description: xen/arm: No memory limit for dom0less domUs The dom0less feature allows an administrator to create multiple unprivileged domains directly from Xen. Unfortunately, the memory limit from them is not set. This allow a domain to allocate memory beyond what an administrator originally configured.
problem types: unknown
affected:
{
product: xen
vendor: Xen
versions:
status: affected, version: 4.12.x
}
{
product: xen
vendor: Xen
versions:
lessThan: 4.12, status: unknown, version: unspecified, versionType: custom
lessThan: unspecified, status: affected, version: 4.13.x, versionType: custom
lessThan: unspecified, status: unaffected, version: next of xen-unstable, versionType: custom
}
metrics:
other: [
content: {'description': {'description_data': [{'lang': 'eng', 'value': 'Malicious dom0less guest could drive Xen out of memory and may\nresult to a Denial of Service (DoS) attack affecting the entire\nsystem.'}]}}
type: unknown
]