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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2021-05-26T20:48:25

Updated: 2024-08-03T17:30:07.528Z

Reserved: 2020-12-17T00:00:00

Link: CVE-2021-20177

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-05-26T21:15:08.157

Modified: 2021-06-02T21:02:53.837

Link: CVE-2021-20177

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-10-22T14:00:00Z

Links: CVE-2021-20177 - Bugzilla