Privilege escalation in Linux kernel - CVE-2017-1000112

 

Privilege escalation in Linux kernel - CVE-2017-1000112

Published: August 16, 2017 / Updated: June 17, 2021


Vulnerability identifier: #VU7954
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2017-1000112
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to race condition in the UDP Fragmentation Offload (UFO) code. A local attacker can send specially crafted UFO packets, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2017-1000112

Update to version 4.12.6-1.

Sources