UBUNTU-CVE-2020-36557
Dashboard / Vulnerabilities / UBUNTU-CVE-2020-36557
Summary:
Details: A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free.
References: https://ubuntu.com/security/CVE-2020-36557, https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.2, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca4463bf8438b403596edd0ec961ca0d4fbe0220, https://www.cve.org/CVERecord?id=CVE-2020-36557
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 -4.4.0-1067.71
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
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
