CVE Tools
Sign in

CVE-2024-21961

Published: Feb 12, 2026Updated: Feb 13, 2026 Sources: CVE List NVD BDUCWE-119
NVD MITRE
6.3CVSSMEDIUM
EPSS Score
0.3%
Top 77.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Improper restriction of operations within the bounds of a memory buffer in PCIe® Link could allow an attacker with access to a guest virtual machine to potentially perform a denial of service attack against the host resulting in loss of availability.

CVSS Vector Breakdown

AV:NAC:HC:NI:NA:H
Exploitability
AV:NAccess Vector
Network
AC:HAccess Complexity
High
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
H
Open in CVSS calculator →

Weaknesses

CWE-119

Affected Products

AMD Ryzen 3000 Series DesktopAdvanced Micro Devices Inc.Hardware Firmware
AMD Ryzen 4000 Series Desktop processors with Radeon graphicsAdvanced Micro Devices Inc.Hardware Firmware
AMD Ryzen 5000 Series Desktop processor with Radeon graphicsAdvanced Micro Devices Inc.Hardware Firmware
AMD Ryzen 5000 Series Mobile processor with Radeon graphicsAdvanced Micro Devices Inc.Hardware Firmware
AMD Ryzen 5000 Series Desktop ProcessorsAdvanced Micro Devices Inc.Hardware Firmware
advanced micro devices inc.commercialUSHardware Firmwareaka amd
and 37 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html
amd.com
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4013.html
amd.com
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html
amd.com

Timeline

Published
Feb 12, 2026
Last Updated
Feb 13, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2024-21961 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows