The Linux kernel's iwlwifi driver contained a use-after-free vulnerability in the iwl_mld_remove_link() function. The code freed the 'link' object using kfree_rcu(link, rcu_head) and subsequently dereferenced 'link' to access 'link->fw_id', leading to a potential use-after-free condition. The remediation involved saving the 'link->fw_id' before freeing the 'link' object to avoid unsafe memory access. This vulnerability is tracked as CVE-2025-68182 and is rated with a high severity CVSS score (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H). No explicit patch or affected version information is provided in the source data.

Exploitation of this vulnerability could lead to high impact on confidentiality, integrity, and availability of the affected system due to the use-after-free condition in the wireless driver. This could potentially allow an attacker with network access to cause memory corruption, leading to system crashes or arbitrary code execution. However, no known exploits in the wild have been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor vendor communications for updates. Avoiding exposure to untrusted wireless networks may reduce risk until a fix is applied.