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CVE-2024-44971 (GCVE-0-2024-44971)

Vulnerability from cvelistv5 – Published: 2024-09-04 18:56 – Updated: 2026-05-11 20:32
VLAI
Title
net: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register()
Summary
In the Linux kernel, the following vulnerability has been resolved: net: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register() bcm_sf2_mdio_register() calls of_phy_find_device() and then phy_device_remove() in a loop to remove existing PHY devices. of_phy_find_device() eventually calls bus_find_device(), which calls get_device() on the returned struct device * to increment the refcount. The current implementation does not decrement the refcount, which causes memory leak. This commit adds the missing phy_device_free() call to decrement the refcount via put_device() to balance the refcount.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:39 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 771089c2a485958e423f305e974303760167b45c , < b7b8d9f5e679af60c94251fd6728dde34be69a71 (git)
Affected: 771089c2a485958e423f305e974303760167b45c , < c05516c072903f6fb9134b8e7e1ad4bffcdc4819 (git)
Affected: 771089c2a485958e423f305e974303760167b45c , < 7feef10768ea71d468d9bbc1e0d14c461876768c (git)
Affected: 771089c2a485958e423f305e974303760167b45c , < a7d2808d67570e6acae45c2a96e0d59986888e4c (git)
Affected: 771089c2a485958e423f305e974303760167b45c , < f3d5efe18a11f94150fee8b3fda9d62079af640a (git)
Affected: 771089c2a485958e423f305e974303760167b45c , < e3862093ee93fcfbdadcb7957f5f8974fffa806a (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.10
Unaffected: 0 , < 5.10 (semver)
Unaffected: 5.10.224 , ≤ 5.10.* (semver)
Unaffected: 5.15.165 , ≤ 5.15.* (semver)
Unaffected: 6.1.105 , ≤ 6.1.* (semver)
Unaffected: 6.6.46 , ≤ 6.6.* (semver)
Unaffected: 6.10.5 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10\",\"versionEndExcluding\":\"5.10.224\",\"matchCriteriaId\":\"3723F85C-99C4-4BA1-A411-426E0591769E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.165\",\"matchCriteriaId\":\"B4E2B568-3171-41DE-B519-F2B1A3600D94\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.105\",\"matchCriteriaId\":\"89BEB24B-0F37-4C92-A397-564DA7CD8EE9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.46\",\"matchCriteriaId\":\"FA11941E-81FB-484C-B583-881EEB488340\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.5\",\"matchCriteriaId\":\"D074AE50-4A5E-499C-A2FD-75FD60DEA560\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B3CE743-2126-47A3-8B7C-822B502CF119\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DEB27E7-30AA-45CC-8934-B89263EF3551\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/7feef10768ea71d468d9bbc1e0d14c461876768c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a7d2808d67570e6acae45c2a96e0d59986888e4c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b7b8d9f5e679af60c94251fd6728dde34be69a71\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c05516c072903f6fb9134b8e7e1ad4bffcdc4819\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e3862093ee93fcfbdadcb7957f5f8974fffa806a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f3d5efe18a11f94150fee8b3fda9d62079af640a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:26:21+00:00",
      "cve": "CVE-2024-44971",
      "id": "CVE-2024-44971",
      "initial_release_date": "2024-09-04T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: net: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-44971.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-12T16:59:07Z",
      "cve": "CVE-2024-44971",
      "id": "CVE-2024-44971",
      "initial_release_date": "2024-09-05T02:46:57Z",
      "product_status:known_affected": "410",
      "product_status:known_not_affected": "282",
      "product_status:recommended": "640",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-44971",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-44971.json",
      "version": "63"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T22:14:24.044Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-44971\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T17:39:14.220470Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:27.473Z\"}}], \"cna\": {\"title\": \"net: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"771089c2a485958e423f305e974303760167b45c\", \"lessThan\": \"b7b8d9f5e679af60c94251fd6728dde34be69a71\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"771089c2a485958e423f305e974303760167b45c\", \"lessThan\": \"c05516c072903f6fb9134b8e7e1ad4bffcdc4819\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"771089c2a485958e423f305e974303760167b45c\", \"lessThan\": \"7feef10768ea71d468d9bbc1e0d14c461876768c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"771089c2a485958e423f305e974303760167b45c\", \"lessThan\": \"a7d2808d67570e6acae45c2a96e0d59986888e4c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"771089c2a485958e423f305e974303760167b45c\", \"lessThan\": \"f3d5efe18a11f94150fee8b3fda9d62079af640a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"771089c2a485958e423f305e974303760167b45c\", \"lessThan\": \"e3862093ee93fcfbdadcb7957f5f8974fffa806a\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/dsa/bcm_sf2.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.10\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.10\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.224\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.165\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.105\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.46\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.5\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/dsa/bcm_sf2.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/b7b8d9f5e679af60c94251fd6728dde34be69a71\"}, {\"url\": \"https://git.kernel.org/stable/c/c05516c072903f6fb9134b8e7e1ad4bffcdc4819\"}, {\"url\": \"https://git.kernel.org/stable/c/7feef10768ea71d468d9bbc1e0d14c461876768c\"}, {\"url\": \"https://git.kernel.org/stable/c/a7d2808d67570e6acae45c2a96e0d59986888e4c\"}, {\"url\": \"https://git.kernel.org/stable/c/f3d5efe18a11f94150fee8b3fda9d62079af640a\"}, {\"url\": \"https://git.kernel.org/stable/c/e3862093ee93fcfbdadcb7957f5f8974fffa806a\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register()\\n\\nbcm_sf2_mdio_register() calls of_phy_find_device() and then\\nphy_device_remove() in a loop to remove existing PHY devices.\\nof_phy_find_device() eventually calls bus_find_device(), which calls\\nget_device() on the returned struct device * to increment the refcount.\\nThe current implementation does not decrement the refcount, which causes\\nmemory leak.\\n\\nThis commit adds the missing phy_device_free() call to decrement the\\nrefcount via put_device() to balance the refcount.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.224\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.165\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.105\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.46\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.5\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11\", \"versionStartIncluding\": \"5.10\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:32:58.689Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-44971\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:32:58.689Z\", \"dateReserved\": \"2024-08-21T05:34:56.669Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-09-04T18:56:47.475Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.


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.