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CVE-2021-26383

Quick assessment

Affected
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AMD Graphics Driver等都是美国超威半导体（AMD）公司的产品。AMD Graphics Driver是一款集成显卡驱动程序。AMD Embedded Processors是一系列嵌入式高性能 GPU。AMD Client Processor是面向客户端设备（如个人电脑、笔记本电脑等）的处理器。 AMD多款产品存在安全漏洞，该漏洞源于边界检查不足，可能导致越界内存访问和完整性或可用性损失。以下产品及版本受到影响：AMD Graphics Driver、AMD Embedded Proces

CVSS 7.9 · High EPSS 0.17% · P5
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I. Basic Information for CVE-2021-26383

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
AMD多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Graphics Driver等都是美国超威半导体（AMD）公司的产品。AMD Graphics Driver是一款集成显卡驱动程序。AMD Embedded Processors是一系列嵌入式高性能 GPU。AMD Client Processor是面向客户端设备（如个人电脑、笔记本电脑等）的处理器。 AMD多款产品存在安全漏洞，该漏洞源于边界检查不足，可能导致越界内存访问和完整性或可用性损失。以下产品及版本受到影响：AMD Graphics Driver、AMD Embedded Proces
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6 1.0.0.6 -
AMD AMD Ryzen™ 4000 Series Desktop Processors ComboAM4v2 PI 1.2.0.5 -
AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6 1.0.0.6 -
AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics ComboAM4v2 PI 1.2.0.5 -
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics RenoirPI-FP6 1.0.0.7 -
AMD AMD Ryzen™ Embedded V2000 Series Processors EmbeddedPI-FP6_1.0.0.6 -
AMD AMD Radeon™ RX 5000 Series Graphics Products AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45) -
AMD AMD Radeon™ RX 6000 Series Graphics Products AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45) -
AMD AMD Radeon™ PRO W5000 Series Graphics Products AMD Software: PRO Edition 23.Q1 (22.40.37.05) -
AMD AMD Radeon™ PRO W6000 Series Graphics Products AMD Software: PRO Edition 23.Q1 (22.40.37.05) -
AMD AMD Instinct™ MI210 ROCm 6.4 -
AMD AMD Instinct™ MI250 ROCm 6.4 -
AMD AMD Radeon™ PRO V520 Graphics Products Contact your AMD Customer Engineering representative -
AMD AMD Radeon™ PRO V620 Graphics Products Contact your AMD Customer Engineering representative -

II. Public POCs for CVE-2021-26383

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III. Intelligence Information for CVE-2021-26383

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IV. Related Vulnerabilities

Same product: AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
Same vendor: AMD
Same weakness: CWE-787

V. Comments for CVE-2021-26383

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