UpHeron
All vulnerabilities

Servers and applications

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.

Severity
Medium 5.5
Published
15 Dec 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • From 4.6.0 up to 4.14.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-29485
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-29485