UBUNTU-CVE-2020-27784
Dashboard / Vulnerabilities / UBUNTU-CVE-2020-27784
Summary:
Details: A vulnerability was found in the Linux kernel, where accessing a deallocated instance in printer_ioctl() printer_ioctl() tries to access of a printer_dev instance. However, use-after-free arises because it had been freed by gprinter_free().
References: https://ubuntu.com/security/CVE-2020-27784, https://git.kernel.org/linus/e8d5f92b8d30bb4ade76494490c3c065e12411b1, https://www.cve.org/CVERecord?id=CVE-2020-27784
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 -4.4.0-1082.86
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
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
