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{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nr8169: Fix possible ring buffer corruption on fragmented Tx packets.\n\nAn issue was found on the RTL8125b when transmitting small fragmented\npackets, whereby invalid entries were inserted into the transmit ring\nbuffer, subsequently leading to calls to dma_unmap_single() with a null\naddress.\n\nThis was caused by rtl8169_start_xmit() not noticing changes to nr_frags\nwhich may occur when small packets are padded (to work around hardware\nquirks) in rtl8169_tso_csum_v2().\n\nTo fix this, postpone inspecting nr_frags until after any padding has been\napplied."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: r8169: corrige una posible corrupci\u00f3n del b\u00fafer en anillo en paquetes Tx fragmentados. Se encontr\u00f3 un problema en el RTL8125b al transmitir peque\u00f1os paquetes fragmentados, por el cual se insertaban entradas no v\u00e1lidas en el b\u00fafer del anillo de transmisi\u00f3n, lo que posteriormente generaba llamadas a dma_unmap_single() con una direcci\u00f3n nula. Esto se debi\u00f3 a que rtl8169_start_xmit() no not\u00f3 los cambios en nr_frags que pueden ocurrir cuando se rellenan paquetes peque\u00f1os (para evitar peculiaridades del hardware) en rtl8169_tso_csum_v2(). Para solucionar este problema, posponga la inspecci\u00f3n de nr_frags hasta que se haya aplicado el relleno."}], "id": "CVE-2024-38586", "lastModified": "2024-11-21T09:26:24.963", "metrics": {}, "published": "2024-06-19T14:15:18.700", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/078d5b7500d70af2de6b38e226b03f0b932026a6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0c48185a95309556725f818b82120bb74e9c627d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/54e7a0d111240c92c0f02ceba6eb8f26bf6d6479"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/61c1c98e2607120ce9c3fa1bf75e6da909712b27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/68222d7b4b72aa321135cd453dac37f00ec41fd1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b6d21cf40de103d63ae78551098a7c06af8c98dd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c71e3a5cffd5309d7f84444df03d5b72600cc417"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/078d5b7500d70af2de6b38e226b03f0b932026a6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/0c48185a95309556725f818b82120bb74e9c627d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/54e7a0d111240c92c0f02ceba6eb8f26bf6d6479"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/61c1c98e2607120ce9c3fa1bf75e6da909712b27"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/68222d7b4b72aa321135cd453dac37f00ec41fd1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/b6d21cf40de103d63ae78551098a7c06af8c98dd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/c71e3a5cffd5309d7f84444df03d5b72600cc417"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

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