CVE-2026-45998 rxrpc: Fix potential UAF after skb_unshare() failure

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/trace/events/rxrpc.h",
      "net/rxrpc/ar-internal.h",
      "net/rxrpc/call_event.c",
      "net/rxrpc/io_thread.c",
      "net/rxrpc/skbuff.c"
    ],
    "versions": [
      {
        "version": "2d1faf7a0ca3c0b327cf064c80e4e775532c9319",
        "lessThan": "e3bf143b1e98fb3d6d9e6825bcd683974d478e8c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2d1faf7a0ca3c0b327cf064c80e4e775532c9319",
        "lessThan": "bf20f46d94f1db38e6ffc0ca204a5fe0de01b495",
        "status": "affected",
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      },
      {
        "version": "2d1faf7a0ca3c0b327cf064c80e4e775532c9319",
        "lessThan": "996b0487b3cdda4c91811dbb1c9564626bc840bd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2d1faf7a0ca3c0b327cf064c80e4e775532c9319",
        "lessThan": "8fde6296c4d4da2be7ab761305ab7f232b94eefd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2d1faf7a0ca3c0b327cf064c80e4e775532c9319",
        "lessThan": "1f2740150f904bfa60e4bad74d65add3ccb5e7f8",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/trace/events/rxrpc.h",
      "net/rxrpc/ar-internal.h",
      "net/rxrpc/call_event.c",
      "net/rxrpc/io_thread.c",
      "net/rxrpc/skbuff.c"
    ],
    "versions": [
      {
        "version": "6.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.86",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]