CVE-2017-11048 - Use After Free

Severity

46%

Complexity

39%

Confidentiality

106%

In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, in a display driver function, a Use After Free condition can occur.

In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, in a display driver function, a Use After Free condition can occur.

CVSS 3.0 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 4.6. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P).

Demo Examples

Use After Free

CWE-416

The following example demonstrates the weakness.


               
}
free(buf3R2);

Use After Free

CWE-416

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.

Overview

First reported 7 years ago

2017-10-10 20:29:00

Last updated 7 years ago

2017-10-19 18:03:00

Affected Software

Google Android 8.0

8.0

References

101160

Third Party Advisory, VDB Entry

https://source.android.com/security/bulletin/pixel/2017-10-01

Vendor Advisory

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