CVE-2016-3159 is a vulnerability in Xen 4.x, specifically affecting the fpu_fxrstor function on AMD64 processors, which allows local guest OS users to extract sensitive register content from other guests due to improper handling of FSW.ES bit writes. This low-severity vulnerability (CVSS 3.8) requires local access to a guest OS and could lead to information disclosure, stemming from an incorrect fix for CVE-2013-2076. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.3CPE matchmatch criteria | cpe:2.3:o:oracle:vm_server:3.3:*:*:*:*:*:*:* | ||
3.4CPE matchmatch criteria | cpe:2.3:o:oracle:vm_server:3.4:*:*:*:*:*:*:* | ||
>= 4.3.0, <= 4.3.4CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* | ||
>= 4.4.0, <= 4.4.4CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* | ||
>= 4.5.0, <= 4.5.3CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.