CVE-2017-17563
Fixed in a distro release EPSS <1%
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode.
Products: xen
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Alpine 3.4 | xen | 4.6.6-r3 |
| Alpine 3.5 | xen | 4.7.3-r5 |
| Alpine 3.6 | xen | 4.8.2-r5 |
| Debian 12 | xen | 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 |
| Debian 13 | xen | 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 |
| Debian 14 | xen | 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 |
| Debian 7 | xen | 4.1.6.lts1-11 |
| Debian 8 | xen | 4.4.4lts2-0+deb8u1 |
| Debian 9 | xen | 4.8.3+comet2+shim4.10.0+comet3-1+deb9u4.1 |
| SUSE Linux Enterprise Desktop 12 SP2 | xen | 4.7.4_06-43.24.1 |
| SUSE Linux Enterprise Desktop 12 SP3 | xen | 4.9.1_08-3.26.1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | xen | 4.2.5_21-45.19.1 |
| SUSE Linux Enterprise Server 11 SP3-LTSS | xen | 4.2.5_21-45.19.1 |
| SUSE Linux Enterprise Server 11 SP4 | xen | 4.4.4_28-61.23.2 |
| SUSE Linux Enterprise Server 12 SP1-LTSS | xen | 4.5.5_24-22.43.1 |
| SUSE Linux Enterprise Server 12 SP2 | xen | 4.7.4_06-43.24.1 |
| SUSE Linux Enterprise Server 12 SP3 | xen | 4.9.1_08-3.26.1 |
| SUSE Linux Enterprise Server 12-LTSS | xen | 4.4.4_28-22.62.1 |
| SUSE Linux Enterprise Server for SAP Applications 11 SP4 | xen | 4.4.4_28-61.23.2 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP1 | xen | 4.5.5_24-22.43.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | xen | 4.7.4_06-43.24.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | xen | 4.9.1_08-3.26.1 |
| SUSE Linux Enterprise Software Development Kit 11 SP4 | xen | 4.4.4_28-61.23.2 |
| SUSE Linux Enterprise Software Development Kit 12 SP2 | xen | 4.7.4_06-43.24.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP3 | xen | 4.9.1_08-3.26.1 |
| SUSE OpenStack Cloud 6 | xen | 4.5.5_24-22.43.1 |
| Ubuntu 16.04 LTS | xen | no fix |
| Ubuntu 18.04 LTS | xen | 4.9.2-0ubuntu1 |