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CVE-2025-39834 net/mlx5: HWS, Fix memory leak in hws_action_get_shared_stc_nic error flow

🗓️ 16 Sep 2025 13:08:50Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

CVE-2025-39834 fixes a memory leak in mlx5 HWS when invalid stc_type occurs by freeing via free_shared_stc.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/mellanox/mlx5/core/steering/hws/action.c"
    ],
    "versions": [
      {
        "version": "504e536d90104c850731840d3fbc95acf251f11b",
        "lessThan": "051fd8576a2e4e95d5870c5c9f8679c5b16882e4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "504e536d90104c850731840d3fbc95acf251f11b",
        "lessThan": "a630f83592cdad1253523a1b760cfe78fef6cd9c",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/mellanox/mlx5/core/steering/hws/action.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.5",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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