CVE-2026-68333 (GCVE-0-2026-68333)

Vulnerability from cvelistv5 – Published: 2026-08-10 12:03 – Updated: 2026-08-19 16:33
VLAI
Title
dpaa2-switch: put MAC endpoint device on disconnect
Summary
In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: put MAC endpoint device on disconnect fsl_mc_get_endpoint() returns the MAC endpoint device with a reference taken through device_find_child(). The switch port connect path stores that device in mac->mc_dev and keeps it for the lifetime of the connected MAC object. However, the disconnect path only closes the MAC and frees the dpaa2_mac object. It does not drop the endpoint device reference stored in mac->mc_dev, so every successful connect leaks that device reference when the MAC is later disconnected. Drop the endpoint device reference before freeing the dpaa2_mac object.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 84cba72956fddf29ba666f885c39ed147024c125 , < 196f7301537814bef0f5915f87cd73d6d1235c19 (git)
Affected: 84cba72956fddf29ba666f885c39ed147024c125 , < 0e9a6811eb6198ab17538cd01fa155d133b238ed (git)
Affected: 84cba72956fddf29ba666f885c39ed147024c125 , < 1f4ca61b7a93de3dfa5161bcd38ecb99bb091c38 (git)
Affected: 84cba72956fddf29ba666f885c39ed147024c125 , < 680eecc850d36a280df9780496bc603fec17b2d6 (git)
Affected: 84cba72956fddf29ba666f885c39ed147024c125 , < 26ac2d3602347f0377fbcd5214bc28a9d735ae68 (git)
Affected: 84cba72956fddf29ba666f885c39ed147024c125 , < c27694ff6748e08fcd2fdba89018439d75b8198f (git)
Affected: 84cba72956fddf29ba666f885c39ed147024c125 , < 4c1eabbef7a1707635652e956e39db1269c3af2b (git)
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Linux Linux Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 5.15.216 , ≤ 5.15.* (semver)
Unaffected: 6.1.183 , ≤ 6.1.* (semver)
Unaffected: 6.6.148 , ≤ 6.6.* (semver)
Unaffected: 6.12.101 , ≤ 6.12.* (semver)
Unaffected: 6.18.42 , ≤ 6.18.* (semver)
Unaffected: 7.1.6 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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{
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          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndpaa2-switch: put MAC endpoint device on disconnect\n\nfsl_mc_get_endpoint() returns the MAC endpoint device with a reference\ntaken through device_find_child(). The switch port connect path stores\nthat device in mac-\u003emc_dev and keeps it for the lifetime of the connected\nMAC object.\n\nHowever, the disconnect path only closes the MAC and frees the dpaa2_mac\nobject. It does not drop the endpoint device reference stored in\nmac-\u003emc_dev, so every successful connect leaks that device reference when\nthe MAC is later disconnected.\n\nDrop the endpoint device reference before freeing the dpaa2_mac object."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-19T16:33:30.627Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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          "url": "https://git.kernel.org/stable/c/196f7301537814bef0f5915f87cd73d6d1235c19"
        },
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          "url": "https://git.kernel.org/stable/c/0e9a6811eb6198ab17538cd01fa155d133b238ed"
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        {
          "url": "https://git.kernel.org/stable/c/4c1eabbef7a1707635652e956e39db1269c3af2b"
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    "cveId": "CVE-2026-68333",
    "datePublished": "2026-08-10T12:03:09.524Z",
    "dateReserved": "2026-07-30T09:28:09.383Z",
    "dateUpdated": "2026-08-19T16:33:30.627Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-14T06:04:24+00:00",
      "cve": "CVE-2026-68333",
      "id": "CVE-2026-68333",
      "initial_release_date": "2026-08-10T00:00:00+00:00",
      "product_status:known_affected": "76",
      "product_status:known_not_affected": "200",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: dpaa2-switch: put MAC endpoint device on disconnect",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-68333.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-11T23:47:31Z",
      "cve": "CVE-2026-68333",
      "id": "CVE-2026-68333",
      "initial_release_date": "2026-08-11T23:47:31Z",
      "product_status:known_affected": "129",
      "product_status:known_not_affected": "167",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-68333",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-68333.json",
      "version": "2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.