A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the `polkit-agent-helper-1` setuid binary via standard input (stdin). This unbounded input can lead to an out-of-memory (OOM) condition, resulting in a Denial of Service (DoS) for the system.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 26 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the `polkit-agent-helper-1` setuid binary via standard input (stdin). This unbounded input can lead to an out-of-memory (OOM) condition, resulting in a Denial of Service (DoS) for the system.
Title Polkit: polkit: denial of service via unbounded input processing through standard input
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
Weaknesses CWE-770
CPEs cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat openshift
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-03-26T15:09:59.997Z

Reserved: 2026-03-26T14:27:48.301Z

Link: CVE-2026-4897

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-26T15:16:43.017

Modified: 2026-03-26T15:16:43.017

Link: CVE-2026-4897

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses