CVE-2017-14877 Information

Description

While the IPA driver in Android for MSM Firefox OS for MSM and QRD Android before 2017-08-31 is processing IOCTL commands there is no mutex lock of allocated memory. If one thread sends an ioctl cmd IPA_IOC_QUERY_RT_TBL_INDEX while another sends an ioctl cmd IPA_IOC_DEL_RT_RULE a use-after-free condition may occur.

CVSS Vector

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

Reference

https://source.android.com/security/bulletin/pixel/2018-02-01 https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=ca395c15c49cf6463a39d197b6a9331d183d94cb

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8