CVE-2015-4164
Fixed in a distro release EPSS <1%
The compat_iret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service (large loop and system hang) via a hypercall_iret call with EFLAGS.VM set.
Products: xen
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | xen | 4.6.0-1 |
| Debian 13 | xen | 4.6.0-1 |
| Debian 14 | xen | 4.6.0-1 |
| Debian 7 | xen | 4.1.4-3+deb7u8 |
| Debian 8 | xen | 4.4.1-9+deb8u1 |
| SUSE Linux Enterprise Desktop 11 SP3 | xen | 4.2.5_12-15.1 |
| SUSE Linux Enterprise Desktop 12 | xen | 4.4.2_06-21.1 |
| SUSE Linux Enterprise Server 11 SP3 | xen | 4.2.5_12-15.1 |
| SUSE Linux Enterprise Server 11 SP3-TERADATA | xen | 4.2.5_12-15.1 |
| SUSE Linux Enterprise Server 12 | xen | 4.4.2_06-21.1 |
| SUSE Linux Enterprise Server for SAP Applications 11 SP3 | xen | 4.2.5_12-15.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 | xen | 4.4.2_06-21.1 |
| SUSE Linux Enterprise Software Development Kit 11 SP3 | xen | 4.2.5_12-15.1 |
| SUSE Linux Enterprise Software Development Kit 12 | xen | 4.4.2_06-21.1 |
| Ubuntu 14.04 LTS | xen | 4.4.2-0ubuntu0.14.04.2 |