CVE-2016-6259
Fixed in a distro release EPSS <1%
Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.
Products: xen, citrix xenserver
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Alpine 3.10 | xen | 4.7.0-r0 |
| Alpine 3.11 | xen | 4.7.0-r0 |
| Alpine 3.12 | xen | 4.7.0-r0 |
| Alpine 3.13 | xen | 4.7.0-r0 |
| Alpine 3.14 | xen | 4.7.0-r0 |
| Alpine 3.15 | xen | 4.7.0-r0 |
| Alpine 3.16 | xen | 4.7.0-r0 |
| Alpine 3.17 | xen | 4.7.0-r0 |
| Alpine 3.18 | xen | 4.7.0-r0 |
| Alpine 3.19 | xen | 4.7.0-r0 |
| Alpine 3.20 | xen | 4.7.0-r0 |
| Alpine 3.21 | xen | 4.7.0-r0 |
| Alpine 3.22 | xen | 4.7.0-r0 |
| Alpine 3.23 | xen | 4.7.0-r0 |
| Alpine 3.24 | xen | 4.7.0-r0 |
| Alpine 3.4 | xen | 4.6.3-r1 |
| Alpine 3.5 | xen | 4.7.0-r0 |
| Alpine 3.6 | xen | 4.7.0-r0 |
| Alpine 3.7 | xen | 4.7.0-r0 |
| Alpine 3.8 | xen | 4.7.0-r0 |
| Alpine 3.9 | xen | 4.7.0-r0 |
| Debian 12 | xen | 4.8.0~rc3-1 |
| Debian 13 | xen | 4.8.0~rc3-1 |
| Debian 14 | xen | 4.8.0~rc3-1 |
| SUSE Linux Enterprise Desktop 12 SP1 | xen | 4.5.3_08-17.1 |
| SUSE Linux Enterprise Desktop 12 SP1 | xen | 4.5.3_10-20.1 |
| SUSE Linux Enterprise Server 12 SP1 | xen | 4.5.3_08-17.1 |
| SUSE Linux Enterprise Server 12 SP1 | xen | 4.5.3_10-20.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP1 | xen | 4.5.3_08-17.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP1 | xen | 4.5.3_10-20.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP1 | xen | 4.5.3_08-17.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP1 | xen | 4.5.3_10-20.1 |
| Ubuntu 16.04 LTS | xen | 4.6.0-1ubuntu4.2 |
| openSUSE Tumbleweed | xen | 4.7.0_12-1.3 |