CVE-2023-53013
ptdma: pt_core_execute_cmd() should use spinlock
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ptdma: pt_core_execute_cmd() should use spinlock
In the Linux kernel, the following vulnerability has been resolved: ptdma: pt_core_execute_cmd() should use spinlock The interrupt handler (pt_core_irq_handler()) of the ptdma driver can be called from interrupt context. The code flow in this function can lead down to pt_core_execute_cmd() which will attempt to grab a mutex, which is not appropriate in interrupt context and ultimately leads to a kernel panic. The fix here changes this mutex to a spinlock, which has been verified to resolve the issue.
Reserved 2025-03-27 | Published 2025-03-27 | Updated 2025-05-04 | Assigner Linuxgit.kernel.org/...c/ed0d8f731e0bf1bb12a7a37698ac613db20e2794
git.kernel.org/...c/13ba563c2c8055ba8a637c9f70bb833b43cb4207
git.kernel.org/...c/95e5fda3b5f9ed8239b145da3fa01e641cf5d53c
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