{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-23149",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-23149"
  ],
  "published": "2025-05-01T13:03:03Z",
  "summary": "tpm: do not start chip while suspended",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: do not start chip while suspended\n\nChecking TPM_CHIP_FLAG_SUSPENDED after the call to tpm_find_get_ops() can\nlead to a spurious tpm_chip_start() call:\n\n[35985.503771] i2c i2c-1: Transfer while suspended\n[35985.503796] WARNING: CPU: 0 PID: 74 at drivers/i2c/i2c-core.h:56 __i2c_transfer+0xbe/0x810\n[35985.503802] Modules linked in:\n[35985.503808] CPU: 0 UID: 0 PID: 74 Comm: hwrng Tainted: G        W          6.13.0-next-20250203-00005-gfa0cb5642941 #19 9c3d7f78192f2d38e32010ac9c90fdc71109ef6f\n[35985.503814] Tainted: [W]=WARN\n[35985.503817] Hardware name: Google Morphius/Morphius, BIOS Google_Morphius.13434.858.0 10/26/2023\n[35985.503819] RIP: 0010:__i2c_transfer+0xbe/0x810\n[35985.503825] Code: 30 01 00 00 4c 89 f7 e8 40 fe d8 ff 48 8b 93 80 01 00 00 48 85 d2 75 03 49 8b 16 48 c7 c7 0a fb 7c a7 48 89 c6 e8 32 ad b0 fe <0f> 0b b8 94 ff ff ff e9 33 04 00 00 be 02 00 00 00 83 fd 02 0f 5\n[35985.503828] RSP: 0018:ffffa106c0333d30 EFLAGS: 00010246\n[35985.503833] RAX: 074ba64aa20f7000 RBX: ffff8aa4c1167120 RCX: 0000000000000000\n[35985.503836] RDX: 0000000000000000 RSI: ffffffffa77ab0e4 RDI: 0000000000000001\n[35985.503838] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000\n[35985.503841] R10: 0000000000000004 R11: 00000001000313d5 R12: ffff8aa4c10f1820\n[35985.503843] R13: ffff8aa4c0e243c0 R14: ffff8aa4c1167250 R15: ffff8aa4c1167120\n[35985.503846] FS:  0000000000000000(0000) GS:ffff8aa4eae00000(0000) knlGS:0000000000000000\n[35985.503849] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[35985.503852] CR2: 00007fab0aaf1000 CR3: 0000000105328000 CR4: 00000000003506f0\n[35985.503855] Call Trace:\n[35985.503859]  <TASK>\n[35985.503863]  ? __warn+0xd4/0x260\n[35985.503868]  ? __i2c_transfer+0xbe/0x810\n[35985.503874]  ? report_bug+0xf3/0x210\n[35985.503882]  ? handle_bug+0x63/0xb0\n[35985.503887]  ? exc_invalid_op+0x16/0x50\n[35985.503892]  ? asm_exc_invalid_op+0x16/0x20\n[35985.503904]  ? __i2c_transfer+0xbe/0x810\n[35985.503913]  tpm_cr50_i2c_transfer_message+0x24/0xf0\n[35985.503920]  tpm_cr50_i2c_read+0x8e/0x120\n[35985.503928]  tpm_cr50_request_locality+0x75/0x170\n[35985.503935]  tpm_chip_start+0x116/0x160\n[35985.503942]  tpm_try_get_ops+0x57/0x90\n[35985.503948]  tpm_find_get_ops+0x26/0xd0\n[35985.503955]  tpm_get_random+0x2d/0x80\n\nDon't move forward with tpm_chip_start() inside tpm_try_get_ops(), unless\nTPM_CHIP_FLAG_SUSPENDED is not set. tpm_find_get_ops() will return NULL in\nsuch a failure case.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.6.74-1+rpt1",
        "1:6.12.20-1+rpt1~bpo12+1"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.6.74+rpt-rpi-2712",
            "binary_version": "1:6.6.74-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.6.74+rpt-rpi-v6",
            "binary_version": "1:6.6.74-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.6.74+rpt-rpi-v7",
            "binary_version": "1:6.6.74-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.6.74+rpt-rpi-v7l",
            "binary_version": "1:6.6.74-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.6.74+rpt-rpi-v8",
            "binary_version": "1:6.6.74-1+rpt1"
          },
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            "binary_version": "1:6.12.20-1+rpt1~bpo12+1"
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          },
          {
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            "binary_version": "1:6.12.20-1+rpt1~bpo12+1"
          },
          {
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            "binary_version": "1:6.12.20-1+rpt1~bpo12+1"
          },
          {
            "binary_name": "linux-image-6.12.20+rpt-rpi-v8",
