Kernel: use after free in nvmet_tcp_free_crypto in nvme

Summary

A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, which may permit remote code execution or lead to local privilege escalation.

Timeline

1. Nov 1, 2023, 4:32 PM UTCCVE published
2. Oct 14, 2026, 9:54 PM UTCRecord last updated

Affected versions

• kernel-rt

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• kernel

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• kpatch-patch

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• kernel

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• kernel-rt

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• kernel

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• kernel

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• kpatch-patch

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• kernel

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• kernel-rt

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• kernel

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• kernel

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• kpatch-patch

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• kpatch-patch

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• kernel

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• kpatch-patch

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• kernel

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• kernel

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• kpatch-patch

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• kernel

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• kernel-rt

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• kpatch-patch

  Version range not reported

• kernel

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• kernel-rt

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• kpatch-patch

  Version range not reported

• kernel

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• kernel

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• kernel

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• kernel-rt

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• kernel-rt

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References 24