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CVE-2023-2166

Updated on 19 Apr 2023

Severity

5.5 Medium severity

Details

CVSS score
5.5
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE ID
Links
NISTCIRCLRHELUbuntu

Overview

About vulnerability

A null pointer dereference issue was found in can protocol in net/can/af_can.c in the Linux before Linux. ml_priv may not be initialized in the receive path of CAN frames. A local user could use this flaw to crash the system or potentially cause a denial of service.

Details

Affected product:
AlmaLinux 9.2 ESU , Amazon Linux 2 ELS , CentOS 6 ELS , CentOS 7 ELS , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , CloudLinux 6 ELS , CloudLinux 7 ELS , Debian 10 ELS , Oracle Linux 6 ELS , Oracle Linux 7 ELS , RHEL 7 ELS , TuxCare 9.6 ESU , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS , Ubuntu 20.04 ELS
Affected packages:
kernel @ 4.18.0 (+19 more)

Fixes

KernelCare state

Live-patch status from KernelCare for each operating system.

Operating system Status Covered kernels
AlmaLinux 8 Released
9 kernels
  • 4.18.0-477.10.1.el8_8
  • 4.18.0-477.13.1.el8_8
  • 4.18.0-477.15.1.el8_8
  • 4.18.0-477.21.1.el8_8
  • 4.18.0-477.27.1.el8_8
  • 4.18.0-477.27.2.el8_8
  • 4.18.0-513.9.1.el8_9
  • 4.18.0-513.11.1.el8_9
  • 4.18.0-513.5.1.el8_9
AlmaLinux 9 Released
16 kernels
  • 5.14.0-284.11.1.el9_2
  • 5.14.0-284.18.1.el9_2
  • 5.14.0-284.25.1.el9_2
  • 5.14.0-284.30.1.el9_2
  • 5.14.0-362.13.1.el9_3
  • 5.14.0-362.8.1.el9_3
  • 5.14.0-70.13.1.el9_0
  • 5.14.0-70.17.1.el9_0
  • 5.14.0-70.22.1.el9_0
  • 5.14.0-70.26.1.el9_0
  • 5.14.0-70.30.1.el9_0
  • 5.14.0-162.12.1.el9_1
  • 5.14.0-162.18.1.el9_1
  • 5.14.0-162.22.2.el9_1
  • 5.14.0-162.23.1.el9_1
  • 5.14.0-162.6.1.el9_1
Amazon Linux 2 5.10 Will Not Fix —
Amazon Linux 2 5.4 Will Not Fix —
CloudLinux OS 7h Released
13 kernels
  • 4.18.0-513.11.1.lve.1.el7h
  • 4.18.0-477.10.1.lve.1.el7h
  • 4.18.0-477.13.1.lve.1.el7h
  • 4.18.0-477.13.1.lve.el7h
  • 4.18.0-477.15.1.lve.1.el7h
  • 4.18.0-477.15.1.lve.2.el7h
  • 4.18.0-477.21.1.lve.1.el7h
  • 4.18.0-477.21.1.lve.el7h
  • 4.18.0-477.27.1.lve.el7h
  • 4.18.0-477.27.2.lve.el7h
  • 4.18.0-513.11.1.lve.el7h
  • 4.18.0-513.5.1.lve.el7h
  • 4.18.0-513.9.1.lve.el7h
CloudLinux OS 8 Released
11 kernels
  • 4.18.0-477.10.1.lve.el8
  • 4.18.0-477.13.1.lve.1.el8
  • 4.18.0-477.13.1.lve.el8
  • 4.18.0-477.15.1.lve.2.el8
  • 4.18.0-477.21.1.lve.1.el8
  • 4.18.0-477.21.1.lve.el8
  • 4.18.0-477.27.1.lve.el8
  • 4.18.0-477.27.2.lve.el8
  • 4.18.0-513.11.1.lve.el8
  • 4.18.0-513.5.1.lve.el8
  • 4.18.0-513.9.1.lve.el8
Debian 11 Will Not Fix —
