CVE-2018-11273 Information

Description

In all android releases (Android for MSM Firefox OS for MSM QRD Android) from CAF using the linux kernel ‘voice_svc_dev’ is allocated as a device-managed resource. If error ‘cdev_alloc_err’ occurs ‘device_destroy’ will free all associated resources including ‘voice_svc_dev’ leading to a double free.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://source.android.com/security/bulletin/pixel/2018-09-01qualcomm-components https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=789d4d21c3f1818dcbf74da4a051598e8f53676c https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=f34f6271362484c1f87f4176e72a3bfb80ee7711 https://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8