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CVE-2022-49422 (GCVE-0-2022-49422)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:12 – Updated: 2026-05-11 18:59
VLAI
Title
dmaengine: idxd: Fix the error handling path in idxd_cdev_register()
Summary
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix the error handling path in idxd_cdev_register() If a call to alloc_chrdev_region() fails, the already allocated resources are leaking. Add the needed error handling path to fix the leak.
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 42d279f9137ab7d5503836baec2739284b278d8f , < 6073af78156b8c3fc1198f8bcc190b7ac3ac0143 (git)
Affected: 42d279f9137ab7d5503836baec2739284b278d8f , < b3c7b5d08e9d5b2ff31c03078c00ecf11042419f (git)
Affected: 42d279f9137ab7d5503836baec2739284b278d8f , < 5e88561eceb34ae3f88451c2b8e30fe403484189 (git)
Affected: 42d279f9137ab7d5503836baec2739284b278d8f , < c308a2e711a52a47f4b45e7add2b5200169e429a (git)
Affected: 42d279f9137ab7d5503836baec2739284b278d8f , < aab08c1aac01097815fbcf10fce7021d2396a31f (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.6
Unaffected: 0 , < 5.6 (semver)
Unaffected: 5.10.121 , ≤ 5.10.* (semver)
Unaffected: 5.15.46 , ≤ 5.15.* (semver)
Unaffected: 5.17.14 , ≤ 5.17.* (semver)
Unaffected: 5.18.3 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

{
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          "product": "Linux",
          "programFiles": [
            "drivers/dma/idxd/cdev.c"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49422",
    "datePublished": "2025-02-26T02:12:45.269Z",
    "dateReserved": "2025-02-26T02:08:31.568Z",
    "dateUpdated": "2026-05-11T18:59:30.811Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:24:17+00:00",
      "cve": "CVE-2022-49422",
      "id": "CVE-2022-49422",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_affected": "156",
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      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: dmaengine: idxd: Fix the error handling path in idxd_cdev_register()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49422.json",
      "version": "3"
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      "current_release_date": "2026-09-02T02:04:25Z",
      "cve": "CVE-2022-49422",
      "id": "CVE-2022-49422",
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      "product_status:recommended": "293",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49422",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49422.json",
      "version": "48"
    }
  }
}



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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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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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