Linux · Linux Kernel · CVE-2021-47042
**Name of the Vulnerable Software and Affected Versions**
Linux kernel (affected versions not specified)
**Description**
The issue is related to a memory leak in the `dc link construct()` function, which can be exploited by a remote attacker to cause a denial of service. The vulnerability is due to the incorrect freeing of local data after use, leading to an unreferenced object. The backtrace of the issue involves several functions, including `kmem cache alloc trace()`, `link create()`, and `dc create()`. There is no information about the estimated number of potentially affected devices or real-world incidents where this issue was exploited.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.