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.
[
{
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a",
"deprecated": false,
"signature_type": "Line",
"target": {
"file": "arch/powerpc/kvm/book3s_rtas.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"283022038990220695991827354484806839705",
"250582643713857253970630738108980596406",
"257770354712371559047373092231178109558",
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"142177206270583377185815239746560754141",
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]
},
"signature_version": "v1",
"id": "CVE-2021-37576-64e23a68"
},
{
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a",
"deprecated": false,
"signature_type": "Function",
"target": {
"file": "arch/powerpc/kvm/book3s_rtas.c",
"function": "kvmppc_rtas_hcall"
},
"digest": {
"length": 903.0,
"function_hash": "122999562267349516658781832907408804701"
},
"signature_version": "v1",
"id": "CVE-2021-37576-6c8727cd"
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-37576.json"