--- title: "CVE-2024-7883\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2024-7883?format=md keywords: index, follow --- # CVE-2024-7883 Publication date 31 October 2024 Last updated 12 February 2026 --- Ubuntu priority **Low** [Why this priority?](https://ubuntu.com/security/CVE-2024-7883?format=md#priority-reason ) ## Cvss 3 Severity Score **3.7 · Low** [Score breakdown](https://ubuntu.com/security/CVE-2024-7883?format=md#impact-score) Toggle side navigation ## 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. [Read the notes from the security team](https://ubuntu.com/security/CVE-2024-7883?format=md#notes) ### Why is this CVE low priority? Doesn't affect the default build flags in Ubuntu [Learn more about Ubuntu priority](https://ubuntu.com/security/cves/about#priority) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | llvm-toolchain-14 | 26.04 LTS resolute | Not in release | | 25.10 questing | Ignored end of life, was needs-triage | | 25.04 plucky | Ignored end of life, was needs-triage | | 24.10 oracular | Ignored end of life, was needs-triage | | 24.04 LTS noble | Vulnerable | | 22.04 LTS jammy | Vulnerable | | 20.04 LTS focal | Not in release | | llvm-toolchain-17 | 26.04 LTS resolute | Vulnerable | | 25.10 questing | Ignored end of life, was needed | | 25.04 plucky | Ignored end of life, was needs-triage | | 24.10 oracular | Ignored end of life, was needs-triage | | 24.04 LTS noble | Vulnerable | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | llvm-toolchain-18 | 26.04 LTS resolute | Not affected | | 25.10 questing | Ignored end of life, was needed | | 25.04 plucky | Ignored end of life, was needs-triage | | 24.10 oracular | Ignored end of life, was needs-triage | | 24.04 LTS noble | Vulnerable | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Needs evaluation | | llvm-toolchain-19 | 26.04 LTS resolute | Not affected | | 25.10 questing | Ignored end of life, was needed | | 25.04 plucky | Ignored end of life, was needs-triage | | 24.10 oracular | Ignored end of life, was needs-triage | | 24.04 LTS noble | Vulnerable | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | llvm-toolchain-11 | 26.04 LTS resolute | Not in release | | 25.10 questing | Not in release | | 25.04 plucky | Not in release | | 24.10 oracular | Not in release | | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Vulnerable | | 20.04 LTS focal | Vulnerable | | llvm-toolchain-12 | 26.04 LTS resolute | Not in release | | 25.10 questing | Not in release | | 25.04 plucky | Not in release | | 24.10 oracular | Not in release | | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Vulnerable | | 20.04 LTS focal | Vulnerable | | llvm-toolchain-13 | 26.04 LTS resolute | Not in release | | 25.10 questing | Not in release | | 25.04 plucky | Not in release | | 24.10 oracular | Not in release | | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Vulnerable | | 20.04 LTS focal | Not in release | | llvm-toolchain-15 | 26.04 LTS resolute | Not in release | | 25.10 questing | Not in release | | 25.04 plucky | Ignored end of life, was needs-triage | | 24.10 oracular | Ignored end of life, was needs-triage | | 24.04 LTS noble | Vulnerable | | 22.04 LTS jammy | Vulnerable | | 20.04 LTS focal | Not in release | | llvm-toolchain-16 | 26.04 LTS resolute | Not in release | | 25.10 questing | Not in release | | 25.04 plucky | Not in release | | 24.10 oracular | Ignored end of life, was needs-triage | | 24.04 LTS noble | Vulnerable | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## Notes --- ### [hlibk](https://launchpad.net/~hlibk) According to ARM advisory, affects llvm-toolchain versions 11 to 19 inclusive. Fixed in 20.1.0-rc1. ## Severity score breakdown CVSS version: CVSS v3.0 **Base score** 3.7 · Low * Base metrics | Parameter | Value | | --- | --- | | Attack vector | Network | | Attack complexity | High | | Privileges required | None | | User interaction | None | | Scope | Unchanged | | Confidentiality impact | Low | | Integrity impact | None | | Availability impact | None | * Scores | Parameter | Value | | --- | --- | | Base score | 3.7 · Low | | Exploitability score | - | | Impact score | - | **Vector:** CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7883) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2024-7883) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2024-7883) * [Debian](https://security-tracker.debian.org/tracker/CVE-2024-7883) ### Other references * * *