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CVE-2026-72032 net/mlx5: HWS, fix matcher leak on resize target setup failure

🗓️ 15 Aug 2026 05:51:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

net/mlx5 HWS leaks replacement matcher on resize target setup failure, fixed in kernel v7.1.1.

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/bwc.c"
    ],
    "versions": [
      {
        "version": "2111bb970c787b16b002dc726c1d296ce87a00fb",
        "lessThan": "a751ccdc6ea9bde154f25a5ba66926f462f96c19",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2111bb970c787b16b002dc726c1d296ce87a00fb",
        "lessThan": "1dce4f4bb3c1c02080b1a45bdd2abb2913a6642a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2111bb970c787b16b002dc726c1d296ce87a00fb",
        "lessThan": "ae0265f0a95aaacef59d560a3e1ea36db8be9a52",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2111bb970c787b16b002dc726c1d296ce87a00fb",
        "lessThan": "bb09d0e64ecaa0aa0f7d1133a1696ed74dead295",
        "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/bwc.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.101",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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