CVE-2025-38438 (GCVE-0-2025-38438)

Vulnerability from cvelistv5 – Published: 2025-07-25 15:27 – Updated: 2026-05-11 21:27
VLAI
Title
ASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak.
Summary
In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak. sof_pdata->tplg_filename can have address allocated by kstrdup() and can be overwritten. Memory leak was detected with kmemleak: unreferenced object 0xffff88812391ff60 (size 16): comm "kworker/4:1", pid 161, jiffies 4294802931 hex dump (first 16 bytes): 73 6f 66 2d 68 64 61 2d 67 65 6e 65 72 69 63 00 sof-hda-generic. backtrace (crc 4bf1675c): __kmalloc_node_track_caller_noprof+0x49c/0x6b0 kstrdup+0x46/0xc0 hda_machine_select.cold+0x1de/0x12cf [snd_sof_intel_hda_generic] sof_init_environment+0x16f/0xb50 [snd_sof] sof_probe_continue+0x45/0x7c0 [snd_sof] sof_probe_work+0x1e/0x40 [snd_sof] process_one_work+0x894/0x14b0 worker_thread+0x5e5/0xfb0 kthread+0x39d/0x760 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: dd96daca6c83ecaf37f38ff49d8d174bbff576b4 , < 68397fda2caa90e99a7c0bcb2cf604e42ef3b91f (git)
Affected: dd96daca6c83ecaf37f38ff49d8d174bbff576b4 , < 58ecf51af12cb32b890858b52b2c34e80590c74a (git)
Affected: dd96daca6c83ecaf37f38ff49d8d174bbff576b4 , < 6c038b58a2dc5a008c7e7a1297f5aaa4deaaaa7e (git)
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Linux Linux Affected: 5.2
Unaffected: 0 , < 5.2 (semver)
Unaffected: 6.12.39 , ≤ 6.12.* (semver)
Unaffected: 6.15.7 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "sound/soc/sof/intel/hda.c"
          ],
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          "vendor": "Linux",
          "versions": [
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          "vendor": "Linux",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak.\n\nsof_pdata-\u003etplg_filename can have address allocated by kstrdup()\nand can be overwritten. Memory leak was detected with kmemleak:\n\nunreferenced object 0xffff88812391ff60 (size 16):\n  comm \"kworker/4:1\", pid 161, jiffies 4294802931\n  hex dump (first 16 bytes):\n    73 6f 66 2d 68 64 61 2d 67 65 6e 65 72 69 63 00  sof-hda-generic.\n  backtrace (crc 4bf1675c):\n    __kmalloc_node_track_caller_noprof+0x49c/0x6b0\n    kstrdup+0x46/0xc0\n    hda_machine_select.cold+0x1de/0x12cf [snd_sof_intel_hda_generic]\n    sof_init_environment+0x16f/0xb50 [snd_sof]\n    sof_probe_continue+0x45/0x7c0 [snd_sof]\n    sof_probe_work+0x1e/0x40 [snd_sof]\n    process_one_work+0x894/0x14b0\n    worker_thread+0x5e5/0xfb0\n    kthread+0x39d/0x760\n    ret_from_fork+0x31/0x70\n    ret_from_fork_asm+0x1a/0x30"
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      "title": "ASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak.",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38438",
    "datePublished": "2025-07-25T15:27:17.917Z",
    "dateReserved": "2025-04-16T04:51:24.016Z",
    "dateUpdated": "2026-05-11T21:27:59.571Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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      "date": "2026-05-26",
      "epss": "0.00049",
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.