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CVE-2022-49725

Estado: ModificadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

i40e: Fix call trace in setup_tx_descriptors

After PF reset and ethtool -t there was call trace in dmesg sometimes leading to panic. When there was some time, around 5 seconds, between reset and test there were no errors.

Problem was that pf reset calls i40e_vsi_close in prep_for_reset and ethtool -t calls i40e_vsi_close in diag_test. If there was not enough time between those commands the second i40e_vsi_close starts before previous i40e_vsi_close was done which leads to crash.

Add check to diag_test if pf is in reset and don't start offline tests if it is true. Add netif_info("testing failed") into unhappy path of i40e_diag_test()

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

Mostrar
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    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix call trace in setup_tx_descriptors\n\nAfter PF reset and ethtool -t there was call trace in dmesg\nsometimes leading to panic. When there was some time, around 5\nseconds, between reset and test there were no errors.\n\nProblem was that pf reset calls i40e_vsi_close in prep_for_reset\nand ethtool -t calls i40e_vsi_close in diag_test. If there was not\nenough time between those commands the second i40e_vsi_close starts\nbefore previous i40e_vsi_close was done which leads to crash.\n\nAdd check to diag_test if pf is in reset and don't start offline\ntests if it is true.\nAdd netif_info(\"testing failed\") into unhappy path of i40e_diag_test()"
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    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: i40e: Se corrige el seguimiento de llamadas en setup_tx_descriptors Después de reiniciar PF y ethtool -t, había un seguimiento de llamadas en dmesg que a veces provocaba pánico. Cuando había un tiempo, alrededor de 5 segundos, entre reiniciar y probar, no había errores. El problema era que pf reset llama a i40e_vsi_close en prep_for_reset y ethtool -t llama a i40e_vsi_close en diag_test. Si no había suficiente tiempo entre esos comandos, el segundo i40e_vsi_close se inicia antes de que se hiciera el i40e_vsi_close anterior, lo que provoca un bloqueo. Agregue una verificación a diag_test si pf está en reinicio y no inicie pruebas fuera de línea si es verdadero. Agregue netif_info(\"prueba fallida\") en la ruta no feliz de i40e_diag_test()"
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  "lastModified": "2026-08-04T10:17:54.683",
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