arch/powerpc/kvm/book3srtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtasargs.nargs, aka CID-f62f3c20647e.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-37576.json"
[
{
"signature_type": "Line",
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a",
"digest": {
"line_hashes": [
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],
"threshold": 0.9
},
"id": "CVE-2021-37576-64e23a68",
"deprecated": false,
"target": {
"file": "arch/powerpc/kvm/book3s_rtas.c"
}
},
{
"signature_type": "Function",
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a",
"digest": {
"function_hash": "122999562267349516658781832907408804701",
"length": 903.0
},
"id": "CVE-2021-37576-6c8727cd",
"deprecated": false,
"target": {
"file": "arch/powerpc/kvm/book3s_rtas.c",
"function": "kvmppc_rtas_hcall"
}
}
]