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CVE-2022-48775 (GCVE-0-2022-48775)

Vulnerability from cvelistv5 – Published: 2024-07-16 11:13 – Updated: 2026-05-11 18:46
VLAI
Title
Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj
Summary
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj 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 memory leak by calling kobject_put().
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 17:00 UTC
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c , < 417947891bd5ae327f15efed1a0da2b12ef24962 (git)
Affected: c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c , < fe595759c2a4a5bb41c438474f15947d8ae32f5c (git)
Affected: c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c , < 91d8866ca55232d21995a3d54fac96de33c9e20c (git)
Affected: c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c , < c377e2ba78d3fe9a1f0b4ec424e75f81da7e81e9 (git)
Affected: c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c , < 92e25b637cd4e010f776c86e4810300e773eac5c (git)
Affected: c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c , < 8bc69f86328e87a0ffa79438430cc82f3aa6a194 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 4.19.231 , ≤ 4.19.* (semver)
Unaffected: 5.4.181 , ≤ 5.4.* (semver)
Unaffected: 5.10.102 , ≤ 5.10.* (semver)
Unaffected: 5.15.25 , ≤ 5.15.* (semver)
Unaffected: 5.16.11 , ≤ 5.16.* (semver)
Unaffected: 5.17 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:34:48+00:00",
      "cve": "CVE-2022-48775",
      "id": "CVE-2022-48775",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_affected": "42",
      "product_status:known_not_affected": "156",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-48775.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T02:34:06Z",
      "cve": "CVE-2022-48775",
      "id": "CVE-2022-48775",
      "initial_release_date": "2024-07-17T04:19:29Z",
      "product_status:known_affected": "427",
      "product_status:known_not_affected": "97",
      "product_status:recommended": "595",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-48775",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-48775.json",
      "version": "62"
    },
    "vulnrichment": {
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with the object.\\n\\nFix memory leak by calling kobject_put().\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.231\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.181\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.102\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.25\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.16.11\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": 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      "dataType": "CVE_RECORD",
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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

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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.

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Detection rules are retrieved from Rulezet.

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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.


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