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Servers and applications

CVE-2018-12892

An issue was discovered in Xen 4.7 through 4.10.x. libxl fails to pass the readonly flag to qemu when setting up a SCSI disk, due to what was probably an erroneous merge conflict resolution. Malicious guest administrators or (in some situations) users may be able to write to supposedly read-only disk images. Only emulated SCSI disks (specified as "sd" in the libxl disk configuration, or an…

Severity
Critical 9.9
Published
2 Jul 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.5% in the next 30 daysHigher than 84% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • From 4.7.0 up to 4.10.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-12892
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-12892