UBUNTU-CVE-2023-53755

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ptdma: check for null desc before calling ptcmdcallback Resolves a panic that can occur on AMD systems, typically during host shutdown, after the PTDMA driver had been exercised. The issue was the ptissuepending functi...

CVE-2023-53755

CVE-2023-53755 fixes a panic in the Linux kernel dmaengine/ptdma by adding a null descriptor check before pt_cmd_callback is invoked. Root cause: pt_issue_pending() could assume at least one descriptor exists in Submitted or Issued queues, but both queues could be empty, leading to a call with a ...

CVE-2023-53755 dmaengine: ptdma: check for null desc before calling pt_cmd_callback

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ptdma: check for null desc before calling ptcmdcallback Resolves a panic that can occur on AMD systems, typically during host shutdown, after the PTDMA driver had been exercised. The issue was the ptissuepending functi...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the fact that ptcmdcallback may be called with a null pointer, which could cause the kernel to crash...