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linux-hwe-edge

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linux-azure-5.3

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linux-raspi-realtime

A race condition vulnerability in the Linux kernel's DPLL zl3073x driver was resolved by replacing a deferred work mechanism with a direct notification function, eliminating the risk of dereferencing freed or NULL pointers during device teardown. This flaw could cause kernel crashes or potentially be exploited for privilege escalation. The vulnerability affects numerous specific Linux kernel versions prior to 7.0.0-28.28.1 and related builds. A patch is available and should be applied via standard system updates. The update requires a system reboot and recompilation of third-party kernel modules due to an ABI change.

The Linux kernel vulnerability CVE-2026-63977 involves a race condition in the DPLL zl3073x driver where the previous use of a deferred work mechanism (change_work) to send device change notifications could be re-scheduled after cancel_work_sync() during device teardown. This could lead to the handler dereferencing a freed or NULL dpll_dev pointer, causing instability or potential privilege escalation. The fix replaces the deferred work with a direct call to the exported __dpll_device_change_ntf() function, which is safe to call when holding dpll_lock, thereby removing the race condition. This vulnerability affects many specific kernel versions prior to 7.0.0-28.28.1 and related builds. The vendor advisory from Ubuntu confirms the availability of patches and recommends updating to fixed package versions and rebooting the system.

Detailed information about Linux hwe edge: (In the Linux kernel, the following vulnerability has been resolved: d ...) affecting null linux-hwe-edge. Get real-t

Linux hwe edge: (In the Linux kernel, the following vulnerability has been resolved: d ...) - Live Threat Intelligence - Threat Radar | OffSeq.com

Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: dpll: zl3073x: use __dpll_device_change_ntf() and remove change_work The… (CVE-2026-63977)

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