Anolis OS update for pam



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-6020
CWE-ID CWE-284
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Anolis OS
Operating systems & Components / Operating system

pam-devel
Operating systems & Components / Operating system package or component

pam
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper access control

EUVDB-ID: #VU111389

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-6020

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper access restrictions within the pam_namespace module when handling user-controlled paths. A local user can use specially crafted symlinks and race conditions to execute arbitrary code as root. 

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

pam-devel: before 1.3.1-37

pam: before 1.3.1-37

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2025:0399


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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