CVE-2024-7883 - Arm Cortex-M Security Extensions (CMSE) Floating-Point Registers Leaky Secure Stack (Vendor/ProductName Secure Stack Confidentiality Leakage)

CVE ID : CVE-2024-7883
Published : Oct. 31, 2024, 5:15 p.m. | 24 minutes ago
Description : When using Arm Cortex-M Security Extensions (CMSE), Secure stack contents can be leaked to Non-secure state via floating-point registers when a Secure to Non-secure function call is made that returns a floating-point value and when this is the first use of floating-point since entering Secure state. This allows an attacker to read a limited quantity of Secure stack contents with an impact on confidentiality. This issue is specific to code generated using LLVM-based compilers.
Severity: 3.7 | LOW
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