{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-64315",
  "modified": "2026-10-09T11:39:44Z",
  "upstream": [
    "CVE-2026-64315"
  ],
  "published": "2026-07-25T08:51:45Z",
  "summary": "crypto: caam - use print_hex_dump_devel to guard key hex dumps",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: caam - use print_hex_dump_devel to guard key hex dumps\n\nUse print_hex_dump_devel() for dumping sensitive key material in\n*_setkey() to avoid leaking secrets at runtime when CONFIG_DYNAMIC_DEBUG\nis enabled.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.178",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-64315"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1ec775f6a124cce6278ae58b7d1c78a3bc6eef23"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/bcf3cf74dfb6981e18b22cbf561f859a0f7faa26"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6407dc85d0a4306681cf6c9be7f05e05dcb67a37"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c8cfe11e48b2a4646fa662fcaa92e14810a28d46"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8904b425cfcafe6a820c94b9bdf4b10f7d70f9d7"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d0b8cafd529b4ec759190c6081f7a76efb563a8f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/59057f5d4e9a195c6dd61695ad3bc4481ddf4f14"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8005dc808bcce7d6cc2ae015a3cde1683bee602d"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-17T05:24:08Z",
    "severity": {
      "source": "kernel CNA",
      "cvss_v3_score": 7.0,
      "cvss_v3_severity": "High",
      "scenario": "AV:L - The exposed keys are obtained through local kernel-log interfaces such as /dev/kmsg or syslog; network consumers can cause key installation, but the secret is not returned remotely.\nAC:H - The DPAA2 CAAM implementation must be selected and its normally disabled dynamic-debug callsite must have been enabled by boot configuration or an administrator, a condition an unprivileged attacker cannot create.\nPR:L - On systems with dmesg_restrict disabled, an ordinary local user can read the global kernel log and can invoke the affected callbacks through AF_ALG without capabilities.\nUI:N - No victim action is required after the vulnerable logging configuration is active; services and protocol stacks install keys during normal operation.\nS:U - The disclosure and resulting compromise of kernel-protected cryptographic sessions remain within the host kernel's security authority.\nC:H - The dumps contain complete encryption and authentication keys, including RFC4106/RFC4543 salt material, enabling decryption of protected IPsec, SMB, or other traffic.\nI:H - Disclosed AEAD or authentication keys permit valid ciphertexts and authentication tags to be forged, enabling unauthorized modification of protected communications.\nA:H - An AF_ALG caller can trigger the unratelimited dumps continuously, potentially stalling systems using slow debug consoles, while stolen authentication keys can also sustain disruption of protected IPsec or SMB sessions."
    }
  }
}
