CVE-2025-6020

Publication date 17 June 2025

Last updated 25 June 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

Description

A flaw was found in linux-pam. The module pam_namespace may use access user-controlled paths without proper protection, allowing local users to elevate their privileges to root via multiple symlink attacks and race conditions.

Read the notes from the security team

Status

Package Ubuntu Release Status
pam 26.04 LTS resolute
Fixed 1.5.3-7ubuntu6
25.10 questing
Fixed 1.5.3-7ubuntu6
25.04 plucky
Fixed 1.5.3-7ubuntu4.3
24.10 oracular
Fixed 1.5.3-7ubuntu2.3
24.04 LTS noble
Fixed 1.5.3-5ubuntu5.4
22.04 LTS jammy
Fixed 1.4.0-11ubuntu2.6
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty
Needs evaluation

Notes

mdeslaur

pam_namespace not used in default installations

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.8 · High

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

References

Related Ubuntu Security Notices (USN)

Other references

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