CVE-2026-64234
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: tty: serial: pch_uart: add check for dma_alloc_coherent() Add a check for dma_alloc_coherent() failure to prevent a potential NULL pointer dereference in dma_handle_rx(). Properly release DMA channels and the PCI device reference using a goto ladder if the allocation fails.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-07-24 16:16:52.610000
Last modified
2026-11-08 20:10:00.187000
View original CVE JSON
{
"id": "CVE-2026-64234",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-07-24T16:16:52.610",
"lastModified": "2026-11-08T20:10:00.187",
"vulnStatus": "Analyzed",
"cveTags": [],
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{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: serial: pch_uart: add check for dma_alloc_coherent()\n\nAdd a check for dma_alloc_coherent() failure to prevent a potential\nNULL pointer dereference in dma_handle_rx(). Properly release DMA\nchannels and the PCI device reference using a goto ladder if the\nallocation fails."
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ntty: serial: pch_uart: añadir comprobación para dma_alloc_coherent()\n\nAñadir una comprobación para el fallo de dma_alloc_coherent() para prevenir una potencial desreferencia de puntero NULL en dma_handle_rx(). Liberar correctamente los canales DMA y la referencia del dispositivo PCI usando una goto ladder si la asignación falla."
}
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"scope": "UNCHANGED",
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"type": "Primary",
"description": [
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