An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns leak, which can be used by remote clients.
https://security.netapp.com/advisory/ntap-20220715-0001/
https://lore.kernel.org/all/20200602080425.93712-1-kerneljasonxing%40gmail.com/
https://github.com/torvalds/linux/commit/0a70f118475e037732557796accd0878a00fc25a
https://gitee.com/anolis/cloud-kernel/commit/bed537da691b
https://bugzilla.openanolis.cn/show_bug.cgi?id=61