UBUNTU-CVE-2021-20177
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.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
6 explicit affected versions
20 explicit affected versions
23 explicit affected versions
1 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
1 explicit affected versions
22 explicit affected versions
30 explicit affected versions
21 explicit affected versions
10 explicit affected versions
7 explicit affected versions
1 explicit affected versions
13 explicit affected versions
24 explicit affected versions
10 explicit affected versions
11 explicit affected versions
22 explicit affected versions
18 explicit affected versions
1 explicit affected versions
2 explicit affected versions
12 explicit affected versions
1 explicit affected versions
12 explicit affected versions
1 explicit affected versions
11 explicit affected versions
44 explicit affected versions
16 explicit affected versions
7 explicit affected versions
38 explicit affected versions
9 explicit affected versions
12 explicit affected versions
11 explicit affected versions
43 explicit affected versions
1 explicit affected versions
12 explicit affected versions
15 explicit affected versions
4 explicit affected versions
2 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES