The CIL compiler in SELinux 3.2 has a use-after-free in cilresetclasspermission (called from cilresetclasspermsset and cilresetclasspermslist).
{
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "11.0"
},
{
"last_affected": "11.0"
}
],
"cpes": [
"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"vendor_product": "debian:debian_linux"
},
{
"extracted_events": [
{
"introduced": "35"
},
{
"last_affected": "35"
}
],
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"vendor_product": "fedoraproject:fedora"
}
]
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "3.3"
}
],
"cpe": "cpe:2.3:a:selinux_project:selinux:*:*:*:*:*:*:*:*",
"source": [
"CPE_RANGE",
"REFERENCES"
]
}[
{
"target": {
"file": "libsepol/cil/src/cil_reset_ast.c"
},
"digest": {
"line_hashes": [
"238834479780486971736228051238403053341",
"153800074891775518363529245327982065367",
"290747283680954031151721411311045337991",
"162766036174898142873097102429039450688"
],
"threshold": 0.9
},
"id": "CVE-2021-36086-06db8dc3",
"deprecated": false,
"signature_version": "v1",
"signature_type": "Line",
"source": "https://github.com/selinuxproject/selinux/commit/c49a8ea09501ad66e799ea41b8154b6770fec2c8"
},
{
"target": {
"file": "libsepol/cil/src/cil_reset_ast.c",
"function": "cil_reset_classperms_set"
},
"digest": {
"function_hash": "76894657754915092398298838715200092986",
"length": 71.0
},
"id": "CVE-2021-36086-a7f133bc",
"deprecated": false,
"signature_version": "v1",
"signature_type": "Function",
"source": "https://github.com/selinuxproject/selinux/commit/c49a8ea09501ad66e799ea41b8154b6770fec2c8"
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-36086.json"
"2026-07-09T06:10:47Z"