SB2017071826 - Fedora 26 update for kernel
Published: July 18, 2017 Updated: April 24, 2025
Security Bulletin ID
SB2017071826
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2017-11176)
The vulnerability allows a remote attacker to cause DoS condition.
The vulnerability exists due to the mq_notify function does not set the sock pointer to NULL upon entry into the retry logic. A remote attacker can trigger use-after-free error during a user-space close of a Netlink socket and cause the service to crash.
Remediation
Install update from vendor's website.