Description
Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging an incorrect choice for software interrupt delivery.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | xen | 4.8.0-1 | — |
| Debian 13 | xen | 4.8.0-1 | — |
| Debian 12 | xen | 4.8.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | xen | 4.6.0-1ubuntu4.3 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | xen | 4.7.1_02-25.1 | SUSE-SU-2016:3067-1 |
| SLES 12 SP1 | xen | 4.5.5_02-22.3.1 | SUSE-SU-2016:3083-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | xen | 4.7.1_02-25.1 | SUSE-SU-2016:3067-1 |
| SLES for SAP 12 SP1 | xen | 4.5.5_02-22.3.1 | SUSE-SU-2016:3083-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | xen | 4.7.1-r1 | — |
| Alpine v3.23 | xen | 4.7.1-r1 | — |
| Alpine v3.22 | xen | 4.7.1-r1 | — |
| Alpine v3.21 | xen | 4.7.1-r1 | — |
| Alpine v3.20 | xen | 4.7.1-r1 | — |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | xen | 4.7.1-r1 | — |
| Alpine v3.18 | xen | 4.7.1-r1 | — |
| Alpine v3.17 | xen | 4.7.1-r1 | — |
| Alpine v3.16 | xen | 4.7.1-r1 | — |
| Alpine v3.15 | xen | 4.7.1-r1 | — |
| Alpine v3.14 | xen | 4.7.1-r1 | — |
| Alpine v3.13 | xen | 4.7.1-r1 | — |
| Alpine v3.12 | xen | 4.7.1-r1 | — |
| Alpine v3.11 | xen | 4.7.1-r1 | — |
| Alpine v3.10 | xen | 4.7.1-r1 | — |
| Alpine v3.9 | xen | 4.7.1-r1 | — |
| Alpine v3.8 | xen | 4.7.1-r1 | — |
| Alpine v3.7 | xen | 4.7.1-r1 | — |
| Alpine v3.6 | xen | 4.7.1-r1 | — |
| Alpine v3.5 | xen | 4.7.1-r1 | — |
Advisories 2
- SUSE-SU-2016:3067-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3083-1 Security update for xen SUSE / openSUSE Security Updates · May 2, 2025
References
- GLSA-201612-56 vendor-advisory
- 94475 vdb-entry
- http://xenbits.xen.org/xsa/advisory-196.html
- 1037345 vdb-entry