Low [CVE-2024-6126] Cockpit: authenticated user can kill any process when enabling pam_env's user_readenv option
This low-severity Red Hat Linux advisory covers CVE-2024-6126 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published
Summary
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.
It disabled by default in Fedora and RHEL, and marked as deprecated/unsafe. In Debian/OpenSUSE it has enabled by default.
Red Hat severity: Low — CVSS 3.2 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:L). Weakness: CWE-400.
Affected Red Hat products: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8. Will not fix / out of support: Red Hat Enterprise Linux 7.
Red Hat fixing advisory: RHSA-2024:9325.
Affected products named by the advisory: Red Hat package: cockpit.
Is CVE-2024-6126 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2024-6126 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2024-6126?
Upgrade to a fixed release named by Red Hat:
- cockpit-0:323.1-1.el9_5
- RHSA-2024:9325
Confirm against the vendor advisory before you patch.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
- cockpit-0:323.1-1.el9_5
- RHSA-2024:9325
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
Mitigation checklist
- Disable pam_env's `user_readenv` option in PAM config.
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
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