In __pkvm_pages_to_ppages of mmu.c, there is a possible out-of-bounds write due to a race condition.

Summary

In __pkvm_pages_to_ppages of mmu.c, there is a possible out-of-bounds write due to a race condition. 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/+/1569a00286640e452ce917ee8b3cec04c5cc3715
• Referencehttps://android.googlesource.com/kernel/common/+/382cffbd3842b64260993d2438926a9f2a0a447e
• Referencehttps://source.android.com/docs/security/bulletin/2026/2026-11-01