Linux · Linux Kernel · CVE-2019-19064
**Name of the Vulnerable Software and Affected Versions**
Linux kernel versions through 5.3.11
**Description**
The issue is related to a memory leak in the `fsl lpspi probe()` function in the Linux kernel, which can cause a denial of service due to memory consumption. This can be triggered by failures in `pm runtime get sync()`. However, it is noted that third parties dispute the relevance of this issue because an attacker cannot realistically control these failures at probe time.
**Recommendations**
For Linux kernel versions through 5.3.11, consider updating to a version that fixes this issue. As a temporary workaround, restricting access to the `fsl lpspi probe()` function may help minimize the risk of exploitation. However, since the control of `pm runtime get sync()` failures is not realistic for an attacker, the practical impact of this workaround may be limited. At the moment, there is no information about a newer version that contains a fix for this vulnerability.