CVE-2023-21228
CRITICALAndroid - Out-of-Bounds Write in PMRChangeSparseMemOSMem
Title source: llmDescription
In PMRChangeSparseMemOSMem of physmem_osmem_linux.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.
References (1)
Core 1
Core References
Vendor Advisory
https://source.android.com/security/bulletin/2023-12-01
Scores
CVSS v3
9.8
EPSS
0.0010
EPSS Percentile
28.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (1)
google/android
Published
Dec 04, 2023
Tracked Since
Feb 18, 2026