CVE-2023-21264

Severity: medium (CVSS 6.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-08-14 · updated 2026-06-17
Weakness: CWE-119

Description

In multiple functions of mem_protect.c, there is a possible way to access hypervisor memory due to a memory access check in the wrong place. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

Affected products

Android: all versions

References

https://android.googlesource.com/kernel/common/+/53625a846a7b4
https://android.googlesource.com/kernel/common/+/b35a06182451f
https://source.android.com/security/bulletin/2023-08-01
https://android.googlesource.com/kernel/common/+/53625a846a7b4
https://android.googlesource.com/kernel/common/+/b35a06182451f
https://source.android.com/security/bulletin/2023-08-01

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