UpHeron
All vulnerabilities

Servers and applications

CVE-2022-26356

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XEN_DMOP_track_dirty_vram (was named HVMOP_track_dirty_vram before Xen 4.9) is racy with ongoing log dirty hypercalls. A suitably timed call to XEN_DMOP_track_dirty_vram can enable log dirty while another CPU is still in the process of tearing down the structures related to a…

Severity
Medium 5.6
Published
5 Apr 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.12.0, 4.14.0, 4.16.0
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • From 4.0.0 before 4.12.0
  • From 4.13.0 before 4.14.0
  • From 4.15.0 before 4.16.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-26356
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-26356