CVE-2026-89675 | Linux Kernel up to 6.18.50/7.2.3 NFSd Async Copy nfsd4_do_async_copy refcount/nf_src/nf_dst/copy_task use after free

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A vulnerability has been found in Linux Kernel up to 6.18.50/7.2.3 and classified as very critical. This affects the function nfsd4_do_async_copy of the component NFSd Async Copy. Performing a manipulation of the argument refcount/nf_src/nf_dst/copy_task results in use after free.

This vulnerability was named CVE-2026-89675. The attack may be initiated remotely. There is no available exploit.

The affected component should be upgraded.VulDB Recent EntriesRead More