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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 75%
VendorProductVersion
armbifrost_gpu_kernel_driver
r16p0 ≤
𝑥
< r30p0
armmidgard_gpu_kernel_driver
r28p0 ≤
𝑥
< r31p0
armvalhall_gpu_kernel_driver
r19p0 ≤
𝑥
< r30p0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver
https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver