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{
"id": "CVE-2024-56774",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-01-08T18:15:18.213",
"lastModified": "2025-01-08T18:15:18.213",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: add a sanity check for btrfs root in btrfs_search_slot()\n\nSyzbot reports a null-ptr-deref in btrfs_search_slot().\n\nThe reproducer is using rescue=ibadroots, and the extent tree root is\ncorrupted thus the extent tree is NULL.\n\nWhen scrub tries to search the extent tree to gather the needed extent\ninfo, btrfs_search_slot() doesn't check if the target root is NULL or\nnot, resulting the null-ptr-deref.\n\nAdd sanity check for btrfs root before using it in btrfs_search_slot()."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/3ed51857a50f530ac7a1482e069dfbd1298558d4",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/757171d1369b3b47f36932d40a05a0715496dcab",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/93992c3d9629b02dccf6849238559d5c24f2dece",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/c71d114ef68c95da5a82ec85a721ab31f5bd905b",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/db66fb87c21e8ae724886e6a464dcbac562a64c6",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}