CVE-2026-43016 bpf: sockmap: Fix use-after-free of sk->sk_socket in sk_psock_verdict_data_ready().

[
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    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/skmsg.c"
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    "programFiles": [
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    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.134",
        "lessThanOrEqual": "6.6.*",
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      {
        "version": "6.12.81",
        "lessThanOrEqual": "6.12.*",
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      {
        "version": "6.18.22",
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        "version": "6.19.12",
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        "version": "7.0",
        "lessThanOrEqual": "*",
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]