Denial of Service Vulnerability in Linux Kernel's Netfilter Subsystem (CID-175e476b8cdf)

Denial of Service Vulnerability in Linux Kernel's Netfilter Subsystem (CID-175e476b8cdf)

CVE-2021-29650 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

An issue was discovered in the Linux kernel before 5.11.11. The netfilter subsystem allows attackers to cause a denial of service (panic) because net/netfilter/x_tables.c and include/linux/netfilter/x_tables.h lack a full memory barrier upon the assignment of a new table value, aka CID-175e476b8cdf.

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