Oracle Linux 8 Released
9 kernels
  • 4.18.0-477.10.1.el8_8
  • 4.18.0-477.13.1.el8_8
  • 4.18.0-477.15.1.el8_8
  • 4.18.0-477.21.1.el8_8
  • 4.18.0-477.27.0.1.el8_8
  • 4.18.0-477.27.1.el8_8
  • 4.18.0-513.11.0.1.el8_9
  • 4.18.0-513.5.1.el8_9
  • 4.18.0-513.9.1.el8_9
Oracle Linux 9 Released
19 kernels
  • 5.14.0-362.13.0.1.el9_3
  • 5.14.0-162.22.2.el9_1
  • 5.14.0-162.23.1.el9_1
  • 5.14.0-162.6.1.el9_1
  • 5.14.0-284.11.1.el9_2
  • 5.14.0-284.18.1.el9_2
  • 5.14.0-284.25.1.0.1.el9_2
  • 5.14.0-284.25.1.el9_2
  • 5.14.0-284.30.0.1.el9_2
  • 5.14.0-284.30.1.el9_2
  • 5.14.0-70.13.1.0.3.el9_0
  • 5.14.0-70.17.1.0.1.el9_0
  • 5.14.0-70.22.1.0.1.el9_0
  • 5.14.0-70.26.1.0.1.el9_0
  • 5.14.0-162.12.1.el9_1
  • 5.14.0-162.18.1.el9_1
  • 5.14.0-362.13.1.el9_3
  • 5.14.0-362.8.1.el9_3
  • 5.14.0-70.30.1.0.1.el9_0
Proxmox VE 6 Released
21 kernels
  • 5.4.114-1-pve_5.4.114-1
  • 5.4.119-1-pve_5.4.119-1
  • 5.4.124-1-pve_5.4.124-1
  • 5.4.124-1-pve_5.4.124-2
  • 5.4.128-1-pve-5.4.128-2
  • 5.4.128-1-pve_5.4.128-1
  • 5.4.140-1-pve_5.4.140-1
  • 5.4.143-1-pve_5.4.143-1
  • 5.4.148-1-pve-5.4.148-1
  • 5.4.151-1-pve-5.4.151-1
  • 5.4.157-1-pve-5.4.157-1
  • 5.4.162-1-pve-5.4.162-1
  • 5.4.162-1-pve-5.4.162-2
  • 5.4.166-1-pve-5.4.166-1
  • 5.4.174-1-pve-5.4.174-1
  • 5.4.174-2-pve-5.4.174-2
  • 5.4.178-1-pve-5.4.178-1
  • 5.4.189-1-pve-5.4.189-1
  • 5.4.189-2-pve-5.4.189-2
  • 5.4.195-1-pve-5.4.195-1
  • 5.4.203-1-pve-5.4.203-1
RHEL 8 Released
8 kernels
  • 4.18.0-477.10.1.el8_8
  • 4.18.0-477.13.1.el8_8
  • 4.18.0-477.15.1.el8_8
  • 4.18.0-477.21.1.el8_8
  • 4.18.0-477.27.1.el8_8
  • 4.18.0-513.11.1.el8_9
  • 4.18.0-513.5.1.el8_9
  • 4.18.0-513.9.1.el8_9
RHEL8 EUS 8.6 Ready For Release —
RHEL 9 Released
17 kernels
  • 5.14.0-70.13.1.el9_0
  • 5.14.0-162.12.1.el9_1
  • 5.14.0-162.18.1.el9_1
  • 5.14.0-162.22.2.el9_1
  • 5.14.0-162.23.1.el9_1
  • 5.14.0-162.6.1.el9_1
  • 5.14.0-284.11.1.el9_2
  • 5.14.0-284.18.1.el9_2
  • 5.14.0-284.25.1.el9_2
  • 5.14.0-284.30.1.el9_2
  • 5.14.0-362.13.1.el9_3
  • 5.14.0-362.8.1.el9_3
  • 5.14.0-70.17.1.el9_0
  • 5.14.0-70.22.1.el9_0
  • 5.14.0-70.26.1.el9_0
  • 5.14.0-70.30.1.el9_0
  • 5.14.0-70.5.1.el9_0
RHEL9 EUS 9.0 Planned —
Rocky Linux 8 Released
9 kernels
  • 4.18.0-477.10.1.el8_8
  • 4.18.0-477.13.1.el8_8
  • 4.18.0-477.15.1.el8_8
  • 4.18.0-477.21.1.el8_8
  • 4.18.0-477.27.1.el8_8
  • 4.18.0-513.11.1.el8_9.0.1
  • 4.18.0-513.11.1.el8_9
  • 4.18.0-513.5.1.el8_9
  • 4.18.0-513.9.1.el8_9
Rocky Linux 9 Released
14 kernels
  • 5.14.0-162.12.1.el9_1.0.1
  • 5.14.0-162.12.1.el9_1.0.2
  • 5.14.0-162.18.1.el9_1
  • 5.14.0-162.22.2.el9_1
  • 5.14.0-162.23.1.el9_1
