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2026年9月18日

CVE-2026-90290 – In the Linux kernel, the following vulnerability has been resolved: arm64: hibernate: Res

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In the Linux kernel, the following vulnerability has been resolved:

arm64: hibernate: Restore DAIF state on error

Sashiko AI has reported that if swsusp_mte_save_tags() for some reason
fails we return from swsusp_arch_suspend() with DAIF being masked –
that is not what we’d expect. Restore the saved DAIF state before
returning from the error path.