Linux · Linux Kernel · CVE-2021-46913
**Name of the Vulnerable Software and Affected Versions**
Linux kernel (affected versions not specified)
**Description**
The vulnerability is related to the netfilter component of the Linux kernel, specifically with the nftables subsystem. It occurs when using connlimit in set elements, causing the memcpy() function to break. This can lead to a crash of the connlimit garbage collector when walking on the list head copy. The issue can be resolved by using the nft expr clone() function to initialize the connlimit expression list.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.