Vulnerability identifier: #VU7693

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-8944

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system
linux_kernel (Debian package)
Operating systems & Components / Operating system package or component

Vendor:
Linux Foundation
Debian

Description
The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.

The weakness exists due to weak permissions for /proc/iomem used by the ioresources_init function in kernel/resource.c in the Linux kernel. A local attacker can read arbitrary file on the system.

Mitigation
Update to the latest version.

Vulnerable software versions

Linux kernel: 4.7.0, 4.6.0 - 4.6.7, 4.5.0 - 4.5.7, 4.4.0 - 4.4.83, 4.3.1 - 4.3.6, 4.2.0 - 4.2.8, 4.1.1 - 4.1.43, 4.0.1 - 4.0.9

linux_kernel (Debian package): 4.6.4-1

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External links
http://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=e758417e7c31b975c862aa55d0ceef28f3c...

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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.