cve-2024-42255
Vulnerability from cvelistv5
Published
2024-08-08 08:49
Modified
2024-12-19 09:14
Severity ?
Summary
tpm: Use auth only after NULL check in tpm_buf_check_hmac_response()
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


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                "id": "CVE-2024-42255",
                "options": [
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                    "Exploitation": "none"
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                    "Automatable": "no"
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                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T16:13:03.203312Z",
                "version": "2.0.3"
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "product": "Linux",
          "programFiles": [
            "drivers/char/tpm/tpm2-sessions.c"
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      ],
      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: Use auth only after NULL check in tpm_buf_check_hmac_response()\n\nDereference auth after NULL check in tpm_buf_check_hmac_response().\nOtherwise, unless tpm2_sessions_init() was called, a call can cause NULL\ndereference, when TCG_TPM2_HMAC is enabled.\n\n[jarkko: adjusted the commit message.]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-19T09:14:57.702Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/7dc357d343f134bf59815ff6098b93503ec8a23b"
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      "title": "tpm: Use auth only after NULL check in tpm_buf_check_hmac_response()",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-42255",
    "datePublished": "2024-08-08T08:49:15.078Z",
    "dateReserved": "2024-07-30T07:40:12.257Z",
    "dateUpdated": "2024-12-19T09:14:57.702Z",
    "state": "PUBLISHED"
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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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