Description
Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | xen | 4.5.3_10-20.1 | SUSE-SU-2016:2473-1 |
| SLES 12 | xen | 4.4.4_04-22.22.2 | SUSE-SU-2016:2533-1 |
| SLES 11 SP4 | xen | 4.4.4_08-40.2 | SUSE-SU-2016:2507-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | xen | 4.5.3_10-20.1 | SUSE-SU-2016:2473-1 |
| SLES for SAP 12 | xen | 4.4.4_04-22.22.2 | SUSE-SU-2016:2533-1 |
| SLES for SAP 11 SP4 | xen | 4.4.4_08-40.2 | SUSE-SU-2016:2507-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xen | 4.7.0_12-1.3 | openSUSE-SU-2024:10196-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | xen | 4.7.0-r1 | — |
| Alpine v3.23 | xen | 4.7.0-r1 | — |
| Alpine v3.22 | xen | 4.7.0-r1 | — |
| Alpine v3.21 | xen | 4.7.0-r1 | — |
| Alpine v3.20 | xen | 4.7.0-r1 | — |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | xen | 4.7.0-r1 | — |
| Alpine v3.18 | xen | 4.7.0-r1 | — |
| Alpine v3.17 | xen | 4.7.0-r1 | — |
| Alpine v3.16 | xen | 4.7.0-r1 | — |
| Alpine v3.15 | xen | 4.7.0-r1 | — |
| Alpine v3.14 | xen | 4.7.0-r1 | — |
| Alpine v3.13 | xen | 4.7.0-r1 | — |
| Alpine v3.12 | xen | 4.7.0-r1 | — |
| Alpine v3.11 | xen | 4.7.0-r1 | — |
| Alpine v3.10 | xen | 4.7.0-r1 | — |
| Alpine v3.9 | xen | 4.7.0-r1 | — |
| Alpine v3.8 | xen | 4.7.0-r1 | — |
| Alpine v3.7 | xen | 4.7.0-r1 | — |
| Alpine v3.6 | xen | 4.7.0-r1 | — |
| Alpine v3.5 | xen | 4.7.0-r1 | — |
| Alpine v3.4 | xen | 4.6.3-r2 | — |
Advisories 4
- SUSE-SU-2016:2507-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2473-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2533-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10196-1 xen-4.7.0_12-1.3 on GA media SUSE / openSUSE Security Updates · May 7, 2025