Vulnerability Description
Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a read and/or write data outside the Guest's virtualised GPU memory. The firmware uses data provided by the Guest VM to set up accesses to memory. It validated this before use, but a TOCTOU bug was present which allowed the earlier check results to be invalidated.
CVSS Score
LOW
Related Weaknesses (CWE)
References
FAQ
What is CVE-2026-45197?
CVE-2026-45197 is a vulnerability with a CVSS score of 2.5 (LOW). Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a read and/or write data outside the Guest's virtualised GPU memory. The firmware u...
How severe is CVE-2026-45197?
CVE-2026-45197 has been rated LOW with a CVSS base score of 2.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-45197?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.