CVE-2023-21217
There is elevation of privilege.
In PMRWritePMPageList of TBD, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In PMRWritePMPageList of TBD, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-21217- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
CVE List No score
In PMRWritePMPageList of TBD, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-21217- Updated
- 2026-11-02
EUVDEUVD-2023-25385 No score
In PMRWritePMPageList of TBD, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
EUVD-2023-25385- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x5v7-pg82-r947
There is elevation of privilege.
There is elevation of privilege.
- Record
GHSA-x5v7-pg82-r947- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVASB-A-292087506 No score
In PMRWritePMPageList of TBD, there is a possible out of bounds write due to
an integer overflow. This could lead to local escalation of privilege with
no additional execution privileges needed. User interaction is not needed
for exploitation.
- Record
ASB-A-292087506- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
SoCVersion:0 up to SoCVersion:2023-12-05, plus listed versions SoCVersion |
SoCVersion:2023-12-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21217 is a critical vulnerability (CVSS 9.8) in Google Android, published December 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. Fixed in :unknown: SoCVersion:2023-12-05.