CVE-2026-0665
Publication date 13 January 2026
Last updated 19 February 2026
Ubuntu priority
Description
[qemu: Heap off-by-one in KVM Xen PHYSDEVOP_map_pirq]
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| qemu | 25.10 questing |
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 8.0.0 via: https://gitlab.com/qemu-project/qemu/-/commit/aa98ee38a5e77d1e40987c694abd0c5bc5d6c811
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.5 · Medium
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Changed |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |