CVE-2021-36084

Опубликовано: 01 июл. 2021

Источник: nvd

CVSS3: 3.3

CVSS2: 2.1

EPSS Низкий

Описание

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).

Ссылки

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31065
Exploit
Issue Tracking
Patch
Third Party Advisory
https://github.com/SELinuxProject/selinux/commit/f34d3d30c8325e4847a6b696fe7a3936a8a361f3
Patch
Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-417.yaml
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31065
Exploit
Issue Tracking
Patch
Third Party Advisory
https://github.com/SELinuxProject/selinux/commit/f34d3d30c8325e4847a6b696fe7a3936a8a361f3
Patch
Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-417.yaml
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/

Уязвимые конфигурации

Конфигурация 1

cpe:2.3:o:selinux_project:selinux:3.2:*:*:*:*:*:*:*

Конфигурация 2

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

EPSS

Процентиль: 3%

0.00017

Низкий

3.3 Low

CVSS3

2.1 Low

CVSS2

Дефекты

CWE-416

Связанные уязвимости

CVE-2021-36084

CVSS3: 3.3

ubuntu

около 4 лет назад

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).

CVE-2021-36084

CVSS3: 3.3

redhat

больше 4 лет назад

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).

CVE-2021-36084

CVSS3: 3.3

debian

около 4 лет назад

The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_c ...

GHSA-8p9r-xrm6-68wq

github

около 3 лет назад

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).

BDU:2021-03701

CVSS3: 5.5

fstec

больше 4 лет назад

Уязвимость функции __cil_verify_classperms() системы контроля доступа SELinux, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 3%

0.00017

Низкий

3.3 Low

CVSS3

2.1 Low

CVSS2

Дефекты

CWE-416