PatchTheCVECVE-2026-34193: Kernel software installed and running inside a Guest/Host VM may post improper commands to the GPU Firmware to
CVE-2026-34193 is a medium-severity flaw (CVSS 4.3) affecting ddk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Kernel software installed and running inside a Guest/Host VM may post improper commands to the GPU Firmware to trigger a write of data outside the intended GPU memory. A logic error in the address translation allowed a compromised Host (Kernel) to perform arbitrary writes to firmware memory.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.1% (top 96%) |
| CISA exploited list | No |
| Weakness | CWE-823 |
| Published | 2026-06-01 |
| Last modified | 2026-08-12 |
Last updated 2026-08-12 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-34193?
ddk: upgrade to 26.1. Exact commands for each OS are on this page.
Is CVE-2026-34193 being exploited?
CVE-2026-34193 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-34193 affect?
CVE-2026-34193 affects ddk. Severity is medium (CVSS 4.3). Kernel software installed and running inside a Guest/Host VM may post improper commands to the GPU Firmware to trigger a write of data outside the intended GPU memory. A logic error in the address translation allowed a compromised Host (
How urgent is CVE-2026-34193?
Priority 16/100. No elevated risk signals yet.
Related CVEs
- CVE-2026-22167 HIGH 7.8 UPGRADE Software installed and run as a non-privileged user may conduct improper GPU system calls to force GPU to writ
- CVE-2026-22166 HIGH 8.1 UPGRADE A web page that contains unusual WebGPU content loaded into the GPU GLES render process and can trigger write
- CVE-2026-22165 HIGH 8.1 UPGRADE A web page that contains unusual WebGPU content loaded into the GPU GLES render process and can trigger a writ
- CVE-2026-21733 HIGH 7.3 UPGRADE Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permis
- CVE-2026-21734 HIGH 7.7 UPGRADE A web page that contains unusual GPU shader code is loaded into the GPU compiler process and can trigger a wri