mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
synced 2025-05-28 01:02:25 +00:00
29 lines
3.1 KiB
JSON
29 lines
3.1 KiB
JSON
{
|
|
"id": "CVE-2024-50212",
|
|
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"published": "2024-11-09T11:15:04.940",
|
|
"lastModified": "2024-11-12T13:56:24.513",
|
|
"vulnStatus": "Awaiting Analysis",
|
|
"cveTags": [],
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlib: alloc_tag_module_unload must wait for pending kfree_rcu calls\n\nBen Greear reports following splat:\n ------------[ cut here ]------------\n net/netfilter/nf_nat_core.c:1114 module nf_nat func:nf_nat_register_fn has 256 allocated at module unload\n WARNING: CPU: 1 PID: 10421 at lib/alloc_tag.c:168 alloc_tag_module_unload+0x22b/0x3f0\n Modules linked in: nf_nat(-) btrfs ufs qnx4 hfsplus hfs minix vfat msdos fat\n...\n Hardware name: Default string Default string/SKYBAY, BIOS 5.12 08/04/2020\n RIP: 0010:alloc_tag_module_unload+0x22b/0x3f0\n codetag_unload_module+0x19b/0x2a0\n ? codetag_load_module+0x80/0x80\n\nnf_nat module exit calls kfree_rcu on those addresses, but the free\noperation is likely still pending by the time alloc_tag checks for leaks.\n\nWait for outstanding kfree_rcu operations to complete before checking\nresolves this warning.\n\nReproducer:\nunshare -n iptables-nft -t nat -A PREROUTING -p tcp\ngrep nf_nat /proc/allocinfo # will list 4 allocations\nrmmod nft_chain_nat\nrmmod nf_nat # will WARN.\n\n[akpm@linux-foundation.org: add comment]"
|
|
},
|
|
{
|
|
"lang": "es",
|
|
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: lib: alloc_tag_module_unload debe esperar llamadas kfree_rcu pendientes Ben Greear informa del siguiente splat: ------------[ cortar aqu\u00ed ]------------ net/netfilter/nf_nat_core.c:1114 m\u00f3dulo nf_nat func:nf_nat_register_fn tiene 256 asignados en la descarga del m\u00f3dulo ADVERTENCIA: CPU: 1 PID: 10421 en lib/alloc_tag.c:168 alloc_tag_module_unload+0x22b/0x3f0 M\u00f3dulos vinculados en: nf_nat(-) btrfs ufs qnx4 hfsplus hfs minix vfat msdos fat ... Nombre del hardware: Cadena predeterminada Cadena predeterminada/SKYBAY, BIOS 5.12 08/04/2020 RIP: 0010:alloc_tag_module_unload+0x22b/0x3f0 codetag_unload_module+0x19b/0x2a0 ? codetag_load_module+0x80/0x80 La salida del m\u00f3dulo nf_nat llama a kfree_rcu en esas direcciones, pero es probable que la operaci\u00f3n de liberaci\u00f3n a\u00fan est\u00e9 pendiente en el momento en que alloc_tag verifique si hay fugas. Espere a que se completen las operaciones kfree_rcu pendientes antes de que la verificaci\u00f3n resuelva esta advertencia. Reproductor: unshare -n iptables-nft -t nat -A PREROUTING -p tcp grep nf_nat /proc/allocinfo # enumerar\u00e1 4 asignaciones rmmod nft_chain_nat rmmod nf_nat # emitir\u00e1 una ADVERTENCIA. [akpm@linux-foundation.org: agregar comentario]"
|
|
}
|
|
],
|
|
"metrics": {},
|
|
"references": [
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/24211fb49c9ac1b576470b7e393a5a0b50af2707",
|
|
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/dc783ba4b9df3fb3e76e968b2cbeb9960069263c",
|
|
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
|
|
}
|
|
]
|
|
} |