CVE-2019-17348 describes a denial-of-service vulnerability in Xen through version 4.11.x, affecting x86 PV guest operating systems, specifically Debian Linux. The issue stems from an incompatibility between Process Context Identifiers (PCID) and shadow-pagetable switching, allowing a low-privileged guest user to crash the system. With a CVSS score of 6.5 (Medium), this vulnerability requires local access and low attack complexity to achieve high availability impact. There is no evidence of active exploitation, public exploit code, 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:N/I:N/A:H
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