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.

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1791537402 advisory.

  - 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. (CVE-2024-7883)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1791537402 advisory.

  - 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. (CVE-2024-7883)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - 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. (CVE-2024-7883)

The version of clang installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-7883 advisory.

  - 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. (CVE-2024-7883)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2024-7883)

Note that Nessus relies on the presence of the package as reported by the vendor.

According to the versions of the llvm packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    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.(CVE-2024-7883)

Tenable has extracted the preceding description block directly from the EulerOS llvm security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the llvm packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    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.(CVE-2024-7883)

Tenable has extracted the preceding description block directly from the EulerOS llvm security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
364441	Rocky Linux 9.6 [TuxCare] Security Update: clang / clang-analyzer / clang-devel / clang-libs / etc (ALMALINUX9.6:CLSA-2026:1791537402)	Nessus	Rocky Linux Local Security Checks	Local	low
364440	AlmaLinux 9.6 [TuxCare] Security Update: clang / clang-analyzer / clang-devel / clang-libs / etc (ALMALINUX9.6:CLSA-2026:1791537402)	Nessus	Alma Linux Local Security Checks	Local	low
462961	Echo: llvm-toolchain-17: security update to 1:17.0.6-22+e2llvm-toolchain-19: security update to 1:19.1.4-1~deb12u1+e2	Tenable Cloud Security	Echo Local Security Checks	Local	low
462961	Echo: llvm-toolchain-17: security update to 1:17.0.6-22+e2llvm-toolchain-19: security update to 1:19.1.4-1~deb12u1+e2	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	low
296167	Azure Linux 3.0 Security Update: clang (CVE-2024-7883)	Nessus	Azure Linux Local Security Checks	Local	low
251258	Linux Distros Unpatched Vulnerability : CVE-2024-7883	Nessus	Misc.	Local	low
235404	EulerOS 2.0 SP12 : llvm (EulerOS-SA-2025-1428)	Nessus	Huawei Local Security Checks	Local	low
235394	EulerOS 2.0 SP12 : llvm (EulerOS-SA-2025-1427)	Nessus	Huawei Local Security Checks	Local	low
233625	EulerOS 2.0 SP13 : llvm (EulerOS-SA-2025-1319)	Nessus	Huawei Local Security Checks	Local	low
233612	EulerOS 2.0 SP13 : llvm (EulerOS-SA-2025-1336)	Nessus	Huawei Local Security Checks	Local	low

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CVE-2024-7883

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