CVE-2012-6031: Xen

Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days.

The do_tmem_get function in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (CPU hang and host crash) via unspecified vectors related to a spinlock being held in the "bad_copy error path." NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.

Affected products

• Xen Xen: version 4.0.0 only; version 4.1.0 only; version 4.2.0 only

Published 2012-11-23. Last modified 2026-06-16.