SB2017010505 - Integer overflow in Linux kernel trace
Published: January 5, 2017
Security Bulletin ID
SB2017010505
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) Integer overflow (CVE-ID: CVE-2016-9754)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow error within the ring_buffer_resize() function in kernel/trace/ring_buffer.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://source.android.com/security/bulletin/2017-01-01.html
- https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59643d1535eb220668692a5359de22545af579f6
- http://www.securityfocus.com/bid/95278