CVE-2023-31085: Divide by Zero

Published Apr 24, 2023
·
Updated

An issue was discovered in drivers/mtd/ubi/cdev.c in the Linux kernel 6.2. There is a divide-by-zero error in dodiv(sz,mtd->erasesize), used indirectly by ctrlcdevioctl, when mtd->erasesize is 0.

Affected Software

159 affected componentsFixes available
Linux Linux kernel=6.2
debian/linux<=5.10.223-1, <=5.10.234-1, <=6.1.129-1, <=6.1.135-1, <=6.12.25-1, <=6.12.27-1
ubuntu/linux-aws<4.4.0-1125.131
4.4.0-1125.131
ubuntu/linux-azure<4.15.0-1172.187~14.04.1
4.15.0-1172.187~14.04.1
ubuntu/linux-lts-xenial<4.4.0-248.282~14.04.1
4.4.0-248.282~14.04.1
ubuntu/linux*
ubuntu/linux<4.4.0-248.282
4.4.0-248.282
ubuntu/linux-aws<4.4.0-1163.178
4.4.0-1163.178
ubuntu/linux-aws-hwe<4.15.0-1163.176~16.04.1
4.15.0-1163.176~16.04.1
ubuntu/linux-azure<4.15.0-1172.187~16.04.1
4.15.0-1172.187~16.04.1
ubuntu/linux-gcp<4.15.0-1157.174~16.04.1
4.15.0-1157.174~16.04.1
ubuntu/linux-hwe<4.15.0-220.231~16.04.1
4.15.0-220.231~16.04.1
ubuntu/linux-kvm<4.4.0-1126.136
4.4.0-1126.136
ubuntu/linux-oracle<4.15.0-1126.137~16.04.1
4.15.0-1126.137~16.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1095.102
4.4.0-1095.102
ubuntu/linux-fips*
ubuntu/linux<4.15.0-220.231
4.15.0-220.231
ubuntu/linux-aws<4.15.0-1163.176
4.15.0-1163.176
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-aws-5.4<5.4.0-1114.124~18.04.1
5.4.0-1114.124~18.04.1
ubuntu/linux-azure*
ubuntu/linux-azure-4.15<4.15.0-1172.187
4.15.0-1172.187
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-5.4<5.4.0-1120.127~18.04.1
5.4.0-1120.127~18.04.1
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-4.15<4.15.0-1157.174
4.15.0-1157.174
ubuntu/linux-gcp-5.3*
ubuntu/linux-gcp-5.4<5.4.0-1118.127~18.04.1
5.4.0-1118.127~18.04.1
ubuntu/linux-gke-4.15*
ubuntu/linux-gke-5.4*
ubuntu/linux-gkeop-5.4*
ubuntu/linux-hwe*
ubuntu/linux-hwe-5.4<5.4.0-167.184~18.04.1
5.4.0-167.184~18.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-ibm-5.4<5.4.0-1061.66~18.04.1
5.4.0-1061.66~18.04.1
ubuntu/linux-kvm<4.15.0-1147.152
4.15.0-1147.152
ubuntu/linux-oem*
ubuntu/linux-oracle<4.15.0-1126.137
4.15.0-1126.137
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-oracle-5.4<5.4.0-1113.122~18.04.1
5.4.0-1113.122~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1098.110~18.04.2
5.4.0-1098.110~18.04.2
ubuntu/linux-aws-fips<4.15.0-2102.108
4.15.0-2102.108
