CVE-2025-40209 | Linux Kernel up to 6.12.57/6.17.7/6.18-rc4 btrfs_add_qgroup_relation return value

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A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.12.57/6.17.7/6.18-rc4. Affected by this issue is the function btrfs_add_qgroup_relation. Executing manipulation can lead to unchecked return value.

This vulnerability is tracked as CVE-2025-40209. The attack is only possible within the local network. No exploit exists.

You should upgrade the affected component.VulDB Recent EntriesRead More