cve-2024-39506
Vulnerability from cvelistv5
Published
2024-07-12 12:20
Modified
2024-09-11 17:32
Severity ?
Summary
liquidio: Adjust a NULL pointer handling path in lio_vf_rep_copy_packet
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/87d6bdc006f0cbf297a3b2ad6e40ede4c3ee5dc2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a6f4d0ec170a46b5f453cacf55dff5989b42bbfaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a86490a3712cc513113440a606a0e77130abd47cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c44711b78608c98a3e6b49ce91678cd0917d5349Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cbf18d8128a753cb632bef39470d19befd9c7347Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dcc7440f32c7a26b067aff6e7d931ec593024a79Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f1ab15a09492a5ae8ab1e2c35ba2cf9e150d25eePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fd2b613bc4c508e55c1221c6595bb889812a4feaPatch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

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El seguimiento de llamadas de lio_vf_rep_copy_packet() se ve as\u00ed: octeon_droq_process_packets octeon_droq_fast_process_packets octeon_droq_dispatch_pkt octeon_create_recv_info ...buscar en la lista de despacho... -\u0026gt;disp_fn(rdisp-\u0026gt;rinfo, ...) lio_vf_rep_pkt_recv(struct octeon_recv_info *rec v_info, ...) En este camino hay No hay ning\u00fan c\u00f3digo que establezca pg_info-\u0026gt;page en NULL. Por lo tanto, esta verificaci\u00f3n parece innecesaria y no resuelve el problema potencial. Pero supongo que el autor ten\u00eda motivos para agregar un cheque y yo no tengo esa tarjeta y no puedo hacer una prueba real. Adem\u00e1s, el c\u00f3digo de la funci\u00f3n liquidio_push_packet() en liquidio/lio_core.c hace exactamente lo mismo. En base a esto, considero la soluci\u00f3n de compromiso m\u00e1s aceptable para ajustar este problema moviendo skb_add_rx_frag() al alcance condicional. 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