---
id: CVE-2026-64316
title: 'crypto: caam - use print_hex_dump_devel to guard key hex dumps'
summary: |-
  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…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 <
    45c0e3615e5bca5f1fc93357af8d19975c092d4f
  - >-
    Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 <
    8b56ba10105ca34a4b75f7e33d41d96a63815591
  - >-
    Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 <
    9a53dc0a0ae0486e164e5af3de5f99ab42c5a23e
  - >-
    Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 <
    ebd37eef6e4f435e18829c0c0c9ba3a6618cb2dd
  - >-
    Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 <
    cea7302d5d05df74cfb4107897b1ca34163c06b9
  - >-
    Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 <
    6f7b8e0321f3a8fbbd267d2ac15c671ab59e919e
  - >-
    Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 <
    8cf5fb0503129e53052fe29302379cf83891d0fb
  - >-
    Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 <
    3f57657b6ea23f933371f2c2846322f441773cee
  - Linux 5.3
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T16:34:52.622305Z'
published: '2026-07-25'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T16:44:44.826Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-64316'
references:
  - url: 'https://git.kernel.org/stable/c/45c0e3615e5bca5f1fc93357af8d19975c092d4f'
  - url: 'https://git.kernel.org/stable/c/8b56ba10105ca34a4b75f7e33d41d96a63815591'
  - url: 'https://git.kernel.org/stable/c/9a53dc0a0ae0486e164e5af3de5f99ab42c5a23e'
  - url: 'https://git.kernel.org/stable/c/ebd37eef6e4f435e18829c0c0c9ba3a6618cb2dd'
  - url: 'https://git.kernel.org/stable/c/cea7302d5d05df74cfb4107897b1ca34163c06b9'
  - url: 'https://git.kernel.org/stable/c/6f7b8e0321f3a8fbbd267d2ac15c671ab59e919e'
  - url: 'https://git.kernel.org/stable/c/8cf5fb0503129e53052fe29302379cf83891d0fb'
  - url: 'https://git.kernel.org/stable/c/3f57657b6ea23f933371f2c2846322f441773cee'
tags:
  - cve.org
epss: 0.00123
epssPercentile: 0.02055
ingestedAt: '2026-11-06T16:57:43.200Z'
---

## Overview

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.

## Affected

- `Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 < 45c0e3615e5bca5f1fc93357af8d19975c092d4f`
- `Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 < 8b56ba10105ca34a4b75f7e33d41d96a63815591`
- `Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 < 9a53dc0a0ae0486e164e5af3de5f99ab42c5a23e`
- `Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 < ebd37eef6e4f435e18829c0c0c9ba3a6618cb2dd`
- `Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 < cea7302d5d05df74cfb4107897b1ca34163c06b9`
- `Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 < 6f7b8e0321f3a8fbbd267d2ac15c671ab59e919e`
- `Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 < 8cf5fb0503129e53052fe29302379cf83891d0fb`
- `Linux >= 6e005503199b9bf1b385949c05897fd6567b5af4 < 3f57657b6ea23f933371f2c2846322f441773cee`
- `Linux 5.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.