In kvm_vfio_pviommu_attach of vfio.c, there is a possible double free due to a logic error in the code.

Summary

In kvm_vfio_pviommu_attach of vfio.c, there is a possible double free due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Remediation

1. Inventory every Google Android deployment, including staging.
2. No fixed version appears in the public sources yet. Check the references below and the vendor directly.

References

• Referencehttps://android.googlesource.com/kernel/common/+/8c62fa09cc8a04cbaaa5d00b5dcd51279bee3bdb
• Referencehttps://source.android.com/docs/security/bulletin/2026/2026-11-01