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CVE-2026-72072 net/mlx5e: macsec: fix use-after-free of metadata_dst on RX SC delete

🗓️ 15 Aug 2026 05:52:23Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

Linux kernel mlx5e MACsec RX SC delete causes use-after-free of metadata_dst under RCU.

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/en_accel/macsec.c"
    ],
    "versions": [
      {
        "version": "b7c9400cbc48c3713190b3bce4e0c87e924e4104",
        "lessThan": "b1a4d0c568bbb52c7c04f4fce3c097dae89ed6cb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b7c9400cbc48c3713190b3bce4e0c87e924e4104",
        "lessThan": "218cc15a4c907659ad4b0e68c535c61594311205",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b7c9400cbc48c3713190b3bce4e0c87e924e4104",
        "lessThan": "4a5073b7b30243658f58b2d2d35a823da7fd34d9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b7c9400cbc48c3713190b3bce4e0c87e924e4104",
        "lessThan": "ed3cc4218070d6b98bf5fb456dccae424fd38c4f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b7c9400cbc48c3713190b3bce4e0c87e924e4104",
        "lessThan": "088873af13590ebde10de2ade847f57a05ec61c6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b7c9400cbc48c3713190b3bce4e0c87e924e4104",
        "lessThan": "de74d8fd10291763d97b218f09adcc7513c975e4",
        "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/en_accel/macsec.c"
    ],
    "versions": [
      {
        "version": "6.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "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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17 Aug 2026 05:40Current
CVSS 3.17.8
EPSS0.00171
21