CVE-2018-1092
CVE-2018-1092
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.
CVSS 5.5 · Medium · EPSS 1.9% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
linux kernel through version 4.15
- Versions
- Linux kernel through version 4.15: Affected
No fix published
linux Debian:12
- Affected ranges
- ECOSYSTEM: < 4.15.17-1
Update to 4.15.17-1
linux Debian:13
- Affected ranges
- ECOSYSTEM: < 4.15.17-1
Update to 4.15.17-1
linux Debian:14
- Affected ranges
- ECOSYSTEM: < 4.15.17-1
Update to 4.15.17-1
linux Ubuntu:14.04:LTS
- Versions
- 3.11.0-12.19
- 3.12.0-1.3
- 3.12.0-2.5
- 3.12.0-2.7
- 3.12.0-3.8
- 3.12.0-3.9
- 3.12.0-4.10
- 3.12.0-4.12
- 3.12.0-5.13
- 3.12.0-7.15
- 3.13.0-1.16
- 3.13.0-2.17
- 3.13.0-3.18
- 3.13.0-4.19
- 3.13.0-5.20
- 3.13.0-6.23
- 3.13.0-7.25
- 3.13.0-7.26
- 3.13.0-8.27
- 3.13.0-8.28
- 3.13.0-10.30
- 3.13.0-11.31
- 3.13.0-12.32
- 3.13.0-13.33
- 3.13.0-14.34
- 3.13.0-15.35
- 3.13.0-16.36
- 3.13.0-17.37
- 3.13.0-18.38
- 3.13.0-19.39
- 3.13.0-19.40
- 3.13.0-20.42
- 3.13.0-21.43
- 3.13.0-22.44
- 3.13.0-23.45
- 3.13.0-24.46
- 3.13.0-24.47
- 3.13.0-27.50
- 3.13.0-29.53
- 3.13.0-30.54
- 3.13.0-30.55
- 3.13.0-32.57
- 3.13.0-33.58
- 3.13.0-34.60
- 3.13.0-35.62
- 3.13.0-36.63
- 3.13.0-37.64
- 3.13.0-39.66
- 3.13.0-40.69
- 3.13.0-41.70
- 3.13.0-43.72
- 3.13.0-44.73
- 3.13.0-45.74
- 3.13.0-46.75
- 3.13.0-46.76
- 3.13.0-46.77
- 3.13.0-46.79
- 3.13.0-48.80
- 3.13.0-49.81
- 3.13.0-49.83
- 3.13.0-51.84
- 3.13.0-52.85
- 3.13.0-52.86
- 3.13.0-53.88
- 3.13.0-53.89
- 3.13.0-54.91
- 3.13.0-55.92
- 3.13.0-55.94
- 3.13.0-57.95
- 3.13.0-58.97
- 3.13.0-59.98
- 3.13.0-61.100
- 3.13.0-62.102
- 3.13.0-63.103
- 3.13.0-65.105
- 3.13.0-65.106
- 3.13.0-66.108
- 3.13.0-67.110
- 3.13.0-68.111
- 3.13.0-70.113
- 3.13.0-71.114
- 3.13.0-73.116
- 3.13.0-74.118
- 3.13.0-76.120
- 3.13.0-77.121
- 3.13.0-79.123
- 3.13.0-83.127
- 3.13.0-85.129
- 3.13.0-86.130
- 3.13.0-86.131
- 3.13.0-87.133
- 3.13.0-88.135
- 3.13.0-91.138
- 3.13.0-92.139
- 3.13.0-93.140
- 3.13.0-95.142
- 3.13.0-96.143
- 3.13.0-98.145
- 3.13.0-100.147
- 3.13.0-101.148
- 3.13.0-103.150
- 3.13.0-105.152
- 3.13.0-106.153
- 3.13.0-107.154
- 3.13.0-108.155
- 3.13.0-109.156
- 3.13.0-110.157
- 3.13.0-111.158
- 3.13.0-112.159
- 3.13.0-113.160
- 3.13.0-115.162
- 3.13.0-116.163
- 3.13.0-117.164
- 3.13.0-119.166
- 3.13.0-121.170
- 3.13.0-123.172
- 3.13.0-125.174
- 3.13.0-126.175
- 3.13.0-128.177
- 3.13.0-129.178
- 3.13.0-132.181
- 3.13.0-133.182
- 3.13.0-135.184
- 3.13.0-137.186
- 3.13.0-139.188
- 3.13.0-141.190
- 3.13.0-142.191
- 3.13.0-143.192
- 3.13.0-144.193
- 3.13.0-145.194
- 3.13.0-147.196
- 3.13.0-149.199
- 3.13.0-151.201
- 3.13.0-153.203
- 3.13.0-155.205
- 3.13.0-156.206
- Affected ranges
- ECOSYSTEM: < 3.13.0-157.207
