{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0626e6641f6b467447c81dd7678a69c66f7746cf"
            },
            {
              "fixed": "24082642654f3e5149913946e89c00a297a8868f"
            },
            {
              "fixed": "e38b415c024bc3b6321bf8650dbf3f4aab8e74b3"
            },
            {
              "fixed": "9da82dc73cb03e85d716a2609364572367a5ff47"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.15.0"
            },
            {
              "fixed": "6.18.11"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31536.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: server: let send_done handle a completion without IB_SEND_SIGNALED\n\nWith smbdirect_send_batch processing we likely have requests without\nIB_SEND_SIGNALED, which will be destroyed in the final request\nthat has IB_SEND_SIGNALED set.\n\nIf the connection is broken all requests are signaled\neven without explicit IB_SEND_SIGNALED.",
  "id": "CVE-2026-31536",
  "modified": "2026-07-15T01:49:16.870690229Z",
  "published": "2026-04-24T14:30:24.224Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/24082642654f3e5149913946e89c00a297a8868f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9da82dc73cb03e85d716a2609364572367a5ff47"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e38b415c024bc3b6321bf8650dbf3f4aab8e74b3"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31536.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31536"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "smb: server: let send_done handle a completion without IB_SEND_SIGNALED"
}