CVE-2025-21887 | Linux Kernel up to 5.15.178/6.1.129/6.6.80/6.12.17/6.13.5 fs/overlayfs/util.c dput use after free (EUVD-2025-8469 / Nessus ID 234309)
A vulnerability, which was classified as critical, was found in Linux Kernel up to 5.15.178/6.1.129/6.6.80/6.12.17/6.13.5. Affected is the function dput in the library fs/overlayfs/util.c. The manipulation results in use after free.
This vulnerability is cataloged as CVE-2025-21887. The attack must originate from the local network. There is no exploit available.
You should upgrade the affected component.