LSN-0082-1

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Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/LSN-0082-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/lsn/LSN-0082-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/LSN-0082-1
Upstream
Published
2021-11-11T06:14:44Z
Modified
2025-12-15T11:26:09.200409Z
Summary
Kernel Live Patch Security Notice
Details

Jann Horn discovered that the tty subsystem of the Linux kernel did not use consistent locking in some situations, leading to a read-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information (kernel memory).(CVE-2020-29660)

Jann Horn discovered a race condition in the tty subsystem of the Linux kernel in the locking for the TIOCSPGRP ioctl(), leading to a use-after- free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.(CVE-2020-29661)

De4dCr0w of 360 Alpha Lab discovered that the BPF verifier in the Linux kernel did not properly handle mod32 destination register truncation when the source register was known to be 0. A local attacker could use this to expose sensitive information (kernel memory) or possibly execute arbitrary code.(CVE-2021-3444)

kernel: use-after-free in route4change() in net/sched/clsroute.c(CVE-2021-3715)

References

Affected packages

Ubuntu:Pro:16.04:LTS

linux-hwe

Package

Name
linux-hwe
Purl
pkg:deb/ubuntu/linux-hwe@4.15.0-136.140~16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-136.140~16.04.1

Affected versions

4.*

4.8.0-36.36~16.04.1
4.8.0-39.42~16.04.1
4.8.0-41.44~16.04.1
4.8.0-42.45~16.04.1
4.8.0-44.47~16.04.1
4.8.0-45.48~16.04.1
4.8.0-46.49~16.04.1
4.8.0-49.52~16.04.1
4.8.0-51.54~16.04.1
4.8.0-52.55~16.04.1
4.8.0-53.56~16.04.1
4.8.0-54.57~16.04.1
4.8.0-56.61~16.04.1
4.8.0-58.63~16.04.1
4.10.0-27.30~16.04.2
4.10.0-28.32~16.04.2
4.10.0-30.34~16.04.1
4.10.0-32.36~16.04.1
4.10.0-33.37~16.04.1
4.10.0-35.39~16.04.1
4.10.0-37.41~16.04.1
4.10.0-38.42~16.04.1
4.10.0-40.44~16.04.1
4.10.0-42.46~16.04.1
4.13.0-26.29~16.04.2
4.13.0-31.34~16.04.1
4.13.0-32.35~16.04.1
4.13.0-36.40~16.04.1
4.13.0-37.42~16.04.1
4.13.0-38.43~16.04.1
4.13.0-39.44~16.04.1
4.13.0-41.46~16.04.1
4.13.0-43.48~16.04.1
4.13.0-45.50~16.04.1
4.15.0-24.26~16.04.1
4.15.0-29.31~16.04.1
4.15.0-30.32~16.04.1
4.15.0-32.35~16.04.1
4.15.0-33.36~16.04.1
4.15.0-34.37~16.04.1
4.15.0-36.39~16.04.1
4.15.0-38.41~16.04.1
4.15.0-39.42~16.04.1
4.15.0-42.45~16.04.1
4.15.0-43.46~16.04.1
4.15.0-45.48~16.04.1
4.15.0-46.49~16.04.1
4.15.0-47.50~16.04.1
4.15.0-48.51~16.04.1
4.15.0-50.54~16.04.1
4.15.0-51.55~16.04.1
4.15.0-52.56~16.04.1
4.15.0-54.58~16.04.1
4.15.0-55.60~16.04.2
4.15.0-58.64~16.04.1
4.15.0-60.67~16.04.1
4.15.0-62.69~16.04.1
4.15.0-64.73~16.04.1
4.15.0-65.74~16.04.1
4.15.0-66.75~16.04.1
4.15.0-69.78~16.04.1
4.15.0-70.79~16.04.1
4.15.0-72.81~16.04.1
4.15.0-74.83~16.04.1
4.15.0-76.86~16.04.1
4.15.0-88.88~16.04.1
4.15.0-91.92~16.04.1
4.15.0-96.97~16.04.1
4.15.0-99.100~16.04.1
4.15.0-101.102~16.04.1
4.15.0-106.107~16.04.1
4.15.0-107.108~16.04.1
4.15.0-112.113~16.04.1
4.15.0-115.116~16.04.1
4.15.0-117.118~16.04.1
4.15.0-118.119~16.04.1
4.15.0-120.122~16.04.1
4.15.0-122.124~16.04.1
4.15.0-123.126~16.04.1
4.15.0-126.129~16.04.1
4.15.0-128.131~16.04.1
4.15.0-129.132~16.04.1
4.15.0-132.136~16.04.1
4.15.0-133.137~16.04.1

