Description
An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users (in certain configurations) to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot.
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 | 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6 | — |
| Debian 13 | xen | 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6 | — |
| Debian 12 | xen | 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6 | — |
| Debian 9 | xen | 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6 | DSA-4201-1 |
| Debian 8 | xen | 4.4.4lts3-0+deb8u1 | DLA-1559-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | xen | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | xen | 4.9.2_04-3.29.1 | SUSE-SU-2018:1184-1 |
| SLES 12 SP2 | xen | 4.7.5_02-43.30.1 | SUSE-SU-2018:3230-1, SUSE-SU-2018:1216-1 |
| SLES 12 SP1 | xen | 4.5.5_24-22.46.1 | SUSE-SU-2018:1202-1 |
| SLES 12 | xen | 4.4.4_30-22.65.1 | SUSE-SU-2018:1177-1 |
| SLES 11 SP4 | xen | 4.4.4_30-61.26.1 | SUSE-SU-2018:1181-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP3 | xen | 4.2.5_21-45.22.1 | SUSE-SU-2018:1203-1 |
| SLES for SAP 12 SP3 | xen | 4.9.2_04-3.29.1 | SUSE-SU-2018:1184-1 |
| SLES for SAP 12 SP2 | xen | 4.7.5_02-43.30.1 | SUSE-SU-2018:1216-1 |
| SLES for SAP 12 SP1 | xen | 4.5.5_24-22.46.1 | SUSE-SU-2018:1202-1 |
| SLES for SAP 11 SP4 | xen | 4.4.4_30-61.26.1 | SUSE-SU-2018:1181-1 |
| SUSE OpenStack Cloud 7 | xen | 4.7.5_02-43.30.1 | SUSE-SU-2018:1216-1 |
| SUSE OpenStack Cloud 6 | xen | 4.5.5_24-22.46.1 | SUSE-SU-2018:1202-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | xen | 4.2.5_21-45.22.1 | SUSE-SU-2018:1203-1 |
| SUSE Enterprise Storage 4 | xen | 4.7.5_02-43.30.1 | SUSE-SU-2018:1216-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xen | 4.15.1_01-1.2 | openSUSE-SU-2024:11520-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | xen | 4.10.1-r0 | — |
| Alpine v3.23 | xen | 4.10.1-r0 | — |
| Alpine v3.22 | xen | 4.10.1-r0 | — |
| Alpine v3.21 | xen | 4.10.1-r0 | — |
| Alpine v3.20 | xen | 4.10.1-r0 | — |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | xen | 4.10.1-r0 | — |
| Alpine v3.18 | xen | 4.10.1-r0 | — |
| Alpine v3.17 | xen | 4.10.1-r0 | — |
| Alpine v3.16 | xen | 4.10.1-r0 | — |
| Alpine v3.15 | xen | 4.10.1-r0 | — |
| Alpine v3.14 | xen | 4.10.1-r0 | — |
| Alpine v3.13 | xen | 4.10.1-r0 | — |
| Alpine v3.12 | xen | 4.10.1-r0 | — |
| Alpine v3.11 | xen | 4.10.1-r0 | — |
| Alpine v3.10 | xen | 4.10.1-r0 | — |
| Alpine v3.9 | xen | 4.10.1-r0 | — |
| Alpine v3.8 | xen | 4.10.1-r0 | — |
| Alpine v3.7 | xen | 4.9.2-r1 | — |
| Alpine v3.6 | xen | 4.8.3-r1 | — |
| Alpine v3.5 | xen | 4.7.3-r9 | — |
| Alpine v3.4 | xen | 4.6.6-r5 | — |
Advisories 10
- DLA-1559-1 xen - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-4201-1 xen - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:1216-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1177-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1202-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1184-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1203-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1181-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11520-1 xen-4.15.1_01-1.2 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- SUSE-SU-2018:3230-1 Security update for xen SUSE / openSUSE Security Updates · May 2, 2025
References
- GLSA-201810-06 vendor-advisory
- [debian-lts-announce] 20181030 [SECURITY] [DLA 1559-1] xen security update mailing-list
- https://xenbits.xen.org/xsa/advisory-258.html
- 104002 vdb-entry
- DSA-4201 vendor-advisory