CVE-2018-11823 - Double Free

Severity

46%

Complexity

39%

Confidentiality

106%

In all android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, freeing device memory in driver probe failure will result in double free issue in power module.

In all android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, freeing device memory in driver probe failure will result in double free issue in power module.

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

Double Free

CWE-415

Double Free

CWE-415

While contrived, this code should be exploitable on Linux distributions which do not ship with heap-chunk check summing turned on.


               
}
free(buf1R2);

Overview

First reported 6 years ago

2018-11-27 16:29:00

Last updated 6 years ago

2018-12-21 14:06:00

Affected Software

Google Android Operating System

References

https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=4519cc36b1a396dc55c9b43ab6e8736ae4a6f4cf

Patch, Third Party Advisory

https://www.codeaurora.org/security-bulletin/2018/11/05/november-2018-code-aurora-forum-security-bulletin

Patch, Third Party Advisory

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