  • 5.14.0-162.6.1.el9_1.0.1
  • 5.14.0-162.6.1.el9_1
  • 5.14.0-362.13.1.el9_3
  • 5.14.0-362.8.1.el9_3
  • 5.14.0-70.22.1.el9_0
  • 5.14.0-70.26.1.el9_0
  • 5.14.0-70.30.1.el9_0
  • 5.14.0-284.30.1.el9_2
  • 5.14.0-284.11.1.el9_2
Ubuntu 18.04 AWS Focal Released
33 kernels
  • 5.4.0-1081.88~18.04.1
  • 5.4.0-1049.51~18.04.1
  • 5.4.0-1051.53~18.04.1
  • 5.4.0-1054.57~18.04.1
  • 5.4.0-1055.58~18.04.1
  • 5.4.0-1056.59~18.04.1
  • 5.4.0-1057.60~18.04.1
  • 5.4.0-1058.61~18.04.3
  • 5.4.0-1059.62~18.04.1
  • 5.4.0-1060.63~18.04.1
  • 5.4.0-1063.66~18.04.1
  • 5.4.0-1064.67~18.04.1
  • 5.4.0-1065.68~18.04.1
  • 5.4.0-1066.69~18.04.1
  • 5.4.0-1068.72~18.04.1
  • 5.4.0-1069.73~18.04.1
  • 5.4.0-1071.76~18.04.1
  • 5.4.0-1072.77~18.04.1
  • 5.4.0-1073.78~18.04.1
  • 5.4.0-1075.80~18.04.1
  • 5.4.0-1078.84~18.04.1
  • 5.4.0-1080.87~18.04.1
  • 5.4.0-1083.90~18.04.1
  • 5.4.0-1084.91~18.04.1
  • 5.4.0-1086.93~18.04.1
  • 5.4.0-1088.96~18.04.1
  • 5.4.0-1089.97~18.04.1
  • 5.4.0-1092.100~18.04.2
  • 5.4.0-1093.102~18.04.2
  • 5.4.0-1094.102~18.04.1
  • 5.4.0-1096.104~18.04.1
  • 5.4.0-1085.92~18.04.1
  • 5.4.0-1061.64~18.04.1
Ubuntu 18.04 Azure Focal Released
33 kernels
  • 5.4.0-1059.62~18.04.1
  • 5.4.0-1048.50~18.04.1
  • 5.4.0-1049.51~18.04.1
  • 5.4.0-1051.53~18.04.1
  • 5.4.0-1055.57~18.04.1
  • 5.4.0-1056.58~18.04.1
  • 5.4.0-1058.60~18.04.1
  • 5.4.0-1061.64~18.04.1
  • 5.4.0-1062.65~18.04.1
  • 5.4.0-1063.66~18.04.1
  • 5.4.0-1064.67~18.04.1
  • 5.4.0-1065.68~18.04.1
  • 5.4.0-1067.70~18.04.1
  • 5.4.0-1068.71~18.04.1
  • 5.4.0-1069.72~18.04.1
  • 5.4.0-1070.73~18.04.1
  • 5.4.0-1073.76~18.04.1
  • 5.4.0-1074.77~18.04.1
  • 5.4.0-1077.80~18.04.1
  • 5.4.0-1078.81~18.04.1
  • 5.4.0-1080.83~18.04.2
  • 5.4.0-1083.87~18.04.1
  • 5.4.0-1085.90~18.04.1
  • 5.4.0-1086.91~18.04.1
  • 5.4.0-1089.94~18.04.1
  • 5.4.0-1090.95~18.04.1
  • 5.4.0-1091.96~18.04.1
  • 5.4.0-1094.100~18.04.1
  • 5.4.0-1098.104~18.04.2
  • 5.4.0-1100.106~18.04.1
  • 5.4.0-1101.107~18.04.1
  • 5.4.0-1103.109~18.04.1
  • 5.4.0-1072.75~18.04.1
Ubuntu 18.04 HWE Focal Released
37 kernels
  • 5.4.0-100.113~18.04.1
  • 5.4.0-104.118~18.04.1
  • 5.4.0-105.119~18.04.1
  • 5.4.0-107.121~18.04.1
  • 5.4.0-109.123~18.04.1
  • 5.4.0-110.124~18.04.1
  • 5.4.0-113.127~18.04.1
  • 5.4.0-117.132~18.04.1
  • 5.4.0-120.136~18.04.1
  • 5.4.0-121.137~18.04.1
  • 5.4.0-122.138~18.04.1
  • 5.4.0-124.140~18.04.1
  • 5.4.0-125.141~18.04.1
  • 5.4.0-126.142~18.04.1
  • 5.4.0-128.144~18.04.1
  • 5.4.0-131.147~18.04.1
  • 5.4.0-132.148~18.04.1
  • 5.4.0-133.149~18.04.1
  • 5.4.0-135.152~18.04.2
  • 5.4.0-136.153~18.04.1
  • 5.4.0-137.154~18.04.1
