CVE-2026-46110 net: stmmac: Prevent NULL deref when RX memory exhausted

[
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    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/stmicro/stmmac/stmmac_main.c"
    ],
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      },
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    ]
  },
  {
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    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/stmicro/stmmac/stmmac_main.c"
    ],
    "versions": [
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      },
      {
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      {
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      {
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      },
      {
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        "lessThanOrEqual": "6.18.*",
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      },
      {
        "version": "7.0.7",
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      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]