#VU1007 Privilege escalation in Linux kernel - CVE-2015-3288

Vulnerability identifier: #VU1007

Vulnerability risk: Low

CVSSv4.0: 4.5 [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:U/U:Clear]

CVE-ID: CVE-2015-3288

CWE-ID: CWE-388

Exploitation vector: Local

Exploit availability: No

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

Vendor: Linux Foundation

Description
The vulnerability allows a local user to obtain elevated privileges.
The vulnerability exists due to mishandling of anonymous pages. Triggering writing to page zero via a specially crafted application attacker can gain elevated privileges or cause page tainting.
Successful exploitation of the vulnerability may result in denial of service on the vulnerable system.

Mitigation
Update to version 4.1.4.

Vulnerable software versions

Linux kernel: 3.2.78-1 - 3.2.81-1, 3.14.72 - 3.16.7-ckt25-2+deb8u3 , 4.0.1 - 4.0.9, 4.1.1 - 4.1.32

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=1333830

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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.