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).
El compilador CIL en SELinux versión 3.2,, presenta un uso de la memoria previamente liberada en la función __cil_verify_classperms (llamado desde __cil_verify_classpermission y __cil_pre_verify_helper)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
| Attack Vector | LOCAL |
|---|---|
| Attack Complexity | LOW |
| Privileges Required | NONE |
| User Interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality Impact | NONE |
| Integrity Impact | NONE |
| Availability Impact | LOW |
AV:L/AC:L/Au:N/C:N/I:N/A:P
| Access Vector | LOCAL |
|---|---|
| Access Complexity | LOW |
| Authentication | NONE |
| Confidentiality Impact | NONE |
| Integrity Impact | NONE |
| Availability Impact | PARTIAL |
| Source | Type | Description |
|---|---|---|
| [email protected] | Primary |
en
CWE-416
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| selinux_project | selinux | 3.2 | <built-in method update of dict object at 0x7fd368635200> | Operating System |
| fedoraproject | fedora | 35 | <built-in method update of dict object at 0x7fd39c401400> | Operating System |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:selinux_project:selinux:3.2:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |