SB2017061539 - Fedora 26 update for systemd
Published: June 15, 2017 Updated: April 24, 2025
Security Bulletin ID
SB2017061539
Severity
Medium
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-2017-9217)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to null pointer dereference in dns_packet_is_reply_for function in resolved-dns-packet.c file. A remote attacker can supply a specially crafted DNS response with an empty question section to cause the daemon to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.