Vulnerability Database

289,697

Total vulnerabilities in the database

CVE-2020-29485

An issue was discovered in Xen 4.6 through 4.14.x. When acting upon a guest XS_RESET_WATCHES request, not all tracking information is freed. A guest can cause unbounded memory usage in oxenstored. This can lead to a system-wide DoS. Only systems using the Ocaml Xenstored implementation are vulnerable. Systems using the C Xenstored implementation are not vulnerable.

  • Published: Dec 15, 2020
  • Updated: Apr 14, 2023
  • CVE: CVE-2020-29485
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.5
  • AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 4.9
  • AV:L/AC:L/Au:N/C:N/I:N/A:C

CWEs:

Software From Fixed in
xen / xen 4.6.0 4.14.0.x
debian / debian_linux 10.0 10.0.x
fedoraproject / fedora 32 32.x
fedoraproject / fedora 33 33.x