Description
Use-after-free vulnerability in Xen 4.2.x, 4.3.x, and 4.4.x allows remote domains to cause a denial of service (system crash) via a crafted hypercall during HVM guest teardown.
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 | 4.4.1-7 | — |
| Debian 13 | xen | 4.4.1-7 | — |
| Debian 12 | xen | 4.4.1-7 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | xen | 4.4.1-0ubuntu0.14.04.4 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | xen | 4.4.1_10-9.1 | SUSE-SU-2015:0613-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | xen | 4.4.1_10-9.1 | SUSE-SU-2015:0613-1 |
Advisories 1
- SUSE-SU-2015:0613-1 Security update for Xen SUSE / openSUSE Security Updates · Feb 4, 2026
References
- FEDORA-2015-0345 vendor-advisory
- GLSA-201504-04 vendor-advisory
- 1031498 vdb-entry
- 71882 vdb-entry
- FEDORA-2015-0331 vendor-advisory
- http://xenbits.xen.org/xsa/advisory-116.html
- openSUSE-SU-2015:0226 vendor-advisory
- openSUSE-SU-2015:0256 vendor-advisory