SB2016101020 - Race condition in Linux kernel
Published: October 10, 2016
Security Bulletin ID
SB2016101020
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2015-0572)
The vulnerability allows a local user to execute arbitrary code.
Multiple race conditions in drivers/char/adsprpc.c and drivers/char/adsprpc_compat.c in the ADSPRPC driver for the Linux kernel 3.x, as used in Qualcomm Innovation Center (QuIC) Android contributions for MSM devices and other products, allow attackers to cause a denial of service (zero-value write) or possibly have unspecified other impact via a COMPAT_FASTRPC_IOCTL_INVOKE_FD ioctl call.
Remediation
Install update from vendor's website.
References
- http://source.android.com/security/bulletin/2016-10-01.html
- http://www.securityfocus.com/bid/93312
- https://source.codeaurora.org/quic/la/kernel/msm/commit/?id=8fb32c3a8147b82e2bb159b3f70d803c9e68899b
- https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=34ad3d34fbff11b8e1210b9da0dac937fb956b61
- https://www.codeaurora.org/race-condition-leading-arbitrary-null-write-adsp-using-ioctl-compatfastrpcioctlinvokefd-cve-2015