In kbase_mem_from_user_buffer of mali_kbase_mem_linux.c, there is a possible remapping of shared read-only memory as write-able due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-28663US | high8.8OT critical | KEV | ||
The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost… | ||||
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references
External citations — patches, advisories, analysis.
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