CVE-2020-25668

HIGH

Linux Kernel < 4.4.242 - Use-After-Free in con_font_op

Title source: llm
STIX 2.1

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.

References (9)

Core 9
Core References
Exploit, Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2020/10/30/1
Exploit, Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2020/11/04/3
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210702-0005/

Scores

CVSS v3 7.0
EPSS 0.0103
EPSS Percentile 59.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-662 CWE-362
Status published
Products (15)
debian/debian_linux 9.0
linux/linux_kernel < 4.4.242
netapp/500f_firmware
netapp/a250_firmware
netapp/cloud_backup
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410c_firmware
netapp/h410s_firmware
netapp/h500e_firmware
... and 5 more
Published May 26, 2021
Tracked Since Feb 18, 2026