Description
arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.
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 | 4.6.5-0ubuntu1.4 | — |
| Ubuntu 14.04 LTS | xen | 4.4.2-0ubuntu0.14.04.14 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | xen | 4.9.0_11-3.9.1 | SUSE-SU-2017:2327-2, SUSE-SU-2017:2327-1 |
| SLES 12 SP2 | xen | 4.7.3_03-43.9.1 | SUSE-SU-2017:2326-1 |
| SLES 12 SP1 | xen | 4.5.5_14-22.25.1 | SUSE-SU-2017:2319-1 |
| SLES 12 | xen | 4.4.4_22-22.51.2 | SUSE-SU-2017:2541-1 |
| SLES 11 SP4 | xen | 4.4.4_22-61.9.2 | SUSE-SU-2017:2450-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP3 | xen | 4.2.5_21-45.5.1 | SUSE-SU-2017:2339-1 |
| SLES for SAP 12 SP3 | xen | 4.9.0_11-3.9.1 | SUSE-SU-2017:2327-2 |
| SLES for SAP 12 SP2 | xen | 4.7.3_03-43.9.1 | SUSE-SU-2017:2326-1 |
| SLES for SAP 12 SP1 | xen | 4.5.5_14-22.25.1 | SUSE-SU-2017:2319-1 |
| SLES for SAP 12 | xen | 4.4.4_22-22.51.2 | SUSE-SU-2017:2541-1 |
| SLES for SAP 11 SP4 | xen | 4.4.4_22-61.9.2 | SUSE-SU-2017:2450-1 |
| SUSE OpenStack Cloud 6 | xen | 4.5.5_14-22.25.1 | SUSE-SU-2017:2319-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | xen | 4.2.5_21-45.5.1 | SUSE-SU-2017:2339-1 |
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 | 4.9.0-r1 | — |
| Alpine v3.23 | xen | 4.9.0-r1 | — |
| Alpine v3.22 | xen | 4.9.0-r1 | — |
| Alpine v3.21 | xen | 4.9.0-r1 | — |
| Alpine v3.20 | xen | 4.9.0-r1 | — |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | xen | 4.9.0-r1 | — |
| Alpine v3.18 | xen | 4.9.0-r1 | — |
| Alpine v3.17 | xen | 4.9.0-r1 | — |
| Alpine v3.16 | xen | 4.9.0-r1 | — |
| Alpine v3.15 | xen | 4.9.0-r1 | — |
| Alpine v3.14 | xen | 4.9.0-r1 | — |
| Alpine v3.13 | xen | 4.9.0-r1 | — |
| Alpine v3.12 | xen | 4.9.0-r1 | — |
| Alpine v3.11 | xen | 4.9.0-r1 | — |
| Alpine v3.10 | xen | 4.9.0-r1 | — |
| Alpine v3.9 | xen | 4.9.0-r1 | — |
| Alpine v3.8 | xen | 4.9.0-r1 | — |
| Alpine v3.7 | xen | 4.9.0-r1 | — |
| 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 10
- 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-2017:2450-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2326-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2339-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2319-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2541-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2327-2 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-2017:2327-1 Security update for xen SUSE / openSUSE Security Updates · May 2, 2025
References
- https://support.citrix.com/article/CTX225941
- [oss-security] 20170815 Xen Security Advisory 227 (CVE-2017-12137) - x86: PV privilege escalation via map_grant_ref mailing-list
- 1039174 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1477657
- DSA-3969 vendor-advisory
- GLSA-201801-14 vendor-advisory
- 100342 vdb-entry
- http://xenbits.xen.org/xsa/advisory-227.html