FKIE_CVE-2022-49583

Vulnerability from fkie_nvd - Published: 2025-02-26 07:01 - Updated: 2025-10-01 20:16
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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: iavf: Fix handling of dummy receive descriptors Fix memory leak caused by not handling dummy receive descriptor properly. iavf_get_rx_buffer now sets the rx_buffer return value for dummy receive descriptors. Without this patch, when the hardware writes a dummy descriptor, iavf would not free the page allocated for the previous receive buffer. This is an unlikely event but can still happen. [Jesse: massaged commit message]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2918419c06088f6709ceb543feb01752779ade4cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6edb818732fc05fda495f5b3a749bd1cee01398bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a9f49e0060301a9bfebeca76739158d0cf91cdf6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c6af94324911ef0846af1a5ce5e049ca736db34bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d88d59faf4e6f9cc4767664206afdb999b10ec77Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.19
linux linux_kernel 5.19
linux linux_kernel 5.19
linux linux_kernel 5.19
linux linux_kernel 5.19
linux linux_kernel 5.19
linux linux_kernel 5.19
To clipboard 

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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niavf: Fix handling of dummy receive descriptors\n\nFix memory leak caused by not handling dummy receive descriptor properly.\niavf_get_rx_buffer now sets the rx_buffer return value for dummy receive\ndescriptors. Without this patch, when the hardware writes a dummy\ndescriptor, iavf would not free the page allocated for the previous receive\nbuffer. This is an unlikely event but can still happen.\n\n[Jesse: massaged commit message]"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iavf: Se corrige la gesti\u00f3n de descriptores de recepci\u00f3n ficticios Se corrige la p\u00e9rdida de memoria causada por no manejar correctamente los descriptores de recepci\u00f3n ficticios. iavf_get_rx_buffer ahora establece el valor de retorno de rx_buffer para los descriptores de recepci\u00f3n ficticios. Sin este parche, cuando el hardware escribe un descriptor ficticio, iavf no liberar\u00eda la p\u00e1gina asignada para el b\u00fafer de recepci\u00f3n anterior. Este es un evento poco probable, pero a\u00fan puede suceder. [Jesse: mensaje de confirmaci\u00f3n modificado]"
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  "lastModified": "2025-10-01T20:16:51.580",
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