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Vulnerability · Published Dec 16, 2025 · Assigned by Linux

CVE-2025-68182wifi: iwlwifi: fix potential use after free in iwl_mld_remove_link()

High 7.5

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.2%top 87.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: fix potential use after free in iwl_mld_remove_link() This code frees "link" by calling kfree_rcu(link, rcu_head) and then it dereferences "link" to get the "link->fw_id". Save the "link->fw_id" first to avoid a potential use after free.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:14linux6.17.8-1DEBIAN-CVE-2025-68182
Ubuntu:25.10linux6.17.0-14.14UBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-68182
Ubuntu:25.10linux-aws6.17.0-1007.7UBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-aws-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-68182
Ubuntu:25.10linux-azure6.17.0-1008.8UBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-68182
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-68182
Ubuntu:25.10linux-gcp6.17.0-1007.7UBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-gcp-6.176.17.0-1008.8~24.04.1UBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-nvidia-6.176.17.0-1008.8UBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-oem-6.176.17.0-1011.11UBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-68182
Ubuntu:25.10linux-oracle6.17.0-1007.7UBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-oracle-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-68182
Ubuntu:25.10linux-raspi6.17.0-1008.8UBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-68182
Ubuntu:25.10linux-realtime6.17.0-1006.7UBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-68182
Ubuntu:25.10linux-riscv6.17.0-14.14.1UBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-68182
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-68182
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-68182

Affected products (as reported)

VendorProductVersions
Linux Linux d1e879ec600f9b3bdd253167533959facfefb17b – before 5b4a239c9f94e1606435f1842fc6fd426d607dbbd1e879ec600f9b3bdd253167533959facfefb17b – before 77e67d5daaf155f7d0f99f4e797c4842169ec19e
Linux Linux 6.15

References