Arm Mali GPU Kernel Driver (Midgard r4p0 through r31p0, Bifrost r0p0 through r36p0 before r37p0, and Valhall r19p0 through r36p0 before r37p0) allows improper GPU memory operations to reach a use-after-free situation.
https://developer.arm.com/support/arm-security-updates
https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities