Memory corruption in Oracle VM Server for x86 and Oracle Linux - CVE-2016-4997

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Main Vulnerability Database Vulnerabilities #VU27

Memory corruption in Oracle VM Server for x86 and Oracle Linux - CVE-2016-4997

Published: June 27, 2016 / Updated: March 15, 2020


Vulnerability identifier: #VU27
CSH Severity: High
CVSS v4: 8.5 [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]
CVE-ID: CVE-2016-4997
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a local user to obtain elevated privileges on the target system.

The vulnerability exists due to a memory corruption error in the IPT_SO_SET_REPLACE compat_setsockopt() function.

Successful exploitation of this vulnerability may lead to arbitrary code execution with kernel-level privileges.

Affected software

Oracle VM Server for x86
Oracle Linux
SUSE Linux
Ubuntu
Fedora
kernel

How to mitigate CVE-2016-4997

The vendor has issued a fix (3.14.73, 4.4.14, 4.6.3).

kernel - addressed in versions 4.4.14-200.fc22, 4.6.3-300.fc24

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins