CVE-2020-25668

kernel: race condition in fg_console can lead to use-after-free in con_font_op

Published May 26, 2021 CVSS 3.1 · 7.0 High EPSS 1.0% KEV · Not listed
Description
A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2483-1 linux-4.19 security update
Debian DLA Debian DLA DLA-2494-1 linux security update
EUVD EUVD EUVD-2020-18330 A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.
Ubuntu USN Ubuntu USN USN-4679-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4680-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4681-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4751-1 Linux kernel vulnerabilities
History

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