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.
https://security.netapp.com/advisory/ntap-20210702-0005/
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220
https://www.openwall.com/lists/oss-security/2020/11/04/3%2C
https://www.openwall.com/lists/oss-security/2020/10/30/1%2C
https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C
http://www.openwall.com/lists/oss-security/2020/11/04/3
http://www.openwall.com/lists/oss-security/2020/10/30/1
Source: Mitre, NVD
Published: 2021-05-26
Updated: 2023-11-07
Base Score: 6.9
Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C
Severity: Medium
Base Score: 7
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00061