Use-after-free in Linux kernel - CVE-2025-68182

Vulnerability identifier: #VU120030

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-68182

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the iwl_mld_remove_link() function in drivers/net/wireless/intel/iwlwifi/mld/link.c. A local user can escalate privileges on the system.

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-gcp (Ubuntu package)
linux-aws (Ubuntu package)
linux-azure (Ubuntu package)
linux-oem-6.17 (Ubuntu package)

Install update from vendor's repository.

linux (Ubuntu package) - addressed in versions 6.17.0-14.14, 6.17.0-1006.7, 6.17.0-1008.8
linux-gcp (Ubuntu package) - update to 6.17.0-1007.7
linux-aws (Ubuntu package) - update to 6.17.0-1007.7
linux-azure (Ubuntu package) - update to 6.17.0-1008.8
linux-oem-6.17 (Ubuntu package) - update to 6.17.0-1011.11

• https://git.kernel.org/stable/c/5b4a239c9f94e1606435f1842fc6fd426d607dbb
• https://git.kernel.org/stable/c/77e67d5daaf155f7d0f99f4e797c4842169ec19e

• Use-after-free in Linux kernel iwlwifi mld driver
• Ubuntu update for linux-gcp
• Ubuntu update for linux
• Ubuntu update for linux-aws
• Ubuntu update for linux-oem-6.17
• Ubuntu update for linux-azure