CVE-2020-15564 is a Denial of Service vulnerability in Xen through 4.13.x, specifically affecting Arm systems. A malicious Arm guest OS user can trigger a hypervisor crash by providing a misaligned address to the VCPUOP_register_vcpu_info hypercall, which lacks an alignment check. This vulnerability has a CVSS score of 6.5 (Medium), indicating a low attack complexity and privilege requirement, with a high impact on availability. There is currently no known public exploit code (Metasploit, Nuclei, ExploitDB), and it is not listed in the CISA KEV catalog, suggesting no active exploitation. Community discussion and media coverage are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.8.0, <= 4.13.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:arm:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
31CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | ||
32CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* |
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
No social media mentions found for this CVE.
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.