CVE-2022-49811 (GCVE-0-2022-49811)

Vulnerability from cvelistv5 – Published: 2025-05-01 14:09 – Updated: 2026-05-11 19:07
VLAI
Title
drbd: use after free in drbd_create_device()
Summary
In the Linux kernel, the following vulnerability has been resolved: drbd: use after free in drbd_create_device() The drbd_destroy_connection() frees the "connection" so use the _safe() iterator to prevent a use after free.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7100 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < fc1897f16ebcfd22364f2afcc27f53a740f3bc7a (git)
Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1 (git)
Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < 813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5 (git)
Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < 9ed51414aef6e59e832e2960f10766dce2d5b1a1 (git)
Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < 7d93417d596402ddd46bd76c721f205d09d0d025 (git)
Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < c2a00b149836d60c222930bbea6b2139caf34d4f (git)
Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < a7a1598189228b5007369a9622ccdf587be0730f (git)
guessed Create a notification for this product.
Linux Linux Affected: 3.15
Unaffected: 0 , < 3.15 (semver)
Unaffected: 4.14.300 , ≤ 4.14.* (semver)
Unaffected: 4.19.267 , ≤ 4.19.* (semver)
Unaffected: 5.4.225 , ≤ 5.4.* (semver)
Unaffected: 5.10.156 , ≤ 5.10.* (semver)
Unaffected: 5.15.80 , ≤ 5.15.* (semver)
Unaffected: 6.0.10 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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      "cve": "CVE-2022-49811",
      "id": "CVE-2022-49811",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_affected": "108",
      "product_status:known_not_affected": "166",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drbd: use after free in drbd_create_device()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49811.json",
      "version": "3"
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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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

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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.