{"id":"CVE-2023-52646","state":"PUBLISHED","title":"aio: fix mremap after fork null-deref","description":"In the Linux kernel, the following vulnerability has been resolved:\n\naio: fix mremap after fork null-deref\n\nCommit e4a0d3e720e7 (\"aio: Make it possible to remap aio ring\") introduced\na null-deref if mremap is called on an old aio mapping after fork as\nmm->ioctx_table will be set to NULL.\n\n[jmoyer@redhat.com: fix 80 column issue]","publishedAt":"2024-04-26T12:19:32.167Z","updatedAt":"2026-05-11T19:30:59.571Z","severity":null,"assigner":"Linux","products":["Linux 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