CVE-2021-31571 Integer overflow in n/a
Critical 9.8
Published
Updated
Check this codebase for CVE-2021-31571 and fix it if it is affected.
What it is: CVE-2021-31571 is a critical vulnerability in n/a, published on 22 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-31571 in the wild and no public exploit code.
Affected product: n/a. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2021-31571/ (Markdown: https://insights.sbomify.com/CVE-2021-31571/index.md)
An integer overflow in the FreeRTOS kernel queue creation allows attackers to cause denial of service or execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-31571?
CVE-2021-31571 is a critical vulnerability in n/a, published on 22 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The kernel in Amazon Web Services FreeRTOS before 10.4.3 has an integer overflow in queue.c for queue creation.
Weakness: CWE-190
Which versions are affected by CVE-2021-31571?
It affects 1 product.
Products include Amazon Freertos.
How do I fix CVE-2021-31571?
No fix has been published for CVE-2021-31571 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-31571 being exploited?
There is no known exploitation of CVE-2021-31571 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2021-32020 Memory corruption in n/a
- CVE-2021-31572 Integer overflow in n/a
- CVE-2026-77234 Improper input validation in FreeRTOS-Kernel timer command handling
- CVE-2024-28115 Privilege Escalation in FreeRTOS Kernel ARMv7-M MPU ports and ARMv8-M ports with MPU support enabled
- CVE-2026-77235 Missing privilege check in SecureContext_FreeContext in FreeRTOS-Kernel
Sources
Also known as GHSA-9w8f-v252-8chc.