VULNERABILITY INTELLIGENCE
CVE-2023-21402
CVSS score9.8 CRITICAL
EPSS probability0.41%
CISA KEVNot currently listed
Published2023-12-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
In MMU_UnmapPages of mmu_common.c, there is a possible out of bounds read due to improper input validation. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo
Primary references
- security@android.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory