CVE Vulnerability

CVE-2020-25668

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.

6.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220 Mailing List Patch
https://www.openwall.com/lists/oss-security/2020/10/30/1, Exploit Mailing List
http://www.openwall.com/lists/oss-security/2020/11/04/3 Exploit Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=1893287, Broken Link Issue Tracking
http://www.openwall.com/lists/oss-security/2020/10/30/1 Exploit Mailing List
https://www.openwall.com/lists/oss-security/2020/11/04/3, Exploit Mailing List
https://security.netapp.com/advisory/ntap-20210702-0005/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:5.9.2:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_&_hci_management_node:-:*:*:*:*:*:*:*
Information

Published : 2021-05-26 12:15

Updated : 2022-08-05 03:59

NVD link : CVE-2020-25668

Mitre link : CVE-2020-25668

Products Affected

Linux

Linux Kernel

CWE
CWE-662