  • 5.4.0-139.156~18.04.1
  • 5.4.0-74.83~18.04.1
  • 5.4.0-77.86~18.04.1
  • 5.4.0-87.98~18.04.1
  • 5.4.0-89.100~18.04.1
  • 5.4.0-90.101~18.04.1
  • 5.4.0-91.102~18.04.1
  • 5.4.0-92.103~18.04.2
  • 5.4.0-96.109~18.04.1
  • 5.4.0-97.110~18.04.1
  • 5.4.0-99.112~18.04.1
  • 5.4.0-94.106~18.04.1
  • 5.4.0-80.90~18.04.1
  • 5.4.0-81.91~18.04.1
  • 5.4.0-84.94~18.04.1
  • 5.4.0-86.97~18.04.1
Ubuntu 18.04 HWE GCP Released
1 kernel
  • 5.4.0-1068.72~18.04.1
Ubuntu 20.04 Released
39 kernels
  • 5.4.0-74.83
  • 5.4.0-77.86
  • 5.4.0-80.90
  • 5.4.0-81.91
  • 5.4.0-84.94
  • 5.4.0-86.97
  • 5.4.0-88.99
  • 5.4.0-89.100
  • 5.4.0-90.101
  • 5.4.0-91.102
  • 5.4.0-92.103
  • 5.4.0-94.106
  • 5.4.0-100.113
  • 5.4.0-104.118
  • 5.4.0-105.119
  • 5.4.0-107.121
  • 5.4.0-109.123
  • 5.4.0-110.124
  • 5.4.0-112.126
  • 5.4.0-113.127
  • 5.4.0-117.132
  • 5.4.0-120.136
  • 5.4.0-121.137
  • 5.4.0-122.138
  • 5.4.0-123.139
  • 5.4.0-124.140
  • 5.4.0-125.141
  • 5.4.0-126.142
  • 5.4.0-128.144
  • 5.4.0-131.147
  • 5.4.0-132.148
  • 5.4.0-133.149
  • 5.4.0-135.152
  • 5.4.0-136.153
  • 5.4.0-137.154
  • 5.4.0-139.156
  • 5.4.0-96.109
  • 5.4.0-97.110
  • 5.4.0-99.112
Ubuntu 20.04 AWS Released
34 kernels
  • 5.4.0-1049.51
  • 5.4.0-1051.53
  • 5.4.0-1054.57
  • 5.4.0-1055.58
  • 5.4.0-1056.59
  • 5.4.0-1057.60
  • 5.4.0-1058.61
  • 5.4.0-1059.62
  • 5.4.0-1060.63
  • 5.4.0-1061.64
  • 5.4.0-1063.66
  • 5.4.0-1064.67
  • 5.4.0-1065.68
  • 5.4.0-1066.69
  • 5.4.0-1068.72
  • 5.4.0-1069.73
  • 5.4.0-1071.76
  • 5.4.0-1072.77
  • 5.4.0-1073.78
  • 5.4.0-1074.79
  • 5.4.0-1075.80
  • 5.4.0-1078.84
  • 5.4.0-1080.87
  • 5.4.0-1081.88
  • 5.4.0-1083.90
  • 5.4.0-1084.91
  • 5.4.0-1085.92
  • 5.4.0-1086.93
  • 5.4.0-1088.96
  • 5.4.0-1089.97
  • 5.4.0-1092.100
  • 5.4.0-1093.101
  • 5.4.0-1094.102
  • 5.4.0-1096.104
Ubuntu 20.04 Azure Released
33 kernels
  • 5.4.0-1048.50
  • 5.4.0-1049.51
  • 5.4.0-1051.53
  • 5.4.0-1055.57
  • 5.4.0-1056.58
  • 5.4.0-1058.60
  • 5.4.0-1059.62
  • 5.4.0-1061.64
  • 5.4.0-1062.65
  • 5.4.0-1063.66
  • 5.4.0-1064.67
  • 5.4.0-1065.68
  • 5.4.0-1067.70
  • 5.4.0-1068.71
  • 5.4.0-1069.72
  • 5.4.0-1070.73
  • 5.4.0-1072.75
  • 5.4.0-1073.76
  • 5.4.0-1074.77
  • 5.4.0-1077.80
  • 5.4.0-1078.81
  • 5.4.0-1080.83
  • 5.4.0-1083.87
  • 5.4.0-1085.90
  • 5.4.0-1086.91
  • 5.4.0-1089.94
  • 5.4.0-1090.95
  • 5.4.0-1091.96
  • 5.4.0-1094.100
  • 5.4.0-1098.104
  • 5.4.0-1100.106
  • 5.4.0-1101.107
  • 5.4.0-1103.109
Ubuntu 20.04 GCP Released
3 kernels
  • 5.4.0-1068.72
  • 5.4.0-1049.53
  • 5.4.0-1069.73
Ubuntu 22.04 Will Not Fix —
Ubuntu 22.04 AWS Will Not Fix —
Ubuntu 22.04 Azure Will Not Fix —