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CVE-2024-38554 (GCVE-0-2024-38554)

Vulnerability from cvelistv5 – Published: 2024-06-19 13:35 – Updated: 2026-05-23 15:48
VLAI
Title
ax25: Fix reference count leak issue of net_device
Summary
In the Linux kernel, the following vulnerability has been resolved: ax25: Fix reference count leak issue of net_device There is a reference count leak issue of the object "net_device" in ax25_dev_device_down(). When the ax25 device is shutting down, the ax25_dev_device_down() drops the reference count of net_device one or zero times depending on if we goto unlock_put or not, which will cause memory leak. In order to solve the above issue, decrease the reference count of net_device after dev->ax25_ptr is set to null.
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 17:14 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: d01ffb9eee4af165d83b08dd73ebdf9fe94a519b , < 3ec437f9bbae68e9b38115c4c91de995f73f6bad (git)
Affected: d01ffb9eee4af165d83b08dd73ebdf9fe94a519b , < 965d940fb7414b310a22666503d2af69459c981b (git)
Affected: d01ffb9eee4af165d83b08dd73ebdf9fe94a519b , < 8bad3a20a27be8d935f2aae08d3c6e743754944a (git)
Affected: d01ffb9eee4af165d83b08dd73ebdf9fe94a519b , < eef95df9b752699bddecefa851f64858247246e9 (git)
Affected: d01ffb9eee4af165d83b08dd73ebdf9fe94a519b , < 36e56b1b002bb26440403053f19f9e1a8bc075b2 (git)
Affected: ef0a2a0565727a48f2e36a2c461f8b1e3a61922d (git)
Affected: e2b558fe507a1ed4c43db2b0057fc6e41f20a14c (git)
Affected: 418993bbaafb0cd48f904ba68eeda052d624c821 (git)
Affected: 5ea00fc60676c0eebfa8560ec461209d638bca9d (git)
Affected: 9af0fd5c4453a44c692be0cbb3724859b75d739b (git)
Affected: 4.14.277 , < 4.15 (semver)
Affected: 4.19.240 , < 4.20 (semver)
Affected: 5.4.190 , < 5.5 (semver)
Affected: 5.10.112 , < 5.11 (semver)
Affected: 5.15.35 , < 5.16 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 5.17
Unaffected: 0 , < 5.17 (semver)
Unaffected: 6.1.93 , ≤ 6.1.* (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.8.12 , ≤ 6.8.* (semver)
Unaffected: 6.9.3 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T14:39:36+00:00",
      "cve": "CVE-2024-38554",
      "id": "CVE-2024-38554",
      "initial_release_date": "2024-06-19T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ax25: Fix reference count leak issue of net_device",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-38554.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-04T00:28:18Z",
      "cve": "CVE-2024-38554",
      "id": "CVE-2024-38554",
      "initial_release_date": "2024-06-22T03:35:31Z",
      "product_status:known_affected": "510",
      "product_status:known_not_affected": "204",
      "product_status:recommended": "587",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-38554",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-38554.json",
      "version": "82"
    },
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  }
}



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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.