Buffer over-read in IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data

1) Buffer Over-read

EUVDB-ID: #VU64793

Risk: Low

CVSSv3.1: 5.1 [CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-28915

CWE-ID: CWE-126 - Buffer over-read

Exploit availability: No

Description

The vulnerability allows a local user with physical access to perform a denial of service attack.

The vulnerability exists due to an out-of-bounds (OOB) memory access flaw in fbcon_get_font() function in drivers/video/fbdev/core/fbcon.c in fbcon driver module in the Linux kernel. A local user with special user privilege and with physical access can gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data : before 4.5.3

External links

http://www.ibm.com/support/pages/node/6829133

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.