CVE-2026-3886
Publication date 9 July 2026
Last updated 25 August 2026
Ubuntu priority
Description
[virtio-gpu: fix overflow check when allocating 2d image]
Read the notes from the security team
Why is this CVE high priority?
Vulnerability allows for VM escape
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| qemu | 26.04 LTS resolute |
Vulnerable
|
| 24.04 LTS noble |
Vulnerable
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Not affected
|
Notes
mdeslaur
introduced in 8.1.0 by: https://gitlab.com/qemu-project/qemu/-/commit/9462ff4695aa0d086fd63f7f2efafe5a05f2a243