ||
22CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* | ||
<= 4.5.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* | ||
4.5.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.