Paper/Archive/CVE-2023-21164

CVE-2023-21164

Google Android — In DevmemIntMapPMR of devicemem_server.c, there is a possible arbitrary code execution due to a use after free.

EPSS 0.4%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 35.7.357 × 207.1 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

In DevmemIntMapPMR of devicemem_server.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected

ProductAffectedFixed inSource

AndroidAndroid SoC–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refsource.android.com/security/bulletin/2023-12-01