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CVE-2022-49370 (GCVE-0-2022-49370)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:11 – Updated: 2026-05-11 18:58
VLAI
Title
firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle
Summary
In the Linux kernel, the following vulnerability has been resolved: firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add() If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix this issue by calling kobject_put().
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:42 UTC
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 948af1f0bbc8526448e8cbe3f8d3bf211bdf5181 , < a9bfb37d6ba7c376b0d53337a4c5f5ff324bd725 (git)
Affected: 948af1f0bbc8526448e8cbe3f8d3bf211bdf5181 , < ed38d04342dfbe9e5aca745c8b5eb4188a74f0ef (git)
Affected: 948af1f0bbc8526448e8cbe3f8d3bf211bdf5181 , < c66cc3c62870a27ea8f060a7e4c1ad8d26dd3f0d (git)
Affected: 948af1f0bbc8526448e8cbe3f8d3bf211bdf5181 , < a724634b2a49f6ff0177a9e19a5a92fc1545e1b7 (git)
Affected: 948af1f0bbc8526448e8cbe3f8d3bf211bdf5181 , < 985706bd3bbeffc8737bc05965ca8d24837bc7db (git)
Affected: 948af1f0bbc8526448e8cbe3f8d3bf211bdf5181 , < fdffa4ad8f6bf1ece877edfb807f2b2c729d8578 (git)
Affected: 948af1f0bbc8526448e8cbe3f8d3bf211bdf5181 , < 3ba359ebe914ac3f8c6c832b28007c14c39d3766 (git)
Affected: 948af1f0bbc8526448e8cbe3f8d3bf211bdf5181 , < ec752973aa721ee281d5441e497364637c626c7b (git)
Affected: 948af1f0bbc8526448e8cbe3f8d3bf211bdf5181 , < 660ba678f9998aca6db74f2dd912fa5124f0fa31 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.39
Unaffected: 0 , < 2.6.39 (semver)
Unaffected: 4.9.318 , ≤ 4.9.* (semver)
Unaffected: 4.14.283 , ≤ 4.14.* (semver)
Unaffected: 4.19.247 , ≤ 4.19.* (semver)
Unaffected: 5.4.198 , ≤ 5.4.* (semver)
Unaffected: 5.10.122 , ≤ 5.10.* (semver)
Unaffected: 5.15.47 , ≤ 5.15.* (semver)
Unaffected: 5.17.15 , ≤ 5.17.* (semver)
Unaffected: 5.18.4 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: firmware: dmi-sysfs: Se corrige la p\u00e9rdida de memoria en dmi_sysfs_register_handle kobject_init_and_add() toma la referencia incluso cuando falla. Seg\u00fan la documentaci\u00f3n de kobject_init_and_add(), si esta funci\u00f3n devuelve un error, se debe llamar a kobject_put() para limpiar correctamente la memoria asociada con el objeto. Solucione este problema llamando a kobject_put()."
          }
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        "id": "CVE-2022-49370",
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      "product_status:known_affected": "184",
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      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49370.json",
      "version": "3"
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      "current_release_date": "2026-09-02T02:04:45Z",
      "cve": "CVE-2022-49370",
      "id": "CVE-2022-49370",
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      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49370",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49370.json",
      "version": "57"
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}



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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.