Race condition in Google, Google Android

1) Race condition

EUVDB-ID: #VU37334

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-15826

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local authenticated user to execute arbitrary code.

Due to a race condition in MDSS rotator in Android for MSM, Firefox OS for MSM, and QRD Android before 2017-10-20, a double free vulnerability may potentially exist when two threads free the same perf structures.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: All versions

External links

http://source.android.com/security/bulletin/pixel/2018-02-01
http://source.codeaurora.org/quic/la/kernel/msm-4.4/commit/?id=5ac3e9d038a7ee7edf77dde2dffae6f8ba528848

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.