CVE-2026-90165 (GCVE-0-2026-90165)
Vulnerability from cvelistv5
Published
2026-09-17 16:06
Modified
2026-10-19 08:59
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: smb/server: fix invalid pointer dereference in ksmbd_stop_durable_scavenger() See the procedure below: ksmbd_launch_ksmbd_durable_scavenger durable_scavenger_running = true server_conf.dh_task = kthread_run() // fail, dh_task is an ERR_PTR() server_ctrl_handle_reset ksmbd_stop_durable_scavenger kthread_stop(server_conf.dh_task) // invalid pointer
References
Impacted products
Vendor Product Version
Linux Linux Version: 7f0cb478703cbeaddfe5c9101c5c73cd975d1073
Version: d484d621d40f4a8b8959008802d79bef3609641b
Version: d484d621d40f4a8b8959008802d79bef3609641b
Version: d484d621d40f4a8b8959008802d79bef3609641b
Version: d484d621d40f4a8b8959008802d79bef3609641b
Version: 6.6.142   ≤
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/vfs_cache.c"
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          "product": "Linux",
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "6.11"
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              "status": "unaffected",
              "version": "6.18.52",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix invalid pointer dereference in ksmbd_stop_durable_scavenger()\n\nSee the procedure below:\n\n  ksmbd_launch_ksmbd_durable_scavenger\n    durable_scavenger_running = true\n    server_conf.dh_task = kthread_run() // fail, dh_task is an ERR_PTR()\n\n  server_ctrl_handle_reset\n    ksmbd_stop_durable_scavenger\n    kthread_stop(server_conf.dh_task) // invalid pointer"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T08:59:03.684Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3f8651f6bb52159c9e23993c77a2b51b9505ad64"
        },
        {
          "url": "https://git.kernel.org/stable/c/af9cb997d13a17029a0d3863e33f4c837e27a8ae"
        },
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        },
        {
          "url": "https://git.kernel.org/stable/c/a2eb72b4d53bb9d8d6c00f3f794eaccb4b1ce5ed"
        },
        {
          "url": "https://git.kernel.org/stable/c/bef46b604732d83f8da29f782868de4d25bf972c"
        }
      ],
      "title": "smb/server: fix invalid pointer dereference in ksmbd_stop_durable_scavenger()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-90165",
    "datePublished": "2026-09-17T16:06:55.196Z",
    "dateReserved": "2026-09-11T19:38:34.790Z",
    "dateUpdated": "2026-10-19T08:59:03.684Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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