Resource exhaustion in Linux kernel - CVE-2016-2550
Published: April 17, 2018
Vulnerability identifier: #VU11853
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-2550
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists due to leveraging incorrect tracking of descriptor ownership and sending each descriptor over a UNIX socket before closing it. A local attacker can bypass file-descriptor limits, trigger memory consumption and cause the service to crash.
The weakness exists due to leveraging incorrect tracking of descriptor ownership and sending each descriptor over a UNIX socket before closing it. A local attacker can bypass file-descriptor limits, trigger memory consumption and cause the service to crash.
Affected software
Linux kernel
Fedora
kernel
Fedora
kernel
How to mitigate CVE-2016-2550
Update to version 4.5.
kernel - update to 4.4.3-300.fc23