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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00066.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 affected < 9278bdbb566656b3704704f8dd6cbc24a6fcc569
2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 affected < 07764d00c869a3390bd4f80412cc8b0e669e6c58
2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 affected < 53ff99c76be611acea37d33133c9136969914865
2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 affected < 29198f667f4486f9e227e11faf1411fcf4c82a66
2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 affected < 70e7f308d7a8e915c7fbc0f1d959968eab8000cd
2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 affected < 70966d6b0f59f795b08a70adf5e4478348ecbfbb
2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 affected < 798fc3cf98ca07e448956f39295c5d686ab4b054
2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 affected < b44457b83a034efef58ffa5f3131d4615f1a9837
2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79 affected < ca84ce153d887b1dc8b118029976cc9faf2a9b40
Linux Linux affected
Version Status Constraints
2.6.27 affected —
0 unaffected < 2.6.27
4.9.337 unaffected ≤ 4.9.*
4.14.303 unaffected ≤ 4.14.*
4.19.270 unaffected ≤ 4.19.*
5.4.229 unaffected ≤ 5.4.*
5.10.163 unaffected ≤ 5.10.*
5.15.86 unaffected ≤ 5.15.*
6.0.16 unaffected ≤ 6.0.*
6.1.2 unaffected ≤ 6.1.*
6.2 unaffected ≤ *

No data.

No data.

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/07764d00c869a3390bd4f80412cc8b0e669e6c58 cve-icon cve-icon
https://git.kernel.org/stable/c/29198f667f4486f9e227e11faf1411fcf4c82a66 cve-icon cve-icon
https://git.kernel.org/stable/c/53ff99c76be611acea37d33133c9136969914865 cve-icon cve-icon
https://git.kernel.org/stable/c/70966d6b0f59f795b08a70adf5e4478348ecbfbb cve-icon cve-icon
https://git.kernel.org/stable/c/70e7f308d7a8e915c7fbc0f1d959968eab8000cd cve-icon cve-icon
https://git.kernel.org/stable/c/798fc3cf98ca07e448956f39295c5d686ab4b054 cve-icon cve-icon
https://git.kernel.org/stable/c/9278bdbb566656b3704704f8dd6cbc24a6fcc569 cve-icon cve-icon
https://git.kernel.org/stable/c/b44457b83a034efef58ffa5f3131d4615f1a9837 cve-icon cve-icon
https://git.kernel.org/stable/c/ca84ce153d887b1dc8b118029976cc9faf2a9b40 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025122455-CVE-2022-50761-0e67@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2022-50761 cve-icon
https://www.cve.org/CVERecord?id=CVE-2022-50761 cve-icon
History

Thu, 25 Dec 2025 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Low

Wed, 24 Dec 2025 13:15:00 +0000

Type Values Removed Values Added
Description 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.
Title x86/xen: Fix memory leak in xen_init_lock_cpu()
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-12-24T13:05:53.312Z

Reserved: 2025-12-24T13:02:21.545Z

Link: CVE-2022-50761

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-24T13:16:02.873

Modified: 2025-12-29T15:58:34.503

Link: CVE-2022-50761

cve-icon Redhat

Severity : Low

Publid Date: 2025-12-24T00:00:00Z

Links: CVE-2022-50761 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.