Information disclosure in Linux kernel i2c busses driver

1) Information disclosure

EUVDB-ID: #VU91405

Risk: Low

CVSSv3.1: 2.9 [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-2020-36783

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information disclosure within the img_i2c_xfer() and img_i2c_init() functions in drivers/i2c/busses/i2c-img-scb.c. A local user can gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://git.kernel.org/stable/c/4734c4b1d9573c9d20bbc46cf37dde095ee011b8
http://git.kernel.org/stable/c/e80ae8bde41266d3b8bf012460b6593851766006
http://git.kernel.org/stable/c/96c4a03658d661666c360959aa80cdabfe2972ed
http://git.kernel.org/stable/c/7ee35cde1e810ad6ca589980b9ec2b7b62946a5b
http://git.kernel.org/stable/c/223125e37af8a641ea4a09747a6a52172fc4b903

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.