CVE-2025-6020 found in deb/debian/pam@1.7.0

Important

Risk: 0.59 (Low) CVSS: 7.8

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.

Affected component

The vulnerability is in pkg:deb/debian/pam@1.7.0, found in artifacts pkg:oci/postgresql?repository_url=registry.opencode.de/open-code/oci/postgresql&tag=18-trixie, pkg:oci/postgresql?repository_url=registry.opencode.de/open-code/oci/postgresql&tag=15-trixie, pkg:oci/postgresql?repository_url=registry.opencode.de/open-code/oci/postgresql&tag=17-trixie, pkg:oci/postgresql?repository_url=registry.opencode.de/open-code/oci/postgresql&tag=16-trixie.

Recommended fix

No fix is available.

Additional guidance for mitigating vulnerabilities

Visit our guides on devguard.org

See more details...

Path to component

 %%{init: { 'theme':'base', 'themeVariables': {
'primaryColor': '#F3F3F3',
'primaryTextColor': '#0D1117',
'primaryBorderColor': '#999999',
'lineColor': '#999999',
'secondaryColor': '#ffffff',
'tertiaryColor': '#ffffff'
} }}%%
 flowchart TD
root(["root"]) --- sbom_CONTAINER_SCANNING(["sbom:CONTAINER_SCANNING"])
sbom_CONTAINER_SCANNING(["sbom:CONTAINER_SCANNING"]) --- debian_13_2(["debian\@13.2"])
debian_13_2(["debian\@13.2"]) --- debian_apt(["debian/apt"])
debian_apt(["debian/apt"]) --- debian_adduser(["debian/adduser"])
debian_adduser(["debian/adduser"]) --- debian_passwd(["debian/passwd"])
debian_passwd(["debian/passwd"]) --- debian_pam(["debian/pam"])
debian_13_2(["debian\@13.2"]) --- debian_gnupg2(["debian/gnupg2"])
debian_gnupg2(["debian/gnupg2"]) --- debian_dirmngr(["debian/dirmngr"])
debian_dirmngr(["debian/dirmngr"]) --- debian_adduser(["debian/adduser"])
debian_13_2(["debian\@13.2"]) --- debian_login(["debian/login"])
debian_login(["debian/login"]) --- debian_pam(["debian/pam"])
debian_13_2(["debian\@13.2"]) --- debian_pam(["debian/pam"])
debian_13_2(["debian\@13.2"]) --- debian_postgresql_18_jit(["debian/postgresql-18-jit"])
debian_postgresql_18_jit(["debian/postgresql-18-jit"]) --- debian_postgresql_18(["debian/postgresql-18"])
debian_postgresql_18(["debian/postgresql-18"]) --- debian_pam(["debian/pam"])
debian_postgresql_18(["debian/postgresql-18"]) --- debian_postgresql_common(["debian/postgresql-common"])
debian_postgresql_common(["debian/postgresql-common"]) --- debian_adduser(["debian/adduser"])
debian_postgresql_common(["debian/postgresql-common"]) --- debian_ssl_cert(["debian/ssl-cert"])
debian_ssl_cert(["debian/ssl-cert"]) --- debian_adduser(["debian/adduser"])
debian_postgresql_18(["debian/postgresql-18"]) --- debian_ssl_cert(["debian/ssl-cert"])

classDef default stroke-width:2px

Risk Factor	Value	Description
Vulnerability Depth	`6`	The vulnerability is in a dependency of a dependency in your project. It is 6 levels deep.
EPSS	`0.03 %`	The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
EXPLOIT	`Not available`	We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database. There are no script kiddies exploiting this vulnerability.
CVSS-BE	`7.8`	- Exploiting this vulnerability significantly impacts availability. - Exploiting this vulnerability significantly impacts integrity. - Exploiting this vulnerability significantly impacts confidentiality.
CVSS-B	`7.8`	- The vulnerability requires local access to the device to be exploited. - It is easy for an attacker to exploit this vulnerability. - An attacker needs basic access or low-level privileges. - No user interaction is needed for the attacker to exploit this vulnerability. - The impact is confined to the system where the vulnerability exists. - There is a high impact on the confidentiality of the information. - There is a high impact on the integrity of the data. - There is a high impact on the availability of the system.

More details can be found in DevGuard

Interact with this vulnerability

You can use the following slash commands to interact with this vulnerability:

👍 Reply with this to acknowledge and accept the identified risk.

/accept I accept the risk of this vulnerability, because ...

⚠️ Mark the risk as false positive: Use one of these commands if you believe the reported vulnerability is not actually a valid issue.

/component-not-present The vulnerable component is not included in the artifact.

/vulnerable-code-not-present The component is present, but the vulnerable code is not included or compiled.

/vulnerable-code-not-in-execute-path The vulnerable code exists, but is never executed at runtime.

/vulnerable-code-cannot-be-controlled-by-adversary Built-in protections prevent exploitation of this vulnerability.

/inline-mitigations-already-exist The vulnerable code cannot be controlled or influenced by an attacker.

🔁 Reopen the risk: Use this command to reopen a previously closed or accepted vulnerability.

/reopen ...