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CVE-2026-43603— Linux GPU 驱动空指针解引用漏洞致拒绝服务

一分钟漏洞结论

影响对象
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
利用判断
尚无明确在野利用证据,仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本;无法立即升级时,限制受影响服务暴露并加强监测。

Linux GPU 驱动程序中存在空指针解引用漏洞,可能导致内核崩溃并引发拒绝服务(DoS)攻击。

CVSS 6.9 · Medium

可能的 ATT&CK 技术 1 AI

T1499 · Endpoint Denial of Service
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一、 漏洞 CVE-2026-43603 基础信息

漏洞信息

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Vulnerability Title
N/A
来源: CVE Program / CVE List V5
Vulnerability Description
A NULL pointer dereference in the Linux GPU driver could potentially lead to a kernel crash and result in denial of service.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics Radeon Software for Linux 26.13 -
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 7000 Series Desktop Processors Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 9000HX Series Processors Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ AI 300 Series Processors Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 8000 Series Desktop Processors Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 9000 Series Desktop Processors Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 4000 Series Desktop Processors Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ AI Max 300 Series Processors Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ AI Max 400 Series Processors Radeon Software for Linux 26.13 -
AMD AMD Ryzen™ AI 400 Series Processors Radeon Software for Linux 26.13 -
AMD AMD Radeon™ RX 9000 Series Graphics Products Radeon Software for Linux 26.13 -
AMD AMD Radeon™ AI PRO R9000 Series Graphics Products Radeon Software for Linux 26.13 -
AMD AMD Radeon™ RX 7000 Series Graphics Products Radeon Software for Linux 26.13 -
AMD AMD Radeon™ PRO W7000 Series Graphics Products Radeon Software for Linux 26.13 -
AMD AMD Radeon™ PRO W6000 Series Graphics Products Radeon Software for Linux 26.13 -
AMD AMD Radeon™ RX 6000 Series Graphics Products Radeon Software for Linux 26.13 -
AMD AMD Radeon™ PRO W5000 Series Graphics Products Radeon Software for Linux 26.13 -
AMD AMD Radeon™ RX 5000 Series Graphics Products Radeon Software for Linux 26.13 -
AMD AMD Instinct™ MI210 Linux GPU Driver 31.40 -
AMD AMD Instinct™ MI250 Linux GPU Driver 31.40 -

二、漏洞 CVE-2026-43603 的公开POC

# POC 描述 源链接 神龙链接
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未找到公开 POC。

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三、漏洞 CVE-2026-43603 的情报信息

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CVE-2026-43603 其他参考 (1)

同批安全公告 · AMD · 2026-11-03 · 共 6 条

CVE-2026-100493 6.9 MEDIUM AMD Compressonator SDK 整数溢出导致越界读取
CVE-2026-40652 5.2 MEDIUM AMD Compressonator SDK 越界读取漏洞
CVE-2026-40661 5.2 MEDIUM AMD Compressonator SDK 越界写漏洞
CVE-2026-40660 5.2 MEDIUM AMD Compressonator SDK 堆越界读取漏洞
CVE-2026-40659 5.1 MEDIUM AMD Compressonator SDK 整数溢出导致拒绝服务

IV. Related Vulnerabilities