CVE-2026-31608 (GCVE-0-2026-31608)
Vulnerability from cvelistv5
Published
2026-04-24 14:42
Modified
2026-04-27 14:04
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list() smb_direct_flush_send_list() already calls smb_direct_free_sendmsg(), so we should not call it again after post_sendmsg() moved it to the batch list.
References
Impacted products
Vendor Product Version
Linux Linux Version: 5ef18a2e66f2f33fdac64437bddfb9fe6389fdc7
Version: 79242e7b6bc63efec28b7c235bc320806afce6c0
Version: 34abd408c8ba24d7c97bd02ba874d8c714f49db1
Version: 34abd408c8ba24d7c97bd02ba874d8c714f49db1
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{
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        {
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          "product": "Linux",
          "programFiles": [
            "fs/smb/server/transport_rdma.c"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list()\n\nsmb_direct_flush_send_list() already calls smb_direct_free_sendmsg(),\nso we should not call it again after post_sendmsg()\nmoved it to the batch list."
        }
      ],
      "metrics": [
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            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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        "dateUpdated": "2026-04-27T14:04:21.158Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        {
          "url": "https://git.kernel.org/stable/c/84ff995ae826aa6bbcc6c7b9ea569ff67c021d72"
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      "title": "smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list()",
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    "datePublished": "2026-04-24T14:42:30.137Z",
    "dateReserved": "2026-03-09T15:48:24.122Z",
    "dateUpdated": "2026-04-27T14:04:21.158Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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