fs/nfs/nfs4client.c in the Linux kernel before 5.13.4 has incorrect connection-setup ordering, which allows operators of remote NFSv4 servers to cause a denial of service (hanging of mounts) by arranging for those servers to be unreachable during trunking detection.
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.13.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "11.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.13.4"
}
]
}
]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38199.json"