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CVE-2022-50761 (GCVE-0-2022-50761)

Vulnerability from cvelistv5 – Published: 2025-12-24 13:05 – Updated: 2026-05-11 19:25
VLAI
Title
x86/xen: Fix memory leak in xen_init_lock_cpu()
Summary
In the Linux kernel, the following vulnerability has been resolved: x86/xen: Fix memory leak in xen_init_lock_cpu() In xen_init_lock_cpu(), the @name has allocated new string by kasprintf(), if bind_ipi_to_irqhandler() fails, it should be freed, otherwise may lead to a memory leak issue, fix it.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 , < 9278bdbb566656b3704704f8dd6cbc24a6fcc569 (git)
Affected: 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 , < 07764d00c869a3390bd4f80412cc8b0e669e6c58 (git)
Affected: 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 , < 53ff99c76be611acea37d33133c9136969914865 (git)
Affected: 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 , < 29198f667f4486f9e227e11faf1411fcf4c82a66 (git)
Affected: 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 , < 70e7f308d7a8e915c7fbc0f1d959968eab8000cd (git)
Affected: 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 , < 70966d6b0f59f795b08a70adf5e4478348ecbfbb (git)
Affected: 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 , < 798fc3cf98ca07e448956f39295c5d686ab4b054 (git)
Affected: 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 , < b44457b83a034efef58ffa5f3131d4615f1a9837 (git)
Affected: 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 , < ca84ce153d887b1dc8b118029976cc9faf2a9b40 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.27
Unaffected: 0 , < 2.6.27 (semver)
Unaffected: 4.9.337 , ≤ 4.9.* (semver)
Unaffected: 4.14.303 , ≤ 4.14.* (semver)
Unaffected: 4.19.270 , ≤ 4.19.* (semver)
Unaffected: 5.4.229 , ≤ 5.4.* (semver)
Unaffected: 5.10.163 , ≤ 5.10.* (semver)
Unaffected: 5.15.86 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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    "dateReserved": "2025-12-24T13:02:21.545Z",
    "dateUpdated": "2026-05-11T19:25:00.739Z",
    "state": "PUBLISHED"
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:36:37+00:00",
      "cve": "CVE-2022-50761",
      "id": "CVE-2022-50761",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:fixed": "280",
      "product_status:known_affected": "98",
      "product_status:known_not_affected": "98",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Linux kernel (x86/xen): Memory leak in CPU lock initialization leading to denial of service.",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-50761.json",
      "version": "3"
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      "current_release_date": "2026-08-31T01:21:06Z",
      "cve": "CVE-2022-50761",
      "id": "CVE-2022-50761",
      "initial_release_date": "2025-12-25T01:03:57Z",
      "product_status:known_affected": "522",
      "product_status:known_not_affected": "155",
      "product_status:recommended": "233",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-50761",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-50761.json",
      "version": "32"
    }
  }
}



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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.


Detection rules are retrieved from Rulezet.


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