ubuntu/linux-azure-fips<4.15.0-2081.87
4.15.0-2081.87
ubuntu/linux-fips<4.15.0-1118.129
4.15.0-1118.129
ubuntu/linux-gcp-fips<4.15.0-2065.70
4.15.0-2065.70
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.4.0-167.184
5.4.0-167.184
ubuntu/linux-aws<5.4.0-1114.124
5.4.0-1114.124
ubuntu/linux-aws-5.15<5.15.0-1050.55~20.04.1
5.15.0-1050.55~20.04.1
ubuntu/linux-azure<5.4.0-1120.127
5.4.0-1120.127
ubuntu/linux-azure-5.15<5.15.0-1052.60~20.04.1
5.15.0-1052.60~20.04.1
ubuntu/linux-bluefield<5.4.0-1075.81
5.4.0-1075.81
ubuntu/linux-gcp<5.4.0-1118.127
5.4.0-1118.127
ubuntu/linux-gcp-5.15<5.15.0-1047.55~20.04.1
5.15.0-1047.55~20.04.1
ubuntu/linux-gkeop<5.4.0-1081.85
5.4.0-1081.85
ubuntu/linux-gkeop-5.15<5.15.0-1033.39~20.04.1
5.15.0-1033.39~20.04.1
ubuntu/linux-hwe-5.15<5.15.0-89.99~20.04.1
5.15.0-89.99~20.04.1
ubuntu/linux-ibm<5.4.0-1061.66
5.4.0-1061.66
ubuntu/linux-ibm-5.15<5.15.0-1043.46~20.04.1
5.15.0-1043.46~20.04.1
ubuntu/linux-intel-iotg-5.15<5.15.0-1045.51~20.04.1
5.15.0-1045.51~20.04.1
ubuntu/linux-iot<5.4.0-1026.27
5.4.0-1026.27
ubuntu/linux-kvm<5.4.0-1103.110
5.4.0-1103.110
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-89.99~20.04.1
5.15.0-89.99~20.04.1
ubuntu/linux-nvidia-tegra-5.15<5.15.0-1020.20~20.04.1
5.15.0-1020.20~20.04.1
ubuntu/linux-oracle<5.4.0-1113.122
5.4.0-1113.122
ubuntu/linux-oracle-5.15<5.15.0-1048.54~20.04.1
5.15.0-1048.54~20.04.1
ubuntu/linux-raspi<5.4.0-1098.110
5.4.0-1098.110
ubuntu/linux-riscv-5.15<5.15.0-1046.50~20.04.1
5.15.0-1046.50~20.04.1
ubuntu/linux-xilinx-zynqmp<5.4.0-1034.38
5.4.0-1034.38
ubuntu/linux-aws-5.11*
ubuntu/linux-aws-5.13*
ubuntu/linux-aws-5.8*
ubuntu/linux-azure-5.11*
ubuntu/linux-azure-5.13*
ubuntu/linux-azure-5.8*
ubuntu/linux-azure-fde*
ubuntu/linux-gcp-5.11*
ubuntu/linux-gcp-5.13*
ubuntu/linux-gcp-5.8*
ubuntu/linux-gke*
ubuntu/linux-gke-5.15*
ubuntu/linux-hwe-5.11*
ubuntu/linux-hwe-5.13*
ubuntu/linux-hwe-5.8*
ubuntu/linux-intel-5.13*
ubuntu/linux-oem-5.10*
ubuntu/linux-oem-5.13*
ubuntu/linux-oem-5.6*
ubuntu/linux-oracle-5.11*
ubuntu/linux-oracle-5.13*
ubuntu/linux-oracle-5.8*
ubuntu/linux-raspi2*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.11*
ubuntu/linux-riscv-5.8*
ubuntu/linux-aws-fips<5.4.0-1114.124+fips1
5.4.0-1114.124+fips1
ubuntu/linux-azure-fips<5.4.0-1121.128+fips1
5.4.0-1121.128+fips1
ubuntu/linux-fips<5.4.0-1089.98
5.4.0-1089.98
ubuntu/linux-gcp-fips<5.4.0-1118.127+fips1
