Critical severity · published Dec 4, 2023
CVE-2023-21217
In PMRWritePMPageList of TBD, there is a possible out of bounds write due to an integer overflow
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AN
Android · Google
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-21217
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-21217
Vendor Advisory
https://source.android.com/security/bulletin/2023-12-01
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