The vulnerability CVE-2025-6020 affects the Linux PAM component in Red Hat Enterprise Linux 8, involving a directory traversal flaw (CWE-22). This flaw could allow an attacker to access files or directories outside the intended scope by manipulating file paths. Red Hat has released updated PAM packages (pam-1.3.1-38.el8_10) to fix this issue across multiple architectures including x86_64, s390x, ppc64le, and aarch64. The advisory also references an additional CVE (CVE-2025-8941) but focuses on the directory traversal vulnerability. The vendor advisory provides detailed package updates and instructions for remediation.

Successful exploitation of this directory traversal vulnerability could allow an attacker to access or manipulate files outside of the intended directories, potentially leading to unauthorized information disclosure or privilege escalation. However, no active exploits have been reported in the wild. The vulnerability affects authentication modules, which are critical for system security, thus the impact is considered significant.

Red Hat has released updated PAM packages to address this vulnerability. Users of Red Hat Enterprise Linux 8 should apply the security update pam-1.3.1-38.el8_10 or later as provided in the Red Hat advisory RHSA-2025:14557. Detailed update instructions are available at https://access.redhat.com/articles/11258. Applying this official fix mitigates the vulnerability. No additional mitigation steps are indicated by the vendor.