libseccomp-golang 0.9.0 and earlier incorrectly generates BPFs that OR multiple arguments rather than ANDing them. A process running under a restrictive seccomp filter that specified multiple syscall arguments could bypass intended access restrictions by specifying a single matching argument.
{
"unresolved_ranges": [
{
"source": "CPE_RANGE",
"cpes": [
"cpe:2.3:a:libseccomp-golang_project:libseccomp-golang:*:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "0.9.0"
}
],
"vendor_product": "libseccomp-golang_project:libseccomp-golang"
}
]
}