Vulnerability identifier: #VU14451

Vulnerability risk: Low

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

CVE-ID: CVE-2018-7754

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

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

Vendor: Linux Foundation

Description

The vulnerability allows a local attacker to obtain potentially sensitive information.

The vulnerability exists due to the aoedisk_debugfs_show function, as defined in the drivers/block/aoe/aoeblk.c source code file allows access to ffree:lines in a debugfs file. A local attacker can access the debugfs file to access sensitive address information, which could be used to conduct further attacks.

Mitigation
Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.

Vulnerable software versions

Linux kernel: 4.13 - 4.13.16, 4.14 - 4.14.63, 4.12 - 4.12.14, 4.11 - 4.11.12, 4.10.0 - 4.10.17, 4.16 - 4.16.4, 4.15.0 - 4.15.18

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External links
http://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-7754.md

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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.