Description
An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service (stack corruption), cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671.
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 | 4.14.0+88-g1d1d1f5391-1 | — |
| Debian 13 | xen | 4.14.0+88-g1d1d1f5391-1 | — |
| Debian 12 | xen | 4.14.0+88-g1d1d1f5391-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | xen | No fix yet | — |
| Ubuntu 18.04 LTS | xen | No fix yet | — |
| Ubuntu 16.04 LTS | xen | No fix yet | — |
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 | 4.14.0-r3 | — |
| Alpine v3.23 | xen | 4.14.0-r3 | — |
| Alpine v3.22 | xen | 4.14.0-r3 | — |
| Alpine v3.21 | xen | 4.14.0-r3 | — |
| Alpine v3.20 | xen | 4.14.0-r3 | — |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | xen | 4.14.0-r3 | — |
| Alpine v3.18 | xen | 4.14.0-r3 | — |
| Alpine v3.17 | xen | 4.14.0-r3 | — |
| Alpine v3.16 | xen | 4.14.0-r3 | — |
| Alpine v3.15 | xen | 4.14.0-r3 | — |
| Alpine v3.14 | xen | 4.14.0-r3 | — |
| Alpine v3.13 | xen | 4.14.0-r3 | — |
| Alpine v3.12 | xen | 4.13.2-r2 | — |
| Alpine v3.11 | xen | 4.13.2-r2 | — |
| Alpine v3.10 | xen | 4.12.4-r0 | — |
Advisories 1
- openSUSE-SU-2024:11520-1 xen-4.15.1_01-1.2 on GA media SUSE / openSUSE Security Updates · May 7, 2025