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CVE PROGRAM SOURCE RECORD6.0 Medium

CVE-2026-91205

Cockpit-files: cockpit-files: local attacker can hijack file ownership via symlink race

Description

A flaw was found in cockpit-files. A local unprivileged attacker can exploit a race condition during directory creation with owner assignment. By controlling a writable parent directory, the attacker can replace a newly created directory with a symbolic link (symlink) before the ownership change operation (chown) is applied. This allows the attacker to redirect the ownership change to an arbitrary file, potentially leading to information disclosure or unauthorized modification of sensitive files.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat Enterprise Linux 9

Default version status: affected

  • 0:36.1-1.el9_8 to < *unaffected

Red Hat Red Hat Enterprise Linux 10

Default version status: affected

References