In __pkvm_host_share_guest of mem_protect.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
https://source.android.com/security/bulletin/2026-03-01
https://android.googlesource.com/kernel/common/+/f3a4b4d4a1fe2aface7de74ac257b8705b6de472
https://android.googlesource.com/kernel/common/+/aff2255dbe38dc7c57bac8d3ba9feed989289b20
https://android.googlesource.com/kernel/common/+/986614312222d4b3bdcf16840cdb4abdaed8a42d