CVE-2023-53335 (GCVE-0-2023-53335)
Vulnerability from cvelistv5
Published
2025-09-17 14:56
Modified
2025-09-17 14:56
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: Fix potential null-ptr-deref in pass_establish() If get_ep_from_tid() fails to lookup non-NULL value for ep, ep is dereferenced later regardless of whether it is empty. This patch adds a simple sanity check to fix the issue. Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/283861a4c52c1ea4df3dd1b6fc75a50796ce3524
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2cfc00e974d75a3aa8155f2660f57d342e1f67ca
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9dca64042d855a24b0bd81ce242e5dc7e939f6eb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9ddc77eefb2a567b705c3c86ab2ddabe43cadf1b
Impacted products
Vendor Product Version
Linux Linux Version: 944661dd97f4f257cd914fffec7eb80832ff9141
Version: 944661dd97f4f257cd914fffec7eb80832ff9141
Version: 944661dd97f4f257cd914fffec7eb80832ff9141
Version: 944661dd97f4f257cd914fffec7eb80832ff9141
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   Linux Linux Version: 4.7
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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/hw/cxgb4/cm.c"
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          "vendor": "Linux",
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          "vendor": "Linux",
          "versions": [
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            },
            {
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              "version": "0",
              "versionType": "semver"
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      "cpeApplicability": [
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                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cxgb4: Fix potential null-ptr-deref in pass_establish()\n\nIf get_ep_from_tid() fails to lookup non-NULL value for ep, ep is\ndereferenced later regardless of whether it is empty.\nThis patch adds a simple sanity check to fix the issue.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."
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      "providerMetadata": {
        "dateUpdated": "2025-09-17T14:56:29.672Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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      ],
      "title": "RDMA/cxgb4: Fix potential null-ptr-deref in pass_establish()",
      "x_generator": {
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53335",
    "datePublished": "2025-09-17T14:56:29.672Z",
    "dateReserved": "2025-09-16T16:08:59.565Z",
    "dateUpdated": "2025-09-17T14:56:29.672Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
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  }
}


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