All vulnerabilities

Servers and applications

CVE-2020-11740

An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obtain sensitive information about other guests. Unprivileged guests can request to map xenoprof buffers, even if profiling has not been enabled for those guests. These buffers were not scrubbed.

Severity
Medium 5.5
Published
14 Apr 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 3.2.0 up to 4.13.0
  • Version 4.13.0-rc1
  • Version 4.13.0-rc2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-11740
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-11740