Description
The grant-table feature in Xen through 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3.
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 | 4.8.1-1+deb9u3 | — |
| Debian 13 | xen | 4.8.1-1+deb9u3 | — |
| Debian 12 | xen | 4.8.1-1+deb9u3 | — |
| Debian 9 | xen | 4.8.1-1+deb9u3 | DSA-3969-1 |
| Debian 8 | xen | 4.4.1-9+deb8u10 | DSA-3969-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | xen | 4.1.6.lts1-9 | DLA-1132-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | xen | 4.6.5-0ubuntu1.2 | — |
| Ubuntu 14.04 LTS | xen | 4.4.2-0ubuntu0.14.04.12 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | xen | 4.5.5_12-22.18.1 | SUSE-SU-2017:1812-1 |
| SLES 12 | xen | 4.4.4_21-22.42.1 | SUSE-SU-2017:1795-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | xen | 4.5.5_12-22.18.1 | SUSE-SU-2017:1812-1 |
| SLES for SAP 12 | xen | 4.4.4_21-22.42.1 | SUSE-SU-2017:1795-1 |
| SUSE OpenStack Cloud 6 | xen | 4.5.5_12-22.18.1 | SUSE-SU-2017:1812-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | xen | 4.9.0-r0 | — |
| Alpine v3.23 | xen | 4.9.0-r0 | — |
| Alpine v3.22 | xen | 4.9.0-r0 | — |
| Alpine v3.21 | xen | 4.9.0-r0 | — |
| Alpine v3.20 | xen | 4.9.0-r0 | — |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | xen | 4.9.0-r0 | — |
| Alpine v3.18 | xen | 4.9.0-r0 | — |
| Alpine v3.17 | xen | 4.9.0-r0 | — |
| Alpine v3.16 | xen | 4.9.0-r0 | — |
| Alpine v3.15 | xen | 4.9.0-r0 | — |
| Alpine v3.14 | xen | 4.9.0-r0 | — |
| Alpine v3.13 | xen | 4.9.0-r0 | — |
| Alpine v3.12 | xen | 4.9.0-r0 | — |
| Alpine v3.11 | xen | 4.9.0-r0 | — |
| Alpine v3.10 | xen | 4.9.0-r0 | — |
| Alpine v3.9 | xen | 4.9.0-r0 | — |
| Alpine v3.8 | xen | 4.9.0-r0 | — |
| Alpine v3.7 | xen | 4.9.0-r0 | — |
| Alpine v3.6 | xen | 4.8.2-r0 | — |
| Alpine v3.5 | xen | 4.7.3-r0 | — |
| Alpine v3.4 | xen | 4.6.6-r0 | — |
| Alpine v3.3 | xen | 4.6.6-r0 | — |
Advisories 4
- DSA-3969-1 xen - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1132-1 xen - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:1795-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1812-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
References
- GLSA-201708-03 vendor-advisory
- DSA-3969 vendor-advisory
- 1038734 vdb-entry
- https://xenbits.xen.org/xsa/advisory-224.html
- GLSA-201710-17 vendor-advisory