Threats Tagged 'ubuntu-cve-2026-68087'
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Threats Tagged 'ubuntu-cve-2026-68087'
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In the Linux kernel, the following vulnerability has been resolved: HID: wacom: use GFP_ATOMIC in wacom_wac_queue_flush() wacom_wac_queue_flush() is called via the .raw_event callback (wacom_raw_event → wacom_wac_pen_serial_enforce → wacom_wac_queue_flush). For USB HID devices, this callback is invoked from hid_irq_in(), which is a URB completion handler running in atomic context. Using GFP_KERNEL in this path can sleep, leading to a "scheduling while atomic" bug. Use GFP_ATOMIC instead. The existing code already handles allocation failure by skipping the fifo entry and continuing. Join the discussion | GCVE Database | 08/10/2026, 12:17:00 UTC Added: 08/10/2026, 15:39:48 UTC |
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