Ecosystem specific 

{
    "module_version": "82",
    "module_name_regex": "lkp_Ubuntu_4_15_0[_|\\d]+_(?:generic|lowlatency)_(\\d+)",
    "availability": "Livepatch subscription required"
}

linux

Package

Name
linux
Purl
pkg:deb/ubuntu/linux@4.4.0-203.235?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.4.0-203.235

Affected versions

4.*

4.2.0-16.19
4.2.0-17.21
4.2.0-19.23
4.3.0-1.10
4.3.0-2.11
4.3.0-5.16
4.3.0-6.17
4.3.0-7.18
4.4.0-2.16
4.4.0-4.19
4.4.0-6.21
4.4.0-7.22
4.4.0-8.23
4.4.0-9.24
4.4.0-10.25
4.4.0-11.26
4.4.0-12.28
4.4.0-13.29
4.4.0-14.30
4.4.0-15.31
4.4.0-16.32
4.4.0-17.33
4.4.0-18.34
4.4.0-21.37
4.4.0-22.39
4.4.0-22.40
4.4.0-24.43
4.4.0-28.47
4.4.0-31.50
4.4.0-34.53
4.4.0-36.55
4.4.0-38.57
4.4.0-42.62
4.4.0-43.63
4.4.0-45.66
4.4.0-47.68
4.4.0-51.72
4.4.0-53.74
4.4.0-57.78
4.4.0-59.80
4.4.0-62.83
4.4.0-63.84
4.4.0-64.85
4.4.0-65.86
4.4.0-66.87
4.4.0-67.88
4.4.0-70.91
4.4.0-71.92
4.4.0-72.93
4.4.0-75.96
4.4.0-77.98
4.4.0-78.99
4.4.0-79.100
4.4.0-81.104
4.4.0-83.106
4.4.0-87.110
4.4.0-89.112
4.4.0-91.114
4.4.0-92.115
4.4.0-93.116
4.4.0-96.119
4.4.0-97.120
4.4.0-98.121
4.4.0-101.124
4.4.0-103.126
4.4.0-104.127
4.4.0-108.131
4.4.0-109.132
4.4.0-112.135
4.4.0-116.140
4.4.0-119.143
4.4.0-121.145
4.4.0-122.146
4.4.0-124.148
4.4.0-127.153
4.4.0-128.154
4.4.0-130.156
4.4.0-131.157
4.4.0-133.159
4.4.0-134.160
4.4.0-135.161
4.4.0-137.163
4.4.0-138.164
4.4.0-139.165
4.4.0-140.166
4.4.0-141.167
4.4.0-142.168
4.4.0-143.169
4.4.0-145.171
4.4.0-146.172
4.4.0-148.174
4.4.0-150.176
4.4.0-151.178
4.4.0-154.181
4.4.0-157.185
4.4.0-159.187
4.4.0-161.189
4.4.0-164.192
4.4.0-165.193
4.4.0-166.195
4.4.0-168.197
4.4.0-169.198
4.4.0-170.199
4.4.0-171.200
4.4.0-173.203
4.4.0-174.204
4.4.0-176.206
4.4.0-177.207
4.4.0-178.208
4.4.0-179.209
4.4.0-184.214
4.4.0-185.215
4.4.0-186.216
4.4.0-187.217
4.4.0-189.219
4.4.0-190.220
4.4.0-193.224
4.4.0-194.226
4.4.0-197.229
4.4.0-198.230
4.4.0-200.232
4.4.0-201.233

Ecosystem specific 

{
    "module_version": "82",
    "module_name_regex": "lkp_Ubuntu_4_4_0[_|\\d]+_(?:generic|lowlatency)_(\\d+)",
    "availability": "Livepatch subscription required"
}

Ubuntu:Pro:18.04:LTS

linux

Package

Name
linux
Purl
pkg:deb/ubuntu/linux@4.15.0-136.140?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-136.140

Affected versions

4.*

4.13.0-16.19
4.13.0-17.20
4.13.0-25.29
4.13.0-32.35
4.15.0-10.11
4.15.0-12.13
4.15.0-13.14
4.15.0-15.16
4.15.0-19.20
4.15.0-20.21
4.15.0-22.24
4.15.0-23.25
4.15.0-24.26
4.15.0-29.31
4.15.0-30.32
4.15.0-32.35
4.15.0-33.36
4.15.0-34.37
4.15.0-36.39
4.15.0-38.41
4.15.0-39.42
4.15.0-42.45
4.15.0-43.46
4.15.0-44.47
4.15.0-45.48
4.15.0-46.49
4.15.0-47.50
4.15.0-48.51
4.15.0-50.54
4.15.0-51.55
4.15.0-52.56
4.15.0-54.58
4.15.0-55.60
4.15.0-58.64
4.15.0-60.67
4.15.0-62.69
4.15.0-64.73
4.15.0-65.74
4.15.0-66.75
4.15.0-69.78
4.15.0-70.79
4.15.0-72.81
4.15.0-74.84
4.15.0-76.86
4.15.0-88.88
4.15.0-91.92
4.15.0-96.97
4.15.0-99.100
4.15.0-101.102
4.15.0-106.107
4.15.0-108.109
4.15.0-109.110
4.15.0-111.112
4.15.0-112.113
4.15.0-115.116
4.15.0-117.118
4.15.0-118.119
4.15.0-121.123
4.15.0-122.124
4.15.0-123.126
4.15.0-124.127
4.15.0-126.129
4.15.0-128.131
4.15.0-129.132
4.15.0-130.134
4.15.0-132.136
4.15.0-134.138
4.15.0-135.139

