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In the Pixel Camera Driver, there is a possible use after free due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
CVSS 3.1 Base Score 6.7. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).
The following example demonstrates the weakness.
}free(buf3R2);The following code illustrates a use after free error:
}free(ptr);logError("operation aborted before commit", ptr);When an error occurs, the pointer is immediately freed. However, this pointer is later incorrectly used in the logError function.
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