Information disclosure in Linux Kernel

1) Information disclosure

EUVDB-ID: #VU14451

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 - Information exposure

Exploit availability: No

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: 4.10.0 - 4.16.4

External links

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

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.