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CVE-2025-54503

Quick assessment

Affected
AMD AMD EPYC™ 9005 Series Processors
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.

安全加密虚拟化（SEV）固件中，对受保护内存范围重叠的处理不当，可能使特权攻击者导致保留内存页表（RMP）配置错误，进而造成完整性丧失。

CVSS 5.9 · Medium

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2025-54503

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper handling of overlap between protected memory ranges in the Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker to cause misconfigurations in the RMP potentially resulting in loss of integrity.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1260
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
AMD AMD EPYC™ 9005 Series Processors TurinPI_1.0.0.A -
AMD AMD EPYC™ Embedded 9005 Series Processors EmbeddedTurinPI_SP5_1004 -

II. Public POCs for CVE-2025-54503

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III. Intelligence Information for CVE-2025-54503

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Other References for CVE-2025-54503 (1)

Same Patch Batch · AMD · 2026-11-10 · 24 CVEs total

CVE-2025-0008 8.4 HIGH 某软件 SDU 验证不足致本地调试绕过
CVE-2025-48504 6.8 MEDIUM SEV 固件资源释放后操作漏洞致机密性完整性丧失
CVE-2026-0480 6.0 MEDIUM AMD SEV 固件认证缺失漏洞致内存机密性受损
CVE-2025-29941 6.0 MEDIUM SEV固件伪随机数种子漏洞致密钥泄露
CVE-2026-0435 6.0 MEDIUM AMD SEV固件资源释放后操作漏洞
CVE-2025-62621 5.9 MEDIUM AMD SEV固件违规致RMP绕过，破坏SEV-SNP内存完整性
CVE-2026-0003 5.9 MEDIUM AMD SEV 固件降级漏洞：静态密钥导致内存解密
CVE-2026-28248 5.9 MEDIUM AMD SEV 固件行为工作流执行不当致完整性丧失
CVE-2026-28247 5.9 MEDIUM AMD SEV 固件内存镜像访问控制漏洞致完整性丢失
CVE-2026-40670 5.9 MEDIUM AMD SEV-SNP 异常检查不当致完整性受损
CVE-2025-62620 5.9 MEDIUM QEMU 输入验证漏洞致内存完整性丢失
CVE-2025-29940 5.9 MEDIUM AMD SEV 固件未验证所有权漏洞致数据完整性受损
CVE-2025-52535 5.9 MEDIUM AMD SEV 固件资源重用漏洞致内存完整性丧失
CVE-2025-54504 5.9 MEDIUM AMD SEV 固件访问控制不足漏洞致完整性受损
CVE-2025-0027 5.9 MEDIUM AMD SEV固件访问控制漏洞致RMP保护绕过
CVE-2024-36309 4.6 MEDIUM AMD NBIO 锁位缺失导致重映射漏洞
CVE-2026-0454 4.6 MEDIUM AMD SEV 固件越界写入漏洞致完整性受损
CVE-2026-28249 4.6 MEDIUM AMD SEV 固件共享状态一致性漏洞致完整性受损
CVE-2026-40668 4.6 MEDIUM AMD SEV 固件认证绕过漏洞
CVE-2026-40669 4.0 MEDIUM AMD SEV 固件越界漏洞致内存完整性受损

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: AMD EPYC™ 9005 Series Processors
Same vendor: AMD
Same weakness: CWE-1260