5.4.0-1118.127+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.15.0-89.99
5.15.0-89.99
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws<5.15.0-1050.55
5.15.0-1050.55
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2<6.2.0-1016.16~22.04.1
6.2.0-1016.16~22.04.1
ubuntu/linux-aws-6.5*
ubuntu/linux-azure<5.15.0-1052.60
5.15.0-1052.60
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2<6.2.0-1017.17~22.04.1
6.2.0-1017.17~22.04.1
ubuntu/linux-azure-6.5*
ubuntu/linux-azure-fde<5.15.0-1052.60.1
5.15.0-1052.60.1
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2<6.2.0-1017.17~22.04.1.1
6.2.0-1017.17~22.04.1.1
ubuntu/linux-gcp<5.15.0-1047.55
5.15.0-1047.55
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2<6.2.0-1019.21~22.04.1
6.2.0-1019.21~22.04.1
ubuntu/linux-gke<5.15.0-1047.52
5.15.0-1047.52
ubuntu/linux-gkeop<5.15.0-1033.39
5.15.0-1033.39
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2<6.2.0-37.38~22.04.1
6.2.0-37.38~22.04.1
ubuntu/linux-ibm<5.15.0-1043.46
5.15.0-1043.46
ubuntu/linux-intel-iotg<5.15.0-1045.51
5.15.0-1045.51
ubuntu/linux-kvm<5.15.0-1047.52
5.15.0-1047.52
ubuntu/linux-lowlatency<5.15.0-89.99
5.15.0-89.99
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2<6.2.0-1017.17~22.04.1
6.2.0-1017.17~22.04.1
ubuntu/linux-nvidia<5.15.0-1041.41
5.15.0-1041.41
ubuntu/linux-nvidia-6.2<6.2.0-1012.12
6.2.0-1012.12
ubuntu/linux-nvidia-6.5<6.5.0-1007.7
6.5.0-1007.7
ubuntu/linux-nvidia-tegra<5.15.0-1020.20
5.15.0-1020.20
ubuntu/linux-nvidia-tegra-igx<5.15.0-1007.7
5.15.0-1007.7
ubuntu/linux-oem-5.17*
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1<6.1.0-1025.25
6.1.0-1025.25
ubuntu/linux-oem-6.5<6.5.0-1008.8
6.5.0-1008.8
ubuntu/linux-oracle<5.15.0-1048.54
5.15.0-1048.54
ubuntu/linux-raspi<5.15.0-1043.46
5.15.0-1043.46
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.19*
ubuntu/linux-starfive-5.19*
ubuntu/linux-starfive-6.2<6.2.0-1009.10~22.04.1
6.2.0-1009.10~22.04.1
ubuntu/linux-xilinx-zynqmp<5.15.0-1027.31
5.15.0-1027.31
ubuntu/linux-bluefield<5.15.0-1032.34
5.15.0-1032.34
ubuntu/linux-intel-iot-realtime<5.15.0-1043.45
5.15.0-1043.45
ubuntu/linux-realtime<5.15.0-1051.57
5.15.0-1051.57
ubuntu/linux-fips*
ubuntu/linux-raspi-realtime*
ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.4.0-1125.131
  2. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 4.15.0-1172.187~14.04.1
  3. Upgrade

