SB2018042050 - SUSE Linux update for the Linux Kernel
Published: April 20, 2018
Security Bulletin ID
SB2018042050
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory corruption (CVE-ID: CVE-2018-7566)
The vulnerability allows a local attacker to write arbitrary files on the target system.The weakness exists due to out-of-bounds write while ALSA sequencer core initializes the event pool on demand by invoking snd_seq_pool_init() when the first write happens and the pool is empty. A local attacker can trigger buffer overflow and use after free and reset the pool size manually via ioctl concurrently and write arbitrary files.
Remediation
Install update from vendor's website.