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Findings

CVE-2021-36085

The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm_classperms and hashtab_map).

Published Jul 1, 2021 · updated Oct 14, 2026 · selinux project selinux

The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm_classperms and hashtab_map).

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 1, 2021 · NIST NVD

    Detected

    The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm_classperms and hashtab_map).

  2. Oct 14, 2026 · NIST NVD

    Updated

    The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm_classperms and hashtab_map).

Affected

  • cpe fedoraproject/fedora35
  • cpe selinux project/selinux3.2

Sources

  • CVE.orgVulnerability recordCVE-2021-36085

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-36085

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2021-36085

    The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm_classperms and hashtab_map).

    nvd.nist.gov

References