Update to 3.13.0-157.207
linux-aws Ubuntu:14.04:LTS
- 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
- Affected ranges
- ECOSYSTEM: < 4.4.0-1023.23
Update to 4.4.0-1023.23
linux-lts-xenial Ubuntu:14.04:LTS
- Versions
- 4.4.0-13.29~14.04.1
- 4.4.0-14.30~14.04.2
- 4.4.0-15.31~14.04.1
- 4.4.0-18.34~14.04.1
- 4.4.0-21.37~14.04.1
- 4.4.0-22.39~14.04.1
- 4.4.0-22.40~14.04.1
- 4.4.0-24.43~14.04.1
- 4.4.0-28.47~14.04.1
- 4.4.0-31.50~14.04.1
- 4.4.0-34.53~14.04.1
- 4.4.0-36.55~14.04.1
- 4.4.0-38.57~14.04.1
- 4.4.0-42.62~14.04.1
- 4.4.0-45.66~14.04.1
- 4.4.0-47.68~14.04.1
- 4.4.0-51.72~14.04.1
- 4.4.0-53.74~14.04.1
- 4.4.0-57.78~14.04.1
- 4.4.0-59.80~14.04.1
- 4.4.0-62.83~14.04.1
- 4.4.0-63.84~14.04.2
- 4.4.0-64.85~14.04.1
- 4.4.0-66.87~14.04.1
- 4.4.0-67.88~14.04.1
- 4.4.0-70.91~14.04.1
- 4.4.0-71.92~14.04.1
- 4.4.0-72.93~14.04.1
- 4.4.0-75.96~14.04.1
- 4.4.0-78.99~14.04.2
- 4.4.0-79.100~14.04.1
- 4.4.0-81.104~14.04.1
- 4.4.0-83.106~14.04.1
- 4.4.0-87.110~14.04.1
- 4.4.0-89.112~14.04.1
- 4.4.0-91.114~14.04.1
- 4.4.0-92.115~14.04.1
- 4.4.0-93.116~14.04.1
- 4.4.0-96.119~14.04.1
- 4.4.0-97.120~14.04.1
- 4.4.0-98.121~14.04.1
- 4.4.0-101.124~14.04.1
- 4.4.0-103.126~14.04.1
- 4.4.0-104.127~14.04.1
- 4.4.0-108.131~14.04.1
- 4.4.0-109.132~14.04.1
- 4.4.0-111.134~14.04.1
- 4.4.0-112.135~14.04.1
- 4.4.0-116.140~14.04.1
- 4.4.0-119.143~14.04.1
- 4.4.0-121.145~14.04.1
- 4.4.0-124.148~14.04.1
- 4.4.0-127.153~14.04.1
- Affected ranges
- ECOSYSTEM: < 4.4.0-128.154~14.04.1
Update to 4.4.0-128.154~14.04.1
linux Ubuntu:16.04:LTS
- Versions
- 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
- Affected ranges
- ECOSYSTEM: < 4.4.0-128.154
Update to 4.4.0-128.154
linux-aws Ubuntu:16.04:LTS
- Versions
- 4.4.0-1001.10
- 4.4.0-1003.12
- 4.4.0-1004.13
- 4.4.0-1007.16
- 4.4.0-1009.18
- 4.4.0-1011.20
- 4.4.0-1012.21
- 4.4.0-1013.22
- 4.4.0-1016.25
- 4.4.0-1017.26
- 4.4.0-1018.27
- 4.4.0-1020.29
- 4.4.0-1022.31
- 4.4.0-1026.35
- 4.4.0-1028.37
- 4.4.0-1030.39
- 4.4.0-1031.40
- 4.4.0-1032.41
- 4.4.0-1035.44
- 4.4.0-1037.46
- 4.4.0-1038.47
- 4.4.0-1039.48
- 4.4.0-1041.50
- 4.4.0-1043.52
- 4.4.0-1044.53
- 4.4.0-1047.56
- 4.4.0-1048.57
- 4.4.0-1049.58
- 4.4.0-1050.59
- 4.4.0-1052.61
- 4.4.0-1054.63
- 4.4.0-1055.64
- 4.4.0-1057.66
- 4.4.0-1060.69
- Affected ranges
- ECOSYSTEM: < 4.4.0-1061.70
Update to 4.4.0-1061.70
linux-azure Ubuntu:16.04:LTS
- Versions
- 4.11.0-1009.9
- 4.11.0-1011.11
- 4.11.0-1013.13
- 4.11.0-1014.14
- 4.11.0-1015.15
- 4.11.0-1016.16
- 4.13.0-1005.7
- 4.13.0-1006.8
- 4.13.0-1007.9
- 4.13.0-1009.12
- 4.13.0-1011.14
- 4.13.0-1012.15
- 4.13.0-1014.17
- 4.13.0-1016.19
- 4.13.0-1018.21
- Affected ranges
- ECOSYSTEM: < 4.15.0-1013.13~16.04.2
Update to 4.15.0-1013.13~16.04.2
