CVE-2013-4361
Fixed in a distro release EPSS <1%
The fbld instruction emulation in Xen 3.3.x through 4.3.x does not use the correct variable for the source effective address, which allows local HVM guests to obtain hypervisor stack information by reading the values used by the instruction.
Products: xen
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | xen | 4.4.0-1 |
| Debian 13 | xen | 4.4.0-1 |
| Debian 14 | xen | 4.4.0-1 |
| Debian 7 | xen | 4.1.4-3+deb7u2 |
| openSUSE Tumbleweed | xen | 4.7.0_12-1.3 |