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: use after free via con_font_op

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via con_font_op() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Impacted products: Linux, openSUSE Leap, SLES.
Severity of this bulletin: 2/4.
Creation date: 30/10/2020.
Références of this threat: CVE-2020-25668, openSUSE-SU-2020:1906-1, SUSE-SU-2020:3484-1, VIGILANCE-VUL-33747.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via con_font_op() of the ...
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This security vulnerability impacts software or systems such as Linux, openSUSE Leap, SLES.

Our Vigil@nce team determined that the severity of this computer weakness bulletin is medium.

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

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

Solutions for this threat 

This vulnerability fix will be public soon.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides a networks vulnerabilities patch. Each administrator can customize the list of products for which he wants to receive vulnerability alerts.