Code execution in AMD Radeon Software

1) Exposed IOCTL with Insufficient Access Control

EUVDB-ID: #VU82434

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20598

CWE-ID: CWE-782 - Exposed IOCTL with Insufficient Access Control

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to insufficient access control in the IOCTL within the pdfwkrnl.sys driver. A local user can send a specially crafted IOCTL request and execute abitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Radeon RX 5000 Series: All versions

Radeon RX 6000 Series: All versions

Radeon RX 7000 Series: All versions

Ryzen 7045 Series Processors with Radeon Graphics: All versions

Ryzen 7020 Series Processors with Radeon Graphics: All versions

Ryzen 7040 Series Processors with Radeon Graphics: All versions

Ryzen 7000 Series Processors with Radeon Graphics: All versions

Ryzen 6000 Series Processors with Radeon Graphics: All versions

Ryzen 7035 Series Processors with Radeon Graphics: All versions

Radeon PRO W5000 Series: All versions

Radeon PRO W6000 Series: All versions

Radeon PRO W7000 Series: All versions

AMD Software Adrenalin Edition: before 23.9.2

AMD Software PRO Edition: before 23.Q4

External links

http://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-6009
http://jvn.jp/en/vu/JVNVU97149791/index.html

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.