CVE-2022-50888 (GCVE-0-2022-50888)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:37 – Updated: 2025-12-30 12:37
VLAI?
Title
remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio()
Summary
In the Linux kernel, the following vulnerability has been resolved: remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio() q6v5_wcss_init_mmio() will call platform_get_resource_byname() that may fail and return NULL. devm_ioremap() will use res->start as input, which may causes null-ptr-deref. Check the ret value of platform_get_resource_byname() to avoid the null-ptr-deref.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 0af65b9b915e52019aee91db3e1f8b39a7ec8d08 , < 098ebb9089c4eedea09333f912d105fa63377496 (git)
Affected: 0af65b9b915e52019aee91db3e1f8b39a7ec8d08 , < 3afa88ae9911b65702a3aca9d92ea23fe496e56f (git)
Affected: 0af65b9b915e52019aee91db3e1f8b39a7ec8d08 , < 0903a87490a9ed456ac765a84dcc484c1ee42c32 (git)
Affected: 0af65b9b915e52019aee91db3e1f8b39a7ec8d08 , < f360e2b275efbb745ba0af8b47d9ef44221be586 (git)
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    Linux Linux Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 5.15.86 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
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{
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        {
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          "product": "Linux",
          "programFiles": [
            "drivers/remoteproc/qcom_q6v5_wcss.c"
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          "vendor": "Linux",
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nremoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio()\n\nq6v5_wcss_init_mmio() will call platform_get_resource_byname() that may\nfail and return NULL. devm_ioremap() will use res-\u003estart as input, which\nmay causes null-ptr-deref. Check the ret value of\nplatform_get_resource_byname() to avoid the null-ptr-deref."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-30T12:37:06.269Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
        {
          "url": "https://git.kernel.org/stable/c/f360e2b275efbb745ba0af8b47d9ef44221be586"
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      ],
      "title": "remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio()",
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  "cveMetadata": {
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    "cveId": "CVE-2022-50888",
    "datePublished": "2025-12-30T12:37:06.269Z",
    "dateReserved": "2025-12-30T12:35:41.595Z",
    "dateUpdated": "2025-12-30T12:37:06.269Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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