OSV-2021-421

    Dashboard / Vulnerabilities / OSV-2021-421

    OSV-2021-421

    Published: 20 Feb 2021Last Modified: 13 Apr 2022

    Summary: Heap-use-after-free in __cil_verify_classperms

    Details: OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31124 ``` Crash type: Heap-use-after-free READ 8 Crash state: __cil_verify_classperms __verify_map_perm_classperms hashtab_map ```

    References: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31124

    Affected packages

    Package

    Name: selinux

    Purl: pkg:generic/selinux

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0451adebdf153eee1f69914141311114a0130982
    Fixed -2d35fcc7e9e976a2346b1de20e54f8663e8a6cba

    Affected versions

    3.2

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    OSV-2021-421 | CVE-DB