CVE-2025-39892 (GCVE-0-2025-39892)
Vulnerability from cvelistv5
Published
2025-10-01 07:42
Modified
2025-10-01 07:42
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-core: care NULL dirver name on snd_soc_lookup_component_nolocked() soc-generic-dmaengine-pcm.c uses same dev for both CPU and Platform. In such case, CPU component driver might not have driver->name, then snd_soc_lookup_component_nolocked() will be NULL pointer access error. Care NULL driver name. Call trace: strcmp from snd_soc_lookup_component_nolocked+0x64/0xa4 snd_soc_lookup_component_nolocked from snd_soc_unregister_component_by_driver+0x2c/0x44 snd_soc_unregister_component_by_driver from snd_dmaengine_pcm_unregister+0x28/0x64 snd_dmaengine_pcm_unregister from devres_release_all+0x98/0xfc devres_release_all from device_unbind_cleanup+0xc/0x60 device_unbind_cleanup from really_probe+0x220/0x2c8 really_probe from __driver_probe_device+0x88/0x1a0 __driver_probe_device from driver_probe_device+0x30/0x110 driver_probe_device from __driver_attach+0x90/0x178 __driver_attach from bus_for_each_dev+0x7c/0xcc bus_for_each_dev from bus_add_driver+0xcc/0x1ec bus_add_driver from driver_register+0x80/0x11c driver_register from do_one_initcall+0x58/0x23c do_one_initcall from kernel_init_freeable+0x198/0x1f4 kernel_init_freeable from kernel_init+0x1c/0x12c kernel_init from ret_from_fork+0x14/0x28
References
Impacted products
Vendor Product Version
Linux Linux Version: 144d6dfc7482455eabf8e8caa974a6e8d9572705
Version: 144d6dfc7482455eabf8e8caa974a6e8d9572705
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "sound/soc/soc-core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "1d282dcd46d972be338085ae9e217462b366ce6e",
              "status": "affected",
              "version": "144d6dfc7482455eabf8e8caa974a6e8d9572705",
              "versionType": "git"
            },
            {
              "lessThan": "168873ca1799d3f23442b9e79eae55f907b9b126",
              "status": "affected",
              "version": "144d6dfc7482455eabf8e8caa974a6e8d9572705",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "sound/soc/soc-core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.16"
            },
            {
              "lessThan": "6.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16.6",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: soc-core: care NULL dirver name on snd_soc_lookup_component_nolocked()\n\nsoc-generic-dmaengine-pcm.c uses same dev for both CPU and Platform.\nIn such case, CPU component driver might not have driver-\u003ename, then\nsnd_soc_lookup_component_nolocked() will be NULL pointer access error.\nCare NULL driver name.\n\n\tCall trace:\n\t strcmp from snd_soc_lookup_component_nolocked+0x64/0xa4\n\t snd_soc_lookup_component_nolocked from snd_soc_unregister_component_by_driver+0x2c/0x44\n\t snd_soc_unregister_component_by_driver from snd_dmaengine_pcm_unregister+0x28/0x64\n\t snd_dmaengine_pcm_unregister from devres_release_all+0x98/0xfc\n\t devres_release_all from device_unbind_cleanup+0xc/0x60\n\t device_unbind_cleanup from really_probe+0x220/0x2c8\n\t really_probe from __driver_probe_device+0x88/0x1a0\n\t __driver_probe_device from driver_probe_device+0x30/0x110\n\tdriver_probe_device from __driver_attach+0x90/0x178\n\t__driver_attach from bus_for_each_dev+0x7c/0xcc\n\tbus_for_each_dev from bus_add_driver+0xcc/0x1ec\n\tbus_add_driver from driver_register+0x80/0x11c\n\tdriver_register from do_one_initcall+0x58/0x23c\n\tdo_one_initcall from kernel_init_freeable+0x198/0x1f4\n\tkernel_init_freeable from kernel_init+0x1c/0x12c\n\tkernel_init from ret_from_fork+0x14/0x28"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-01T07:42:41.643Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/1d282dcd46d972be338085ae9e217462b366ce6e"
        },
        {
          "url": "https://git.kernel.org/stable/c/168873ca1799d3f23442b9e79eae55f907b9b126"
        }
      ],
      "title": "ASoC: soc-core: care NULL dirver name on snd_soc_lookup_component_nolocked()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39892",
    "datePublished": "2025-10-01T07:42:41.643Z",
    "dateReserved": "2025-04-16T07:20:57.145Z",
    "dateUpdated": "2025-10-01T07:42:41.643Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-39892\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-01T08:15:31.733\",\"lastModified\":\"2025-10-02T19:12:17.160\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nASoC: soc-core: care NULL dirver name on snd_soc_lookup_component_nolocked()\\n\\nsoc-generic-dmaengine-pcm.c uses same dev for both CPU and Platform.\\nIn such case, CPU component driver might not have driver-\u003ename, then\\nsnd_soc_lookup_component_nolocked() will be NULL pointer access error.\\nCare NULL driver name.\\n\\n\\tCall trace:\\n\\t strcmp from snd_soc_lookup_component_nolocked+0x64/0xa4\\n\\t snd_soc_lookup_component_nolocked from snd_soc_unregister_component_by_driver+0x2c/0x44\\n\\t snd_soc_unregister_component_by_driver from snd_dmaengine_pcm_unregister+0x28/0x64\\n\\t snd_dmaengine_pcm_unregister from devres_release_all+0x98/0xfc\\n\\t devres_release_all from device_unbind_cleanup+0xc/0x60\\n\\t device_unbind_cleanup from really_probe+0x220/0x2c8\\n\\t really_probe from __driver_probe_device+0x88/0x1a0\\n\\t __driver_probe_device from driver_probe_device+0x30/0x110\\n\\tdriver_probe_device from __driver_attach+0x90/0x178\\n\\t__driver_attach from bus_for_each_dev+0x7c/0xcc\\n\\tbus_for_each_dev from bus_add_driver+0xcc/0x1ec\\n\\tbus_add_driver from driver_register+0x80/0x11c\\n\\tdriver_register from do_one_initcall+0x58/0x23c\\n\\tdo_one_initcall from kernel_init_freeable+0x198/0x1f4\\n\\tkernel_init_freeable from kernel_init+0x1c/0x12c\\n\\tkernel_init from ret_from_fork+0x14/0x28\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/168873ca1799d3f23442b9e79eae55f907b9b126\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1d282dcd46d972be338085ae9e217462b366ce6e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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