FKIE_CVE-2022-49122

Vulnerability from fkie_nvd - Published: 2025-02-26 07:00 - Updated: 2025-10-14 19:56
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: dm ioctl: prevent potential spectre v1 gadget It appears like cmd could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/02cc46f397eb3691c56affbd5073e54f7a82ac32Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0320bac5801b31407200227173205d017488f140Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/44e6cb3ab177faae840bb2c1ebda9a2539876184Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/58880025e3362024f6d8ea01cb0c7a5df6c84ba6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/71c8df33fd777c7628f6fbc09b14e84806c55914Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/76c94651005f58885facf9c973007f5ea01ab01fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7ae2c5b89da3cfaf856df880af27d3bb32a74b3dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cd9c88da171a62c4b0f1c70e50c75845969fbc18Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dd86064417de828ff2102ddc6049c829bf7585b4Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

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      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm ioctl: prevent potential spectre v1 gadget\n\nIt appears like cmd could be a Spectre v1 gadget as it\u0027s supplied by a\nuser and used as an array index. Prevent the contents of kernel memory\nfrom being leaked to userspace via speculative execution by using\narray_index_nospec."
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      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dm ioctl: evitar un posible gadget de Spectre v1 Parece que cmd podr\u00eda ser un gadget de Spectre v1, ya que lo proporciona un usuario y lo utiliza como \u00edndice de matriz. Evite que el contenido de la memoria del kernel se filtre al espacio de usuario mediante una ejecuci\u00f3n especulativa utilizando array_index_nospec."
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  "id": "CVE-2022-49122",
  "lastModified": "2025-10-14T19:56:27.750",
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          "baseScore": 5.5,
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          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
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  • 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.
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