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In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: mld: don't dereference a pointer before NULL checking it
In iwl_mld_remove_link, the link->fw_id is saved at the beginning of the function so we have it after we freed the link.
But the link pointer can be NULL, and is not checked when the fw_id is stored.
Fix it by simply freeing the link at the end of the function.
fFixes: 0e66a39f4f0e ("wifi: iwlwifi: fix potential use after free in iwl_mld_remove_link()")
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Redhat_linux | — | No solution exists | Jul 29, 2026 | Jul 24, 2026 |
| Ubuntu | — | Upgrade linux-image-nvidia-bosUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-raspiUpgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-oracleUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-aws-64k-7.0Upgrade linux-image-gcp-7.0Upgrade linux-image-nvidiaUpgrade linux-image-gcp-64kUpgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-aws-64kUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-7.0.0-1014-azureUpgrade linux-image-7.0.0-1011-oracle-64kUpgrade linux-image-aws-7.0Upgrade linux-image-azureUpgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-azure-7.0Upgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-oracle-7.0Upgrade linux-image-raspi-7.0Upgrade linux-image-nvidia-bos-64kUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-gcpUpgrade linux-image-awsUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-7.0.0-1009-awsUpgrade linux-image-nvidia-64kUpgrade linux-image-oracle-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-nvidia-7.0Upgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-7.0.0-1011-oracleUpgrade linux-image-nvidia-bos-64k-7.0 | Jul 28, 2026 | Jul 28, 2026 |
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