medium4.4
CVE-2021-20177
A flaw was found in the Linux kernel's implementation of string matching within a packet.
Impact
A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user (with root or CAP_NET_ADMIN) when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | through 5.4.9 |