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CVE-2026-58007— Unchecked SDM mailbox response address enables EL3 secure-memory corruption

Quick assessment

Affected
Altera Trusted Firmware
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.

在 HPS 上的 Altera 可信固件中存在不可信指针解引用漏洞，该漏洞可能导致利用配置不当或实现错误的内存保护机制。 此问题影响以下版本的可信固件：socfpga_v2.14.0 及更早版本。

CVSS 8.1 · High EPSS 0.11% · P1

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
Altera Trusted Firmware ≤ socfpga_v2.14.0 affected
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I. Basic Information for CVE-2026-58007

Vulnerability Information
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Vulnerability Title
Unchecked SDM mailbox response address enables EL3 secure-memory corruption
Source: CVE Program / CVE List V5
Vulnerability Description
Untrusted pointer dereference vulnerability in Altera Trusted Firmware on HPS allows Exploitation of Improperly Configured or Implemented Memory Protections. This issue affects Trusted Firmware: through socfpga_v2.14.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
非可信指针解引用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Altera Trusted Firmware 0 ~ socfpga_v2.14.0 -

II. Public POCs for CVE-2026-58007

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III. Intelligence Information for CVE-2026-58007

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Other References for CVE-2026-58007 (1)

Same Patch Batch · Altera · 2026-09-24 · 8 CVEs total

CVE-2026-58008 8.1 HIGH Unchecked HKDF key-size input in EL3 causes a stack buffer overflow
CVE-2026-58004 8.1 HIGH Crafted oversized firmware image causes EL3 stack overflow during VAB authentication on Tr
CVE-2026-58005 8.1 HIGH Unvalidated SiP v2 mailbox pointers allow non-secure EL1 access to arbitrary physical addr
CVE-2026-58006 8.1 HIGH Altera SoCFPGA BL31 Mailbox Output Pointer Validation Enables EL3 Secure-Memory Corruption
CVE-2026-13465 8.1 HIGH EL3 Stack Buffer Overflow in FCS HKDF Request
CVE-2026-13467 8.1 HIGH Systemic Missing Address Validation in SiP SMC Handlers
CVE-2026-13466 8.1 HIGH Unit Confusion in VAB Authentication

IV. Related Vulnerabilities

Same product: Trusted Firmware
Same vendor: Altera
Same weakness: CWE-822

V. Comments for CVE-2026-58007

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