CVE-2025-38570 (GCVE-0-2025-38570)

Vulnerability from cvelistv5 – Published: 2025-08-19 17:02 – Updated: 2025-09-29 05:53
VLAI?
Title
eth: fbnic: unlink NAPIs from queues on error to open
Summary
In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: unlink NAPIs from queues on error to open CI hit a UaF in fbnic in the AF_XDP portion of the queues.py test. The UaF is in the __sk_mark_napi_id_once() call in xsk_bind(), NAPI has been freed. Looks like the device failed to open earlier, and we lack clearing the NAPI pointer from the queue.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 557d02238e05eb66b9aba9a1f90f3a2131c6c887 , < 21d3f8441c7f317b93ba6a8029610c8b7e3773db (git)
Affected: 557d02238e05eb66b9aba9a1f90f3a2131c6c887 , < 4b59f9deff3bdb52b223c85048f1d2924803b817 (git)
Affected: 557d02238e05eb66b9aba9a1f90f3a2131c6c887 , < 4b31bcb025cb497da2b01f87173108ff32d350d2 (git)
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    Linux Linux Affected: 6.14
Unaffected: 0 , < 6.14 (semver)
Unaffected: 6.15.10 , ≤ 6.15.* (semver)
Unaffected: 6.16.1 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/meta/fbnic/fbnic_netdev.c"
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          "vendor": "Linux",
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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\neth: fbnic: unlink NAPIs from queues on error to open\n\nCI hit a UaF in fbnic in the AF_XDP portion of the queues.py test.\nThe UaF is in the __sk_mark_napi_id_once() call in xsk_bind(),\nNAPI has been freed. Looks like the device failed to open earlier,\nand we lack clearing the NAPI pointer from the queue."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-29T05:53:59.478Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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        },
        {
          "url": "https://git.kernel.org/stable/c/4b31bcb025cb497da2b01f87173108ff32d350d2"
        }
      ],
      "title": "eth: fbnic: unlink NAPIs from queues on error to open",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38570",
    "datePublished": "2025-08-19T17:02:50.677Z",
    "dateReserved": "2025-04-16T04:51:24.025Z",
    "dateUpdated": "2025-09-29T05:53:59.478Z",
    "state": "PUBLISHED"
  },
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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