CVE-2026-59677

A flaw was found in policycoreutils through 3.10 in seunshares. Missing authorization lets a local user in an unconfined SELinux context terminate other processes that are also unconfined, including root-owned ones. That can cause denial of service by killing critical processes.

policycoreutils seunshares is vulnerable to missing authorization checks. A local low-privileged user running unconfined may kill other unconfined processes, including root-owned ones, causing denial of service. Affects policycoreutils through 3.10. Default confined SELinux setups reduce the practical attack surface.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.