UBUNTU-CVE-2026-53331

In the Linux kernel, the following vulnerability has been resolved: slimbus: qcom-ngd-ctrl: Avoid ABBA on txlock/ctrl-lock During the SSR/PDR down notification the txlock is taken with the intent to provide synchronization with active DMA transfers. But during this period qcomslimngddown is...

CVE-2026-53331

In the Linux kernel, the following vulnerability has been resolved: slimbus: qcom-ngd-ctrl: Avoid ABBA on txlock/ctrl-lock During the SSR/PDR down notification the txlock is taken with the intent to provide synchronization with active DMA transfers. But during this period qcomslimngddown is...

CVE-2026-53331

The CVE-2026-53331 entry describes a Linux kernel slimbus issue in qcom-ngd-ctrl where tx_lock and slim_controller lock could be acquired in opposite orders, risking a deadlock during SSR/PDR down notification. The report explains that qcom_slim_ngd_down() → slim_report_absent() takes the slim_co...