Buffer overflow in AMD products - CVE-2021-26352

 

Buffer overflow in AMD products - CVE-2021-26352

Published: May 26, 2022


Vulnerability identifier: #VU63739
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-26352
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in System Management Unit (SMU) PCIe Hot Plug table. A local user can trigger memory corruption and perform a denial of service (DoS) attack.


Affected software

AMD Ryzen 2000 series Desktop processor
AMD Ryzen 3000 Series Desktop processor
AMD Ryzen 5000 Series Desktop processor
2nd Gen AMD Ryzen Threadripper processors
3rd Gen AMD Ryzen Threadripper processors
AMD Ryzen Threadripper PRO processors

How to mitigate CVE-2021-26352

Install updates from vendor's website.


External References

Related Security Bulletins