Vulnerability Details CVE-2021-29256
. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.01
EPSS Ranking 75.3%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 9.0
Proposed Action
Arm Mali GPU Kernel Driver contains a use-after-free vulnerability that may allow a non-privileged user to gain root privilege and/or disclose information.
Ransomware Campaign
Unknown
References
Products affected by CVE-2021-29256
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cpe:2.3:a:arm:bifrost_gpu_kernel_driver:r16p0
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cpe:2.3:a:arm:bifrost_gpu_kernel_driver:r16p0-01eac0
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cpe:2.3:a:arm:bifrost_gpu_kernel_driver:r17p0
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cpe:2.3:a:arm:bifrost_gpu_kernel_driver:r19p0
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cpe:2.3:a:arm:bifrost_gpu_kernel_driver:r25p0
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cpe:2.3:a:arm:bifrost_gpu_kernel_driver:r26p0
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cpe:2.3:a:arm:bifrost_gpu_kernel_driver:r28p0
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cpe:2.3:a:arm:bifrost_gpu_kernel_driver:r29p0
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cpe:2.3:a:arm:midgard_gpu_kernel_driver:r28p0
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cpe:2.3:a:arm:midgard_gpu_kernel_driver:r28p0-01eac0
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cpe:2.3:a:arm:midgard_gpu_kernel_driver:r29p0
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cpe:2.3:a:arm:midgard_gpu_kernel_driver:r30p0
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cpe:2.3:a:arm:midgard_gpu_kernel_driver:r30p0-01eac0
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cpe:2.3:a:arm:valhall_gpu_kernel_driver:r19p0
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cpe:2.3:a:arm:valhall_gpu_kernel_driver:r19p0-01eac0
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cpe:2.3:a:arm:valhall_gpu_kernel_driver:r25p0
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cpe:2.3:a:arm:valhall_gpu_kernel_driver:r26p0
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cpe:2.3:a:arm:valhall_gpu_kernel_driver:r28p0
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cpe:2.3:a:arm:valhall_gpu_kernel_driver:r29p0