CVE-2017-12855 describes a Xen vulnerability where the hypervisor prematurely clears grant status bits, leading guests to believe granted frames are private and reusable while still in use by another domain. This could allow a malicious guest to access sensitive information from another guest. Affecting Xen versions 4.5 through 4.9, this vulnerability has a CVSS score of 6.5 (Medium) with a local attack vector and high confidentiality impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.5.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* | ||
4.5.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:* | ||
4.5.2CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:* | ||
4.5.3CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:* | ||
4.5.5CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.5.5:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.