ACK: [SRU][Q][PATCH 0/1] CVE-2026-53055

[Alice C. Munduruca]

On Thu Jul 16, 2026 at 7:56 PM EDT, Cengiz Can via kernel-team wrote:
> https://ubuntu.com/security/CVE-2026-53055
>
> [ Impact ]
>
> A use-after-free vulnerability exists in the HiSilicon SEC2 crypto driver.
> During packet transmission under heavy system load, the hardware may complete
> processing a packet and free the request memory (req) before the transmission
> function finishes. If the software subsequently accesses this freed req, a use-
> after-free error occurs, which can lead to memory corruption or a system crash.
>
> [ Fix ]
>
> questing: clean cherry-pick
>
> [ Test Plan ]
>
> Boot tested.
>
> [ Where Problems Could Occur ]
>
> A regression in this fix would affect the HiSilicon SEC2 crypto accelerator
> driver, potentially causing incorrect crypto operation results, request
> handling errors, or instability on systems using this hardware for hardware-
> accelerated cryptography.

Acked-by: Alice C. Munduruca <alice.munduruca at canonical.com>