CVE-2026-68331 (GCVE-0-2026-68331)

Vulnerability from cvelistv5 – Published: 2026-08-10 12:03 – Updated: 2026-08-19 16:33
VLAI
Title
dpaa2-eth: put MAC endpoint device on disconnect
Summary
In the Linux kernel, the following vulnerability has been resolved: dpaa2-eth: put MAC endpoint device on disconnect fsl_mc_get_endpoint() returns the MAC endpoint device with a reference taken through device_find_child(). The Ethernet 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 disconnects and closes the MAC before freeing 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 after closing the MAC and before freeing the dpaa2_mac object.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 71947923089353f23f4f210864903c4dcf2c1696 , < 6b6ffdb9ca4547a3c4c274aa3e25b6c68dbc62e1 (git)
Affected: 71947923089353f23f4f210864903c4dcf2c1696 , < 1974127776da46a000c61f36d4946799ea6d4f51 (git)
Affected: 71947923089353f23f4f210864903c4dcf2c1696 , < 915012e923316b8b5d5bf8fc771617b47bd7572d (git)
Affected: 71947923089353f23f4f210864903c4dcf2c1696 , < e23e4a3b9dfd893469c731318d409cdf04fb1ddf (git)
Affected: 71947923089353f23f4f210864903c4dcf2c1696 , < f112df0744e2d77baa68eeebb860021bbaaa022a (git)
Affected: 71947923089353f23f4f210864903c4dcf2c1696 , < a3cecf169cc652b558d08661bb6ce55e4c933ec0 (git)
Affected: 71947923089353f23f4f210864903c4dcf2c1696 , < b4b201cc93ff70150853aba03e14d314d1980ca0 (git)
Create a notification for this product.
Linux Linux Affected: 5.5
Unaffected: 0 , < 5.5 (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)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6b6ffdb9ca4547a3c4c274aa3e25b6c68dbc62e1",
              "status": "affected",
              "version": "71947923089353f23f4f210864903c4dcf2c1696",
              "versionType": "git"
            },
            {
              "lessThan": "1974127776da46a000c61f36d4946799ea6d4f51",
              "status": "affected",
              "version": "71947923089353f23f4f210864903c4dcf2c1696",
              "versionType": "git"
            },
            {
              "lessThan": "915012e923316b8b5d5bf8fc771617b47bd7572d",
              "status": "affected",
              "version": "71947923089353f23f4f210864903c4dcf2c1696",
              "versionType": "git"
            },
            {
              "lessThan": "e23e4a3b9dfd893469c731318d409cdf04fb1ddf",
              "status": "affected",
              "version": "71947923089353f23f4f210864903c4dcf2c1696",
              "versionType": "git"
            },
            {
              "lessThan": "f112df0744e2d77baa68eeebb860021bbaaa022a",
              "status": "affected",
              "version": "71947923089353f23f4f210864903c4dcf2c1696",
              "versionType": "git"
            },
            {
              "lessThan": "a3cecf169cc652b558d08661bb6ce55e4c933ec0",
              "status": "affected",
              "version": "71947923089353f23f4f210864903c4dcf2c1696",
              "versionType": "git"
            },
            {
              "lessThan": "b4b201cc93ff70150853aba03e14d314d1980ca0",
              "status": "affected",
              "version": "71947923089353f23f4f210864903c4dcf2c1696",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.5"
            },
            {
              "lessThan": "5.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.216",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.183",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.148",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.101",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.216",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.183",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.148",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.101",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.42",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.6",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndpaa2-eth: 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 Ethernet connect path stores that\ndevice in mac-\u003emc_dev and keeps it for the lifetime of the connected MAC\nobject.\n\nHowever, the disconnect path only disconnects and closes the MAC before\nfreeing the dpaa2_mac object. It does not drop the endpoint device\nreference stored in mac-\u003emc_dev, so every successful connect leaks that\ndevice reference when the MAC is later disconnected.\n\nDrop the endpoint device reference after closing the MAC and before\nfreeing the dpaa2_mac object."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-19T16:33:28.174Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/6b6ffdb9ca4547a3c4c274aa3e25b6c68dbc62e1"
        },
        {
          "url": "https://git.kernel.org/stable/c/1974127776da46a000c61f36d4946799ea6d4f51"
        },
        {
          "url": "https://git.kernel.org/stable/c/915012e923316b8b5d5bf8fc771617b47bd7572d"
        },
        {
          "url": "https://git.kernel.org/stable/c/e23e4a3b9dfd893469c731318d409cdf04fb1ddf"
        },
        {
          "url": "https://git.kernel.org/stable/c/f112df0744e2d77baa68eeebb860021bbaaa022a"
        },
        {
          "url": "https://git.kernel.org/stable/c/a3cecf169cc652b558d08661bb6ce55e4c933ec0"
        },
        {
          "url": "https://git.kernel.org/stable/c/b4b201cc93ff70150853aba03e14d314d1980ca0"
        }
      ],
      "title": "dpaa2-eth: put MAC endpoint device on disconnect",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-68331",
    "datePublished": "2026-08-10T12:03:07.529Z",
    "dateReserved": "2026-07-30T09:28:09.383Z",
    "dateUpdated": "2026-08-19T16:33:28.174Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-68331",
      "date": "2026-10-03",
      "epss": "0.00215",
      "percentile": "0.10764"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-10-03T00:33:53Z",
      "cve": "CVE-2026-68331",
      "id": "CVE-2026-68331",
      "initial_release_date": "2026-08-11T23:47:36Z",
      "product_status:known_affected": "612",
      "product_status:known_not_affected": "121",
      "product_status:recommended": "252",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-68331",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-68331.json",
      "version": "11"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.