#VU360 “Use-after-free” error in Linux kernel - CVE-2016-6828

Vulnerability identifier: #VU360

Vulnerability risk: Low

CVSSv4.0: 5.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2016-6828

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows local users to provoke a denial of service.

The vulnerability predicts TCP realization by a local user.

Successful exploitation of this vulnerability will allow an attacker to cause a denial of service.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.1.1 - 4.1.36

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External links
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.37

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.