linux-gcp Ubuntu:16.04:LTS
- Versions
- 4.10.0-1004.4
- 4.10.0-1006.6
- 4.10.0-1007.7
- 4.10.0-1008.8
- 4.10.0-1009.9
- 4.13.0-1002.5
- 4.13.0-1006.9
- 4.13.0-1007.10
- 4.13.0-1008.11
- 4.13.0-1011.15
- 4.13.0-1012.16
- 4.13.0-1013.17
- 4.13.0-1015.19
- 4.13.0-1017.21
- Affected ranges
- ECOSYSTEM: < 4.13.0-1019.23
Update to 4.13.0-1019.23
linux-hwe Ubuntu:16.04:LTS
- Versions
- 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
- Affected ranges
- ECOSYSTEM: < 4.15.0-24.26~16.04.1
Update to 4.15.0-24.26~16.04.1
linux-kvm Ubuntu:16.04:LTS
- Versions
- 4.4.0-1004.9
- 4.4.0-1007.12
- 4.4.0-1008.13
- 4.4.0-1009.14
- 4.4.0-1010.15
- 4.4.0-1012.17
- 4.4.0-1013.18
- 4.4.0-1015.20
- 4.4.0-1017.22
- 4.4.0-1019.24
- 4.4.0-1020.25
- 4.4.0-1021.26
- 4.4.0-1023.28
- 4.4.0-1026.31
- Affected ranges
- ECOSYSTEM: < 4.4.0-1027.32
Update to 4.4.0-1027.32
linux-oem Ubuntu:16.04:LTS
- Versions
- 4.13.0-1008.9
- 4.13.0-1010.11
- 4.13.0-1012.13
- 4.13.0-1015.16
- 4.13.0-1017.18
- 4.13.0-1019.20
- 4.13.0-1020.21
- 4.13.0-1021.23
- 4.13.0-1022.24
- 4.13.0-1024.27
- 4.13.0-1026.29
- 4.13.0-1028.31
- Affected ranges
- ECOSYSTEM: < 4.13.0-1030.33
Update to 4.13.0-1030.33
linux-raspi2 Ubuntu:16.04:LTS
- Versions
- 4.2.0-1013.19
- 4.2.0-1014.21
- 4.3.0-1006.6
- 4.4.0-1003.4
- 4.4.0-1004.5
- 4.4.0-1009.10
- 4.4.0-1010.12
- 4.4.0-1010.13
- 4.4.0-1012.16
- 4.4.0-1016.22
- 4.4.0-1017.23
- 4.4.0-1019.25
- 4.4.0-1021.27
- 4.4.0-1023.29
- 4.4.0-1027.33
- 4.4.0-1029.36
- 4.4.0-1034.41
- 4.4.0-1038.45
- 4.4.0-1040.47
- 4.4.0-1042.49
- 4.4.0-1044.51
- 4.4.0-1046.53
- 4.4.0-1048.55
- 4.4.0-1050.57
- 4.4.0-1051.58
- 4.4.0-1052.59
- 4.4.0-1054.61
- 4.4.0-1055.62
- 4.4.0-1057.64
- 4.4.0-1059.67
- 4.4.0-1061.69
- 4.4.0-1065.73
- 4.4.0-1067.75
- 4.4.0-1069.77
- 4.4.0-1070.78
- 4.4.0-1071.79
- 4.4.0-1074.82
- 4.4.0-1075.83
- 4.4.0-1076.84
- 4.4.0-1077.85
- 4.4.0-1079.87
- 4.4.0-1080.88
- 4.4.0-1082.90
- 4.4.0-1085.93
- 4.4.0-1086.94
- 4.4.0-1087.95
- 4.4.0-1089.97
- 4.4.0-1090.98
- Affected ranges
- ECOSYSTEM: < 4.4.0-1091.99
Update to 4.4.0-1091.99
linux-snapdragon Ubuntu:16.04:LTS
- Versions
- 4.4.0-1012.12
- 4.4.0-1013.14
- 4.4.0-1013.15
- 4.4.0-1015.18
- 4.4.0-1019.22
- 4.4.0-1020.23
- 4.4.0-1022.25
- 4.4.0-1024.27
- 4.4.0-1026.29
- 4.4.0-1030.33
- 4.4.0-1032.36
- 4.4.0-1035.39
- 4.4.0-1039.43
- 4.4.0-1042.46
- 4.4.0-1044.48
- 4.4.0-1046.50
- 4.4.0-1047.51
- 4.4.0-1048.52
- 4.4.0-1050.54
- 4.4.0-1051.55
- 4.4.0-1053.57
- 4.4.0-1054.58
- 4.4.0-1055.59
- 4.4.0-1057.61
- 4.4.0-1058.62
- 4.4.0-1059.63
- 4.4.0-1061.66
- 4.4.0-1063.68
- 4.4.0-1067.72
- 4.4.0-1069.74
- 4.4.0-1071.76
- 4.4.0-1072.77
- 4.4.0-1073.78
- 4.4.0-1076.81
- 4.4.0-1077.82
- 4.4.0-1078.83
- 4.4.0-1079.84