    Upgrade ubuntu/linux-lts-xenial to a version that resolves this vulnerability.

    Fixed in 4.4.0-248.282~14.04.1
  4. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 4.4.0-248.282
  5. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.4.0-1163.178
  6. Upgrade

    Upgrade ubuntu/linux-aws-hwe to a version that resolves this vulnerability.

    Fixed in 4.15.0-1163.176~16.04.1
  7. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 4.15.0-1172.187~16.04.1
  8. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 4.15.0-1157.174~16.04.1
  9. Upgrade

    Upgrade ubuntu/linux-hwe to a version that resolves this vulnerability.

    Fixed in 4.15.0-220.231~16.04.1
  10. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 4.4.0-1126.136
  11. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 4.15.0-1126.137~16.04.1
  12. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 4.4.0-1095.102
  13. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 4.15.0-220.231
  14. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.15.0-1163.176
  15. Upgrade

    Upgrade ubuntu/linux-aws-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1114.124~18.04.1
  16. Upgrade

    Upgrade ubuntu/linux-azure-4.15 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1172.187
  17. Upgrade

    Upgrade ubuntu/linux-azure-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1120.127~18.04.1
  18. Upgrade

    Upgrade ubuntu/linux-gcp-4.15 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1157.174
  19. Upgrade

    Upgrade ubuntu/linux-gcp-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1118.127~18.04.1
  20. Upgrade

    Upgrade ubuntu/linux-hwe-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-167.184~18.04.1
  21. Upgrade

    Upgrade ubuntu/linux-ibm-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1061.66~18.04.1
  22. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 4.15.0-1147.152
  23. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 4.15.0-1126.137
  24. Upgrade

    Upgrade ubuntu/linux-oracle-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1113.122~18.04.1
  25. Upgrade

    Upgrade ubuntu/linux-raspi-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1098.110~18.04.2
  26. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2102.108
  27. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2081.87
  28. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-1118.129
  29. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2065.70
  30. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 5.4.0-167.184
  31. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 5.4.0-1114.124
  32. Upgrade

    Upgrade ubuntu/linux-aws-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1050.55~20.04.1
  33. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 5.4.0-1120.127
  34. Upgrade

    Upgrade ubuntu/linux-azure-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1052.60~20.04.1
  35. Upgrade

    Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.

    Fixed in 5.4.0-1075.81
  36. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 5.4.0-1118.127
  37. Upgrade

    Upgrade ubuntu/linux-gcp-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1047.55~20.04.1
  38. Upgrade

    Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.

    Fixed in 5.4.0-1081.85
  39. Upgrade

    Upgrade ubuntu/linux-gkeop-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1033.39~20.04.1
  40. Upgrade

    Upgrade ubuntu/linux-hwe-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-89.99~20.04.1
  41. Upgrade

    Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.

    Fixed in 5.4.0-1061.66
  42. Upgrade

    Upgrade ubuntu/linux-ibm-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1043.46~20.04.1
  43. Upgrade

    Upgrade ubuntu/linux-intel-iotg-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1045.51~20.04.1
  44. Upgrade

    Upgrade ubuntu/linux-iot to a version that resolves this vulnerability.

    Fixed in 5.4.0-1026.27
  45. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 5.4.0-1103.110
  46. Upgrade

    Upgrade ubuntu/linux-lowlatency-hwe-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-89.99~20.04.1
  47. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1020.20~20.04.1
  48. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 5.4.0-1113.122
  49. Upgrade

    Upgrade ubuntu/linux-oracle-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1048.54~20.04.1
  50. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 5.4.0-1098.110
  51. Upgrade

    Upgrade ubuntu/linux-riscv-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1046.50~20.04.1
  52. Upgrade

    Upgrade ubuntu/linux-xilinx-zynqmp to a version that resolves this vulnerability.

    Fixed in 5.4.0-1034.38
  53. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1114.124+fips1
  54. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1121.128+fips1
  55. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1089.98
  56. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1118.127+fips1
  57. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 5.15.0-89.99
  58. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 5.15.0-1050.55
  59. Upgrade

    Upgrade ubuntu/linux-aws-6.2 to a version that resolves this vulnerability.

    Fixed in 6.2.0-1016.16~22.04.1
  60. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 5.15.0-1052.60
  61. Upgrade

    Upgrade ubuntu/linux-azure-6.2 to a version that resolves this vulnerability.

    Fixed in 6.2.0-1017.17~22.04.1
  62. Upgrade

    Upgrade ubuntu/linux-azure-fde to a version that resolves this vulnerability.

    Fixed in 5.15.0-1052.60.1
  63. Upgrade

    Upgrade ubuntu/linux-azure-fde-6.2 to a version that resolves this vulnerability.

