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A newly reported Linux perf filter flaw lets an unprivileged user find where the kernel is loaded on a tested x86-64 configuration.

A Linux patch series addresses how file truncation or hole punching could discard valid data beyond the range an application asked to remove.

A proposed Linux tracing patch addresses a race that could free a function probe while its return callback is still using it.

A proposed Linux patch addresses a double unlock in the SuperH architecture’s page-fault handling.

A Linux security review can find a check, a lock, or a safe-looking range and still miss the failure.