The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of Linux kernel: denial of service via Iptables String Match

Synthesis of the vulnerability 

An attacker can trigger a fatal error via Iptables String Match of the Linux kernel, in order to trigger a denial of service.
Vulnerable systems: Linux.
Severity of this threat: 1/4.
Creation date: 12/01/2021.
Références of this weakness: 209823, CVE-2021-20177, VIGILANCE-VUL-34274.

Description of the vulnerability 

An attacker can trigger a fatal error via Iptables String Match of the Linux kernel, in order to trigger a denial of service.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This threat alert impacts software or systems such as Linux.

Our Vigil@nce team determined that the severity of this computer vulnerability bulletin is low.

The trust level is of type confirmed by the editor, with an origin of privileged shell.

An attacker with a expert ability can exploit this weakness note.

Solutions for this threat 

Linux kernel: patch for Iptables String Match.
A patch is indicated in information sources.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides computer security patches. The Vigil@nce vulnerability database contains several thousand vulnerabilities.