Pam-config: lpe from unprivileged to allow_active in pam

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Summary

CVECVE-2025-6018
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-07-23 15:15:34 UTC
Updated2026-06-25 03:16:37 UTC
DescriptionA Local Privilege Escalation (LPE) vulnerability has been discovered in pam-config within Linux Pluggable Authentication Modules (PAM). This flaw allows an unprivileged local attacker (for example, a user logged in via SSH) to obtain the elevated privileges normally reserved for a physically present, "allow_active" user. The highest risk is that the attacker can then perform all allow_active yes Polkit actions, which are typically restricted to console users, potentially gaining unauthorized control over system configurations, services, or other sensitive operations.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

Problem Types: CWE-863 | CWE-863 Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Suse Pam-config 1.1.8-24.71.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Red Hat Red Hat Enterprise Linux 7 Not specified Not specified
CNA Red Hat Red Hat Enterprise Linux 8 Not specified Not specified
CNA Red Hat Red Hat Enterprise Linux 9 Not specified Not specified
CNA Red Hat Red Hat In-Vehicle Operating System 1 Not specified Not specified

References

ReferenceSourceLinkTags
cdn2.qualys.com/2025/06/17/suse15-pam-udisks-lpe.txt 134c704f-9b21-4f2e-91b3-4a467353bcc0 cdn2.qualys.com Exploit, Issue Tracking, Third Party Advisory
bugzilla.redhat.com/show_bug.cgi [email protected] bugzilla.redhat.com Issue Tracking, Third Party Advisory
access.redhat.com/security/cve/CVE-2025-6018 [email protected] access.redhat.com Third Party Advisory
bugzilla.suse.com/show_bug.cgi [email protected] bugzilla.suse.com Exploit, Third Party Advisory
www.openwall.com/lists/oss-security/2025/08/28/4 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
CNA2025-06-13T14:32:19.777ZReported to Red Hat.
CNA2025-06-17T00:00:00.000ZMade public.

Workarounds

CNA: Currently, there is no mitigation available for this vulnerability.

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