# CVE-2024-6126: Cockpit: authenticated user can kill any process when enabling pam_env's user_readenv option

Status: published. Published: 2024-07-03. Updated: 2026-11-07.

A flaw was found in the cockpit package. This flaw allows an authenticated user to kill any process when enabling the pam_env's user_readenv option, which leads to a denial of service (DoS) attack.

## Remediation

- workaround: Disable pam_env's `user_readenv` option in PAM config. (source: CNA: redhat)

## Affected products and versions

-  /  (cockpit): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9 (cockpit): ≥ 0:323.1-1.el9_5; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 10 (cockpit): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 (cockpit): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 (cockpit): Version range not reported. Source: CNA: redhat

## Severity and prioritization

- CVSS 3.1: 3.2 (low); CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:L; source: CNA: redhat

- CISA KEV: No listing in collected sources

- EPSS: 0.27% as of 2026-11-06; percentile 19.88%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-400

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://access.redhat.com/errata/RHSA-2024:9325 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/security/cve/CVE-2024-6126 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2292897 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

- https://access.redhat.com/security/cve/CVE-2024-6126 (ADP: CVE; vdb-entry, x_refsource_REDHAT, x_transferred)

- https://bugzilla.redhat.com/show_bug.cgi?id=2292897 (ADP: CVE; issue-tracking, x_refsource_REDHAT, x_transferred)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2024-6126; retrieved 2026-11-07; source updated 2026-11-07

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2024-6126; retrieved 2026-11-07; source updated Not reported

Revision: 90f059a66b05bc011b249da54f547948a7713e854a5c2e8b3aa70f8ff9b97e90

Canonical: https://y2.dev/cve/CVE-2024-6126

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