SB2016010101 - Improper input validation in linux-grsec (Alpine package)
Published: January 1, 2016
Security Bulletin ID
SB2016010101
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2015-7872)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists in the key_gc_unused_keys function in security/keys/gc.c due to improper input validation. A local attacker can submit specially crafted keyctl commands and cause the service to crash.
Remediation
Install update from vendor's website.