Ecosystem specific 

{
    "module_version": "82",
    "module_name_regex": "lkp_Ubuntu_4_15_0[_|\\d]+_(?:generic|lowlatency)_(\\d+)",
    "availability": "Livepatch subscription required"
}

linux-gke-4.15

Package

Name
linux-gke-4.15
Purl
pkg:deb/ubuntu/linux-gke-4.15@4.15.0-1079.84?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-1079.84

Affected versions

4.*

4.15.0-1030.32
4.15.0-1032.34
4.15.0-1033.35
4.15.0-1034.36
4.15.0-1036.38
4.15.0-1037.39
4.15.0-1040.42
4.15.0-1041.43
4.15.0-1042.44
4.15.0-1044.46
4.15.0-1045.48
4.15.0-1046.49
4.15.0-1048.51
4.15.0-1049.52
4.15.0-1050.53
4.15.0-1052.55
4.15.0-1055.58
4.15.0-1057.60
4.15.0-1058.61
4.15.0-1059.62
4.15.0-1063.66
4.15.0-1064.67
4.15.0-1066.69
4.15.0-1067.70
4.15.0-1069.72
4.15.0-1070.73
4.15.0-1072.76
4.15.0-1073.78
4.15.0-1074.79
4.15.0-1076.81
4.15.0-1077.82
4.15.0-1078.83

Ecosystem specific 

{
    "module_version": "82",
    "module_name_regex": "lkp_Ubuntu_4_15_0[_|\\d]+_gke_(\\d+)",
    "availability": "Livepatch subscription required"
}

linux-gke-5.4

Package

Name
linux-gke-5.4
Purl
pkg:deb/ubuntu/linux-gke-5.4@5.4.0-1039.41~18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.4.0-1039.41~18.04.1

Affected versions

5.*

5.4.0-1025.25~18.04.1
5.4.0-1027.28~18.04.1
5.4.0-1029.31~18.04.1
5.4.0-1030.32~18.04.1
5.4.0-1032.34~18.04.1
5.4.0-1033.35~18.04.1
5.4.0-1035.37~18.04.1
5.4.0-1036.38~18.04.1
5.4.0-1037.39~18.04.1

Ecosystem specific 

{
    "module_version": "82",
    "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_gke_(\\d+)",
    "availability": "Livepatch subscription required"
}

linux-gkeop-5.4

Package

Name
linux-gkeop-5.4
Purl
pkg:deb/ubuntu/linux-gkeop-5.4@5.4.0-1012.13~18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.4.0-1012.13~18.04.1

Affected versions

5.*

5.4.0-1001.1
5.4.0-1003.3
5.4.0-1004.5
5.4.0-1005.6
5.4.0-1007.8~18.04.1
5.4.0-1008.9~18.04.1
5.4.0-1009.10~18.04.1
5.4.0-1010.11~18.04.1
5.4.0-1011.12~18.04.2

Ecosystem specific 

{
    "module_version": "82",
    "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_gkeop_(\\d+)",
    "availability": "Livepatch subscription required"
}

linux-hwe-5.4

Package

Name
linux-hwe-5.4
Purl
pkg:deb/ubuntu/linux-hwe-5.4@5.4.0-70.78~18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.4.0-70.78~18.04.1

Affected versions

5.*

5.4.0-37.41~18.04.1
5.4.0-39.43~18.04.1
5.4.0-40.44~18.04.1
5.4.0-42.46~18.04.1
5.4.0-45.49~18.04.2
5.4.0-47.51~18.04.1
5.4.0-48.52~18.04.1
5.4.0-51.56~18.04.1
5.4.0-52.57~18.04.1
5.4.0-53.59~18.04.1
5.4.0-54.60~18.04.1
5.4.0-56.62~18.04.1
5.4.0-58.64~18.04.1
5.4.0-59.65~18.04.1
5.4.0-60.67~18.04.1
5.4.0-62.70~18.04.1
5.4.0-64.72~18.04.1
5.4.0-65.73~18.04.1
5.4.0-66.74~18.04.2
5.4.0-67.75~18.04.1

