CVE-2026-46280 | Linux Kernel up to 6.6.139/6.12.85/6.18.26/7.0.3 lib mm/ksft_hmm.sh dmirror_fops_release use after free

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A vulnerability was found in Linux Kernel up to 6.6.139/6.12.85/6.18.26/7.0.3. It has been declared as critical. This affects the function dmirror_fops_release of the file mm/ksft_hmm.sh of the component lib. Executing a manipulation can lead to use after free.

This vulnerability is handled as CVE-2026-46280. The attack can only be done within the local network. There is not any exploit available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More