fkie_cve-2022-50142
Vulnerability from fkie_nvd
Published
2025-06-18 11:15
Modified
2025-06-18 13:47
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
intel_th: msu: Fix vmalloced buffers
After commit f5ff79fddf0e ("dma-mapping: remove CONFIG_DMA_REMAP") there's
a chance of DMA buffer getting allocated via vmalloc(), which messes up
the mmapping code:
> RIP: msc_mmap_fault [intel_th_msu]
> Call Trace:
> <TASK>
> __do_fault
> do_fault
...
Fix this by accounting for vmalloc possibility.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nintel_th: msu: Fix vmalloced buffers\n\nAfter commit f5ff79fddf0e (\"dma-mapping: remove CONFIG_DMA_REMAP\") there\u0027s\na chance of DMA buffer getting allocated via vmalloc(), which messes up\nthe mmapping code:\n\n\u003e RIP: msc_mmap_fault [intel_th_msu]\n\u003e Call Trace:\n\u003e \u003cTASK\u003e\n\u003e __do_fault\n\u003e do_fault\n...\n\nFix this by accounting for vmalloc possibility."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: intel_th: msu: Reparar b\u00faferes vmalloced Despu\u00e9s de el commit f5ff79fddf0e (\"dma-mapping: remove CONFIG_DMA_REMAP\") existe la posibilidad de que el buffer DMA se asigne a trav\u00e9s de vmalloc(), lo que arruina el c\u00f3digo mmapping: \u0026gt; RIP: msc_mmap_fault [intel_th_msu] \u0026gt; Rastreo de llamada: \u0026gt; \u0026gt; __do_fault \u0026gt; do_fault ... Solucione esto teniendo en cuenta la posibilidad de vmalloc."
}
],
"id": "CVE-2022-50142",
"lastModified": "2025-06-18T13:47:40.833",
"metrics": {},
"published": "2025-06-18T11:15:44.187",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/0ed72c6bc632cbf8d979ac60f982ff84b7bb610a"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/4914c50670b6a531e2cb17cd984cc565b4681312"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/566887bad7ff2297d6b3f9659c702ba075f3d62d"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/ac12ad3ccf6d386e64a9d6a890595a2509d24edd"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/b5d924cb4c7b952eaa61622f14427723a78137a3"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Awaiting Analysis"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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