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 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...

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 ...

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...