CVE-2021-28700
Fixed in a distro release EPSS 2%
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.
Products: xen
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Alpine 3.11 | xen | 4.13.3-r2 |
| Alpine 3.12 | xen | 4.13.3-r2 |
| Alpine 3.13 | xen | 4.14.2-r0 |
| Alpine 3.14 | xen | 4.15.0-r2 |
| Alpine 3.15 | xen | 4.15.0-r2 |
| Alpine 3.16 | xen | 4.15.0-r2 |
| Alpine 3.17 | xen | 4.15.0-r2 |
| Alpine 3.18 | xen | 4.15.0-r2 |
| Alpine 3.19 | xen | 4.15.0-r2 |
| Alpine 3.20 | xen | 4.15.0-r2 |
| Alpine 3.21 | xen | 4.15.0-r2 |
| Alpine 3.22 | xen | 4.15.0-r2 |
| Alpine 3.23 | xen | 4.15.0-r2 |
| Alpine 3.24 | xen | 4.15.0-r2 |
| Debian 11 | xen | 4.14.3-1~deb11u1 |
| Debian 12 | xen | 4.14.3-1 |
| Debian 13 | xen | 4.14.3-1 |
| Debian 14 | xen | 4.14.3-1 |
| SUSE Enterprise Storage 6 | xen | 4.12.4_12-3.52.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | xen | 4.12.4_12-3.52.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | xen | 4.12.4_12-3.52.1 |
| SUSE Linux Enterprise Micro 5.0 | xen | 4.13.3_02-3.34.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP2 | xen | 4.13.3_02-3.34.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | xen | 4.14.2_04-3.9.1 |
| SUSE Linux Enterprise Module for Server Applications 15 SP2 | xen | 4.13.3_02-3.34.1 |
| SUSE Linux Enterprise Module for Server Applications 15 SP3 | xen | 4.14.2_04-3.9.1 |
| SUSE Linux Enterprise Server 12 SP5 | xen | 4.12.4_12-3.49.1 |
| SUSE Linux Enterprise Server 15 SP1-BCL | xen | 4.12.4_12-3.52.1 |
| SUSE Linux Enterprise Server 15 SP1-LTSS | xen | 4.12.4_12-3.52.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | xen | 4.12.4_12-3.49.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | xen | 4.12.4_12-3.52.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP5 | xen | 4.12.4_12-3.49.1 |
| SUSE Manager Proxy 4.0 | xen | 4.12.4_12-3.52.1 |
| SUSE Manager Retail Branch Server 4.0 | xen | 4.12.4_12-3.52.1 |
| SUSE Manager Server 4.0 | xen | 4.12.4_12-3.52.1 |
| Ubuntu 16.04 LTS | xen | no fix |
| Ubuntu 18.04 LTS | xen | no fix |
| Ubuntu 20.04 LTS | xen | no fix |
| Ubuntu 22.04 LTS | xen | no fix |
| Ubuntu 24.04 LTS | xen | no fix |
| Ubuntu 25.10 | xen | no fix |
| Ubuntu 26.04 LTS | xen | no fix |
| Ubuntu 26.10 | xen | no fix |
| openSUSE Leap 15.2 | xen | 4.13.3_02-lp152.2.27.1 |
| openSUSE Leap 15.3 | xen | 4.14.2_04-3.9.1 |