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CVE-2025-38052 is a slab use-after-free read in the Linux kernel TIPC networking subsystem, in the asynchronous AEAD encryption completion handler tipc_aead_encrypt_done. During network-namespace teardown, TIPC crypto transmit state can be freed while an encryption request deferred to the cryptd worker remains pending. When the worker completes the request, the completion handler can dereference the freed crypto state. The upstream correction retains a network-namespace reference before encryption, ensuring that the associated TIPC crypto state remains valid until asynchronous encryption processing has completed.
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Listed as one of 573 vulnerabilities addressed by SUSE-SU-2026:20560-1 for kernel packages in SUSE Linux Micro Extras 6.2.
A slab use-after-free read vulnerability in the Linux kernel TIPC tipc_aead_encrypt_done function.
A slab use-after-free read vulnerability in the Linux kernel TIPC implementation, in tipc_aead_encrypt_done().
A slab use-after-free read vulnerability in the Linux kernel TIPC networking subsystem, in tipc_aead_encrypt_done().
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Cross-references every affected SKU, including bundled OEM variants.
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