            "binary_version": "1:6.12.20-1+rpt1~bpo12+1"
          }
        ]
      },
      "database_specific": {
        "per_version": {
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            "linux_commit": "a18d9ced4965462cb7b3b4252ada440395105308",
            "upstream_version": "6.6.74",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.6.88"
          },
          "1:6.12.20-1+rpt1~bpo12+1": {
            "linux_commit": "cd231d4775b14f228606c09f219b48308f6ab3aa",
            "upstream_version": "6.12.20",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.12.24"
          }
        }
      }
    },
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:13",
        "name": "linux"
      },
      "versions": [
        "1:6.12.19-1+rpt1~bpo12+1",
        "1:6.12.19-1+rpt1",
        "1:6.12.20-1+rpt1"
      ],
      "ecosystem_specific": {
        "binaries": [
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            "binary_version": "1:6.12.19-1+rpt1~bpo12+1"
          },
          {
            "binary_name": "linux-image-6.12.19+rpt-rpi-v6",
            "binary_version": "1:6.12.19-1+rpt1~bpo12+1"
          },
          {
            "binary_name": "linux-image-6.12.19+rpt-rpi-v7",
            "binary_version": "1:6.12.19-1+rpt1~bpo12+1"
          },
          {
            "binary_name": "linux-image-6.12.19+rpt-rpi-v7l",
            "binary_version": "1:6.12.19-1+rpt1~bpo12+1"
          },
          {
            "binary_name": "linux-image-6.12.19+rpt-rpi-v8",
            "binary_version": "1:6.12.19-1+rpt1~bpo12+1"
          },
          {
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            "binary_version": "1:6.12.19-1+rpt1"
          },
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            "binary_version": "1:6.12.19-1+rpt1"
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            "binary_version": "1:6.12.19-1+rpt1"
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            "binary_version": "1:6.12.19-1+rpt1"
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            "binary_version": "1:6.12.19-1+rpt1"
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            "binary_version": "1:6.12.20-1+rpt1"
          },
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            "binary_name": "linux-image-6.12.20+rpt-rpi-v6",
            "binary_version": "1:6.12.20-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.12.20+rpt-rpi-v7",
            "binary_version": "1:6.12.20-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.12.20+rpt-rpi-v7l",
            "binary_version": "1:6.12.20-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.12.20+rpt-rpi-v8",
            "binary_version": "1:6.12.20-1+rpt1"
          }
        ]
      },
      "database_specific": {
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            "linux_commit": "121c2c384b9c2f4790ffb31b2cd25c7d75c8fda0",
            "upstream_version": "6.12.19",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.12.24"
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            "assessment": "commit ancestry (strak rule)",
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            "assessment": "commit ancestry (strak rule)",
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          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-23149"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1404dff1e11bf927b70ac25e1de97bed9742ede4"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f3cb81cb96d587f9f235a11789d1ec0992643078"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e74e2394eed90aff5c3a08c1f51f476d4de71d02"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f1044e995b64d70ef90ef6f2b89955b127497702"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/17d253af4c2c8a2acf84bb55a0c2045f150b7dfd"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-24T06:48:58Z"
  }
}