CVE-2018-18883
Fixed in a distro release EPSS <1%
An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.
Products: xen
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Alpine 3.10 | xen | 4.11.1-r0 |
| Alpine 3.11 | xen | 4.11.1-r0 |
| Alpine 3.12 | xen | 4.11.1-r0 |
| Alpine 3.13 | xen | 4.11.1-r0 |
| Alpine 3.14 | xen | 4.11.1-r0 |
| Alpine 3.15 | xen | 4.11.1-r0 |
| Alpine 3.16 | xen | 4.11.1-r0 |
| Alpine 3.17 | xen | 4.11.1-r0 |
| Alpine 3.18 | xen | 4.11.1-r0 |
| Alpine 3.19 | xen | 4.11.1-r0 |
| Alpine 3.20 | xen | 4.11.1-r0 |
| Alpine 3.21 | xen | 4.11.1-r0 |
| Alpine 3.22 | xen | 4.11.1-r0 |
| Alpine 3.23 | xen | 4.11.1-r0 |
| Alpine 3.24 | xen | 4.11.1-r0 |
| Alpine 3.6 | xen | 4.8.5-r0 |
| Alpine 3.7 | xen | 4.9.3-r1 |
| Alpine 3.8 | xen | 4.10.2-r1 |
| Alpine 3.9 | xen | 4.11.1-r0 |
| Debian 12 | xen | 4.11.1-1 |
| Debian 13 | xen | 4.11.1-1 |
| Debian 14 | xen | 4.11.1-1 |
| SUSE Linux Enterprise Desktop 12 SP3 | xen | 4.9.3_03-3.47.1 |
| SUSE Linux Enterprise Desktop 12 SP4 | xen | 4.11.1_02-2.3.1 |
| SUSE Linux Enterprise Module for Basesystem 15 | xen | 4.10.2_04-3.9.1 |
| SUSE Linux Enterprise Module for Server Applications 15 | xen | 4.10.2_04-3.9.1 |
| SUSE Linux Enterprise Server 12 SP3 | xen | 4.9.3_03-3.47.1 |
| SUSE Linux Enterprise Server 12 SP4 | xen | 4.11.1_02-2.3.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | xen | 4.9.3_03-3.47.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | xen | 4.11.1_02-2.3.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP3 | xen | 4.9.3_03-3.47.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP4 | xen | 4.11.1_02-2.3.1 |
| Ubuntu 18.04 LTS | xen | no fix |
| openSUSE Tumbleweed | xen | 4.15.1_01-1.2 |