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CVE-2024-0340

Full vulnerability record from the local CVENow database.

Description

A vulnerability was found in vhost_new_msg in drivers/vhost/vhost.c in the Linux kernel, which does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhost_new_msg() function. This issue can allow local privileged users to read some kernel memory contents when reading from the /dev/vhost-net device file.

Severity
MEDIUM
CVSS score
5.5 (v3.1)
Vulnerability status
Modified
Source identifier
Published
2024-01-09 18:15:47.503000
Last modified
2026-10-29 08:16:58.827000
View original CVE JSON
{
  "id": "CVE-2024-0340",
  "sourceIdentifier": "[email protected]",
  "published": "2024-01-09T18:15:47.503",
  "lastModified": "2026-10-29T08:16:58.827",
  "vulnStatus": "Modified",
  "cveTags": [],
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      "value": "A vulnerability was found in vhost_new_msg in drivers/vhost/vhost.c in the Linux kernel, which does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhost_new_msg() function. This issue can allow local privileged users to read some kernel memory contents when reading from the /dev/vhost-net device file."
    },
    {
      "lang": "es",
      "value": "Se encontró una vulnerabilidad en vhost_new_msg en drivers/vhost/vhost.c en el kernel de Linux, que no inicializa correctamente la memoria en los mensajes pasados entre los invitados virtuales y el sistema operativo host en la función vhost/vhost.c:vhost_new_msg(). Este problema puede permitir a los usuarios locales privilegiados leer algunos contenidos de la memoria del kernel cuando leen desde el archivo del dispositivo /dev/vhost-net."
    }
  ],
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  "metrics": {
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          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
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        "impactScore": 3.6
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          "role": "CISA Coordinator",
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    {
      "source": "[email protected]",
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      "description": [
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        }
      ]
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    {
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}