CVE-2026-99180 | Linux Kernel up to 6.18.58/7.2.12 Unicode shmem_parse_opt_casefold.isra.0 utf8_casefold_hash s_encoding use after free

October 28, 2026 Yanac

A vulnerability was found in Linux Kernel up to 6.18.58/7.2.12 and classified as very critical. This impacts the function utf8_casefold_hash of the file shmem_parse_opt_casefold.isra.0 of the component Unicode. Executing a manipulation of the argument s_encoding can lead to use after free.

This vulnerability is tracked as CVE-2026-99180. The attack is restricted to local execution. No exploit exists.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More