Mali GPU Kernel Driver allows access to already freed memory

Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU memory processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r41p0 through r49p4, from r50p0 through r51p0; Valhall GPU Kernel Driver: from r41p0 through r49p4, from r50p0 through r54p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p4, from r50p0 through r54p0.

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释放后使用

ARM多款产品 安全漏洞

ARM Bifrost GPU Kernel Driver等都是英国ARM公司的一款 GPU 内核驱动程序。 ARM多款产品 存在安全漏洞，该漏洞源于释放后重用问题，可能导致内存访问越界。以下产品和版本受到影响：ARM Bifrost GPU Kernel Driver r49p4及之前版本和r50p0至r51p0版本、ARM Valhall GPU Kernel Driver r49p4及之前版本和r50p0至r54p0版本、Arm 5th Gen GPU Architecture Kernel Dri

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