Resource exhaustion in Linux kernel - CVE-2016-7039

 

Resource exhaustion in Linux kernel - CVE-2016-7039

Published: November 15, 2016 / Updated: May 30, 2020


Vulnerability identifier: #VU1174
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-7039
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the IP stack due to stack consumption. A remote attacker can trigger use of the GRO path for large crafted packets, as demonstrated by packets that contain only VLAN headers, and cause the service to crash.

How to mitigate CVE-2016-7039

Update to version 4.8.3.

Sources