2025-03-02 03:03:52 +00:00

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{
"id": "CVE-2022-49408",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-02-26T07:01:17.323",
"lastModified": "2025-02-26T07:01:17.323",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix memory leak in parse_apply_sb_mount_options()\n\nIf processing the on-disk mount options fails after any memory was\nallocated in the ext4_fs_context, e.g. s_qf_names, then this memory is\nleaked. Fix this by calling ext4_fc_free() instead of kfree() directly.\n\nReproducer:\n\n mkfs.ext4 -F /dev/vdc\n tune2fs /dev/vdc -E mount_opts=usrjquota=file\n echo clear > /sys/kernel/debug/kmemleak\n mount /dev/vdc /vdc\n echo scan > /sys/kernel/debug/kmemleak\n sleep 5\n echo scan > /sys/kernel/debug/kmemleak\n cat /sys/kernel/debug/kmemleak"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ext4: se corrige la p\u00e9rdida de memoria en parse_apply_sb_mount_options() Si el procesamiento de las opciones de montaje en disco falla despu\u00e9s de que se haya asignado memoria en ext4_fs_context, por ejemplo, s_qf_names, entonces se produce una p\u00e9rdida de memoria. Corrija esto llamando a ext4_fc_free() en lugar de kfree() directamente. Reproductor: mkfs.ext4 -F /dev/vdc tune2fs /dev/vdc -E mount_opts=usrjquota=file echo clear > /sys/kernel/debug/kmemleak mount /dev/vdc /vdc echo scan > /sys/kernel/debug/kmemleak sleep 5 echo scan > /sys/kernel/debug/kmemleak cat /sys/kernel/debug/kmemleak"
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/9ea3e6168948189cec31d0678d2b55b395f88491",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/c069db76ed7b681c69159f44be96d2137e9ca989",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f92ded66e9d0aa20b883a2a5183973abc8f41815",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}