    Fixed in 6.2.0-1017.17~22.04.1.1
  64. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 5.15.0-1047.55
  65. Upgrade

    Upgrade ubuntu/linux-gcp-6.2 to a version that resolves this vulnerability.

    Fixed in 6.2.0-1019.21~22.04.1
  66. Upgrade

    Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.

    Fixed in 5.15.0-1047.52
  67. Upgrade

    Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.

    Fixed in 5.15.0-1033.39
  68. Upgrade

    Upgrade ubuntu/linux-hwe-6.2 to a version that resolves this vulnerability.

    Fixed in 6.2.0-37.38~22.04.1
  69. Upgrade

    Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.

    Fixed in 5.15.0-1043.46
  70. Upgrade

    Upgrade ubuntu/linux-intel-iotg to a version that resolves this vulnerability.

    Fixed in 5.15.0-1045.51
  71. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 5.15.0-1047.52
  72. Upgrade

    Upgrade ubuntu/linux-lowlatency to a version that resolves this vulnerability.

    Fixed in 5.15.0-89.99
  73. Upgrade

    Upgrade ubuntu/linux-lowlatency-hwe-6.2 to a version that resolves this vulnerability.

    Fixed in 6.2.0-1017.17~22.04.1
  74. Upgrade

    Upgrade ubuntu/linux-nvidia to a version that resolves this vulnerability.

    Fixed in 5.15.0-1041.41
  75. Upgrade

    Upgrade ubuntu/linux-nvidia-6.2 to a version that resolves this vulnerability.

    Fixed in 6.2.0-1012.12
  76. Upgrade

    Upgrade ubuntu/linux-nvidia-6.5 to a version that resolves this vulnerability.

    Fixed in 6.5.0-1007.7
  77. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra to a version that resolves this vulnerability.

    Fixed in 5.15.0-1020.20
  78. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra-igx to a version that resolves this vulnerability.

    Fixed in 5.15.0-1007.7
  79. Upgrade

    Upgrade ubuntu/linux-oem-6.1 to a version that resolves this vulnerability.

    Fixed in 6.1.0-1025.25
  80. Upgrade

    Upgrade ubuntu/linux-oem-6.5 to a version that resolves this vulnerability.

    Fixed in 6.5.0-1008.8
  81. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 5.15.0-1048.54
  82. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 5.15.0-1043.46
  83. Upgrade

    Upgrade ubuntu/linux-starfive-6.2 to a version that resolves this vulnerability.

    Fixed in 6.2.0-1009.10~22.04.1
  84. Upgrade

    Upgrade ubuntu/linux-xilinx-zynqmp to a version that resolves this vulnerability.

    Fixed in 5.15.0-1027.31
  85. Upgrade

    Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.

    Fixed in 5.15.0-1032.34
  86. Upgrade

    Upgrade ubuntu/linux-intel-iot-realtime to a version that resolves this vulnerability.

    Fixed in 5.15.0-1043.45
  87. Upgrade

    Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.

    Fixed in 5.15.0-1051.57

Event History

Apr 24, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via OSV·06:15 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·06:15 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2023-31085?

CVE-2023-31085 is classified as a medium severity vulnerability due to the potential for a divide-by-zero error.

2

How do I fix CVE-2023-31085?

To fix CVE-2023-31085, update the Linux kernel to a version later than 6.2 that addresses this issue.

3

What impact does CVE-2023-31085 have on affected systems?

CVE-2023-31085 could lead to denial of service or undefined behavior in the affected systems due to the divide-by-zero error.

4

Which versions of the Linux kernel are affected by CVE-2023-31085?

CVE-2023-31085 specifically affects Linux kernel version 6.2.

5

Can CVE-2023-31085 be exploited remotely?

CVE-2023-31085 does not appear to be remotely exploitable and requires local access to trigger the vulnerability.

Company

Resources

Contact

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