FKIE_CVE-2022-50761
Vulnerability from fkie_nvd - Published: 2025-12-24 13:16 - Updated: 2026-06-17 05:24
Severity
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.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"arch/x86/xen/spinlock.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "9278bdbb566656b3704704f8dd6cbc24a6fcc569",
"status": "affected",
"version": "2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79",
"versionType": "git"
},
{
"lessThan": "07764d00c869a3390bd4f80412cc8b0e669e6c58",
"status": "affected",
"version": "2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79",
"versionType": "git"
},
{
"lessThan": "53ff99c76be611acea37d33133c9136969914865",
"status": "affected",
"version": "2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79",
"versionType": "git"
},
{
"lessThan": "29198f667f4486f9e227e11faf1411fcf4c82a66",
"status": "affected",
"version": "2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79",
"versionType": "git"
},
{
"lessThan": "70e7f308d7a8e915c7fbc0f1d959968eab8000cd",
"status": "affected",
"version": "2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79",
"versionType": "git"
},
{
"lessThan": "70966d6b0f59f795b08a70adf5e4478348ecbfbb",
"status": "affected",
"version": "2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79",
"versionType": "git"
},
{
"lessThan": "798fc3cf98ca07e448956f39295c5d686ab4b054",
"status": "affected",
"version": "2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79",
"versionType": "git"
},
{
"lessThan": "b44457b83a034efef58ffa5f3131d4615f1a9837",
"status": "affected",
"version": "2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79",
"versionType": "git"
},
{
"lessThan": "ca84ce153d887b1dc8b118029976cc9faf2a9b40",
"status": "affected",
"version": "2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"arch/x86/xen/spinlock.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "2.6.27"
},
{
"lessThan": "2.6.27",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.9.*",
"status": "unaffected",
"version": "4.9.337",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"version": "4.14.303",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.270",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.229",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.163",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.86",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.0.*",
"status": "unaffected",
"version": "6.0.16",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.2",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/xen: Fix memory leak in xen_init_lock_cpu()\n\nIn xen_init_lock_cpu(), the @name has allocated new string by kasprintf(),\nif bind_ipi_to_irqhandler() fails, it should be freed, otherwise may lead\nto a memory leak issue, fix it."
}
],
"id": "CVE-2022-50761",
"lastModified": "2026-06-17T05:24:07.987",
"metrics": {},
"published": "2025-12-24T13:16:02.873",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/07764d00c869a3390bd4f80412cc8b0e669e6c58"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/29198f667f4486f9e227e11faf1411fcf4c82a66"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/53ff99c76be611acea37d33133c9136969914865"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/70966d6b0f59f795b08a70adf5e4478348ecbfbb"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/70e7f308d7a8e915c7fbc0f1d959968eab8000cd"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/798fc3cf98ca07e448956f39295c5d686ab4b054"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/9278bdbb566656b3704704f8dd6cbc24a6fcc569"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/b44457b83a034efef58ffa5f3131d4615f1a9837"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/ca84ce153d887b1dc8b118029976cc9faf2a9b40"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Deferred"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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