CVE-2023-21228 json
In PMRChangeSparseMemOSMem of physmem_osmem_linux.c, there is a possible out of bounds write due to an incorrect bounds check.
published 2023-12-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25396
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Google Android
References
-
source.android.com
/security/bulletin/2023-12-01
vendor-advisory
Sources
- CVE List CVE-2023-21228
- NVD CVE-2023-21228
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