CVE-2019-17346 is a high-severity vulnerability affecting Xen through version 4.11.x, specifically impacting x86 PV guest operating systems. It stems from an incompatibility between Process Context Identifiers (PCID) and TLB flushes, allowing a malicious guest OS user to cause a denial of service or escalate privileges. With a CVSS score of 8.8, this local vulnerability requires low privileges and has high impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.11.2CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.