Ecosystem specific 

{
    "module_version": "82",
    "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_(?:generic|lowlatency)_(\\d+)",
    "availability": "Livepatch subscription required"
}

linux-oem

Package

Name
linux-oem
Purl
pkg:deb/ubuntu/linux-oem@4.15.0-1103.114?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.15.0-1002.3
4.15.0-1004.5
4.15.0-1006.9
4.15.0-1008.11
4.15.0-1009.12
4.15.0-1012.15
4.15.0-1013.16
4.15.0-1015.18
4.15.0-1017.20
4.15.0-1018.21
4.15.0-1021.24
4.15.0-1024.29
4.15.0-1026.31
4.15.0-1028.33
4.15.0-1030.35
4.15.0-1033.38
4.15.0-1034.39
4.15.0-1035.40
4.15.0-1036.41
4.15.0-1038.43
4.15.0-1039.44
4.15.0-1043.48
4.15.0-1045.50
4.15.0-1050.57
4.15.0-1056.65
4.15.0-1057.66
4.15.0-1059.68
4.15.0-1063.72
4.15.0-1064.73
4.15.0-1065.75
4.15.0-1066.76
4.15.0-1067.77
4.15.0-1069.79
4.15.0-1073.83
4.15.0-1076.86
4.15.0-1079.89
4.15.0-1080.90
4.15.0-1081.91
4.15.0-1087.97
4.15.0-1090.100
4.15.0-1091.101
4.15.0-1093.103
4.15.0-1094.104
4.15.0-1096.106
4.15.0-1097.107
4.15.0-1099.109
4.15.0-1100.110
4.15.0-1101.112
4.15.0-1102.113
4.15.0-1103.114

Ecosystem specific 

{
    "module_version": "82",
    "module_name_regex": "lkp_Ubuntu_4_15_0[_|\\d]+_oem_(\\d+)",
    "availability": "Livepatch subscription required"
}

Ubuntu:Pro:20.04:LTS

linux

Package

Name
linux
Purl
pkg:deb/ubuntu/linux@5.4.0-70.78?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.4.0-70.78

Affected versions

5.*

5.3.0-18.19
5.3.0-24.26
5.4.0-9.12
5.4.0-18.22
5.4.0-21.25
5.4.0-24.28
5.4.0-25.29
5.4.0-26.30
5.4.0-28.32
5.4.0-29.33
5.4.0-31.35
5.4.0-33.37
5.4.0-37.41
5.4.0-39.43
5.4.0-40.44
5.4.0-42.46
5.4.0-45.49
5.4.0-47.51
5.4.0-48.52
5.4.0-51.56
5.4.0-52.57
5.4.0-53.59
5.4.0-54.60
5.4.0-56.62
5.4.0-58.64
5.4.0-59.65
5.4.0-60.67
5.4.0-62.70
5.4.0-64.72
5.4.0-65.73
5.4.0-66.74
5.4.0-67.75

Ecosystem specific 

{
    "module_version": "82",
    "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_(?:generic|lowlatency)_(\\d+)",
    "availability": "Livepatch subscription required"
}

linux-gcp

Package

Name
linux-gcp
Purl
pkg:deb/ubuntu/linux-gcp@5.4.0-1040.43?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.4.0-1040.43

Affected versions

5.*

5.3.0-1004.4
5.3.0-1009.10
5.3.0-1011.12
5.4.0-1005.5
5.4.0-1007.7
5.4.0-1008.8
5.4.0-1009.9
5.4.0-1011.11
5.4.0-1015.15
5.4.0-1018.18
5.4.0-1019.19
5.4.0-1021.21
5.4.0-1022.22
5.4.0-1024.24
5.4.0-1025.25
5.4.0-1028.29
5.4.0-1029.31
5.4.0-1030.32
5.4.0-1032.34
5.4.0-1033.35
5.4.0-1034.37
5.4.0-1036.39
5.4.0-1037.40
5.4.0-1038.41

Ecosystem specific 

{
    "module_version": "82",
    "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_gcp_(\\d+)",
    "availability": "Livepatch subscription required"
}

linux-gke

Package

Name
linux-gke
Purl
pkg:deb/ubuntu/linux-gke@5.4.0-1039.41?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.4.0-1039.41

Affected versions

5.*

5.4.0-1033.35
5.4.0-1035.37
5.4.0-1036.38
5.4.0-1037.39

Ecosystem specific 

{
    "module_version": "82",
    "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_gke_(\\d+)",
    "availability": "Livepatch subscription required"
}

linux-gkeop

Package

Name
linux-gkeop
Purl
pkg:deb/ubuntu/linux-gkeop@5.4.0-1012.13?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.4.0-1012.13

Affected versions

5.*

5.4.0-1008.9
5.4.0-1009.10
5.4.0-1010.11
5.4.0-1011.12

Ecosystem specific 

{
    "module_version": "82",
    "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_gkeop_(\\d+)",
    "availability": "Livepatch subscription required"
}