UBUNTU-CVE-2020-25668
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UBUNTU-CVE-2020-25668
Published: 2 Nov 2020Last Modified: 9 Sept 2026
Upstream:
Aliases:
Summary:
Details: 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: https://ubuntu.com/security/CVE-2020-25668, https://www.openwall.com/lists/oss-security/2020/10/30/1, https://ubuntu.com/security/notices/USN-4679-1, https://ubuntu.com/security/notices/USN-4680-1, https://ubuntu.com/security/notices/USN-4681-1, https://ubuntu.com/security/notices/USN-4751-1, https://www.cve.org/CVERecord?id=CVE-2020-25668
Affected packages
Package
Name: linux-aws
Purl: pkg:deb/ubuntu/linux-aws?arch=source&distro=trusty%2Fesm
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -4.4.0-1083.87
Affected versions
4.4.0-1002.2
4.4.0-1003.3
4.4.0-1005.5
4.4.0-1006.6
4.4.0-1009.9
4.4.0-1010.10
4.4.0-1011.11
4.4.0-1012.12
4.4.0-1014.14
4.4.0-1016.16
4.4.0-1017.17
4.4.0-1019.19
4.4.0-1022.22
4.4.0-1023.23
4.4.0-1024.25
4.4.0-1025.26
4.4.0-1027.30
4.4.0-1028.31
4.4.0-1029.32
4.4.0-1031.34
4.4.0-1032.35
4.4.0-1034.37
4.4.0-1036.39
4.4.0-1037.40
4.4.0-1038.41
4.4.0-1039.42
4.4.0-1040.43
4.4.0-1042.45
4.4.0-1044.47
4.4.0-1045.48
4.4.0-1046.50
4.4.0-1048.52
4.4.0-1050.54
4.4.0-1052.56
4.4.0-1054.58
4.4.0-1055.59
4.4.0-1056.60
4.4.0-1058.62
4.4.0-1059.63
4.4.0-1060.64
4.4.0-1061.65
4.4.0-1062.66
4.4.0-1064.68
4.4.0-1065.69
4.4.0-1066.70
4.4.0-1067.71
4.4.0-1073.77
4.4.0-1074.78
4.4.0-1075.79
4.4.0-1076.80
4.4.0-1077.81
4.4.0-1078.82
4.4.0-1081.85
4.4.0-1082.86
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
