CVE-2023-20744: google android Use After Free

Vulnerability summary

CVE-2023-20744 is a medium (CVSS 6.7) Use After Free vulnerability in google android. EPSS estimates a 0.10% chance of exploitation in the next 30 days, higher than 0.6% of scored vulnerabilities.

Timeline

1. 06-06-2023
   PublishedVulnerability first disclosed.
2. 07-01-2025
   Last modifiedVulnerability information updated.

Description

In vcu, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07519142; Issue ID: ALPS07519200.

• CWE-416Use After FreeThe product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.