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MitreCVE-2021-36084

HistoryJul 01, 2021 - 3:15 a.m.

CVE-2021-36084

2021-07-0103:15:08

CWE-416

mitre

web.nvd.nist.gov

169

cve-2021-36084

selinux

cil compiler

security vulnerability

nvd

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

AI Score

4.1

Confidence

High

EPSS

0.001

Percentile

40.6%

JSON

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

Affected configurations

Nvd

Node

selinux_projectselinuxMatch3.2

Node

fedoraprojectfedoraMatch35

VendorProductVersionCPE
selinux_projectselinux3.2cpe:2.3:o:selinux_project:selinux:3.2:*:*:*:*:*:*:*
fedoraprojectfedora35cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*