- 4.4.0-1081.86
- 4.4.0-1082.87
- 4.4.0-1084.89
- 4.4.0-1087.92
- 4.4.0-1088.93
- 4.4.0-1090.95
- 4.4.0-1092.97
- 4.4.0-1093.98
- Affected ranges
- ECOSYSTEM: < 4.4.0-1094.99
Update to 4.4.0-1094.99
linux-fips Ubuntu:Pro:FIPS-updates:16.04:LTS
- Versions
- 4.4.0-1003.3
- 4.4.0-1005.5
- 4.4.0-1006.6
- Affected ranges
- ECOSYSTEM: < 4.4.0-1008.10
Update to 4.4.0-1008.10
linux Ubuntu:18.04:LTS
- Versions
- 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
- Affected ranges
- ECOSYSTEM: < 4.15.0-23.25
Update to 4.15.0-23.25
linux-aws Ubuntu:18.04:LTS
- Versions
- 4.15.0-1001.1
- 4.15.0-1003.3
- 4.15.0-1005.5
- 4.15.0-1006.6
- 4.15.0-1007.7
- 4.15.0-1009.9
- Affected ranges
- ECOSYSTEM: < 4.15.0-1010.10
Update to 4.15.0-1010.10
linux-azure Ubuntu:18.04:LTS
- Versions
- 4.15.0-1002.2
- 4.15.0-1003.3
- 4.15.0-1004.4
- 4.15.0-1008.8
- 4.15.0-1009.9
- 4.15.0-1012.12
- Affected ranges
- ECOSYSTEM: < 4.15.0-1013.13
Update to 4.15.0-1013.13
linux-gcp Ubuntu:18.04:LTS
- Versions
- 4.15.0-1001.1
- 4.15.0-1003.3
- 4.15.0-1005.5
- 4.15.0-1006.6
- 4.15.0-1008.8
- Affected ranges
- ECOSYSTEM: < 4.15.0-1009.9
Update to 4.15.0-1009.9
linux-kvm Ubuntu:18.04:LTS
- Versions
- 4.15.0-1002.2
- 4.15.0-1003.3
- 4.15.0-1004.4
- 4.15.0-1006.6
- 4.15.0-1008.8
- 4.15.0-1010.10
- Affected ranges
- ECOSYSTEM: < 4.15.0-1011.11
Update to 4.15.0-1011.11
linux-oem Ubuntu:18.04:LTS
- Versions
- 4.15.0-1002.3
- 4.15.0-1004.5
- 4.15.0-1006.9
- Affected ranges
- ECOSYSTEM: < 4.15.0-1008.11
Update to 4.15.0-1008.11
linux-raspi2 Ubuntu:18.04:LTS
- Versions
- 4.13.0-1005.5
- 4.13.0-1006.6
- 4.13.0-1008.8
- 4.15.0-1006.7
- 4.15.0-1009.10
- 4.15.0-1010.11
- 4.15.0-1011.12
- Affected ranges
- ECOSYSTEM: < 4.15.0-1012.13
Update to 4.15.0-1012.13
Original sources
- https://usn.ubuntu.com/3676-1/
- https://usn.ubuntu.com/3678-2/
- https://access.redhat.com/errata/RHSA-2018:3083
- http://openwall.com/lists/oss-security/2018/03/29/1
- https://www.debian.org/security/2018/dsa-4187
- https://usn.ubuntu.com/3678-1/
- https://usn.ubuntu.com/3677-1/
- https://www.debian.org/security/2018/dsa-4188
- https://usn.ubuntu.com/3754-1/
- https://bugzilla.kernel.org/show_bug.cgi?id=199179
- https://access.redhat.com/errata/RHSA-2018:2948
- https://usn.ubuntu.com/3678-3/
- https://usn.ubuntu.com/3677-2/
- https://bugzilla.redhat.com/show_bug.cgi?id=1560777
- https://usn.ubuntu.com/3676-2/
- https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=8e4b5eae5decd9dfe5a4ee369c22028f90ab4c44
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- https://access.redhat.com/errata/RHSA-2018:3096
- https://usn.ubuntu.com/3678-4/
- https://bugzilla.kernel.org/show_bug.cgi?id=199275
- https://nvd.nist.gov/vuln/detail/CVE-2018-1092