CVE-2022-3621: Linux Kernel nilfs2 inode.c nilfs_bmap_lookup_at_level null pointer dereference

Published Oct 20, 2022
·
Updated

A vulnerability was found in Linux Kernel. It has been classified as problematic. Affected is the function nilfsbmaplookupatlevel of the file fs/nilfs2/inode.c of the component nilfs2. The manipulation leads to null pointer dereference. It is possible to launch the attack remotely. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211920.

Affected Software

144 affected componentsFixes available
Linux Linux kernel
Debian Debian Linux=10.0
debian/linux
6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1
debian/linux<6.0.2-1
6.0.2-1
debian/linux<6.0.2-1
6.0.2-1
debian/linux<6.0.2-1
6.0.2-1
ubuntu/linux-aws<4.4.0-1114.120
4.4.0-1114.120
ubuntu/linux-azure<4.15.0-1157.172~14.04.2
4.15.0-1157.172~14.04.2
ubuntu/linux-lts-xenial<4.4.0-235.269~14.04.1
4.4.0-235.269~14.04.1
ubuntu/linux*
ubuntu/linux<4.4.0-235.269
4.4.0-235.269
ubuntu/linux-aws<4.4.0-1152.167
4.4.0-1152.167
ubuntu/linux-aws-hwe<4.15.0-1146.158~16.04.2
4.15.0-1146.158~16.04.2
ubuntu/linux-azure<4.15.0-1159.174~16.04.1
4.15.0-1159.174~16.04.1
ubuntu/linux-gcp<4.15.0-1141.157~16.04.2
4.15.0-1141.157~16.04.2
ubuntu/linux-hwe<4.15.0-200.211~16.04.2
4.15.0-200.211~16.04.2
ubuntu/linux-kvm<4.4.0-1115.125
4.4.0-1115.125
ubuntu/linux-oracle<4.15.0-1111.122~16.04.2
4.15.0-1111.122~16.04.2
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1084.91
4.4.0-1084.91
ubuntu/linux-fips*
ubuntu/linux<4.15.0-200.211
4.15.0-200.211
ubuntu/linux-aws<4.15.0-1146.158
4.15.0-1146.158
ubuntu/linux-aws-5.4<5.4.0-1092.100~18.04.2
5.4.0-1092.100~18.04.2
ubuntu/linux-azure-4.15<4.15.0-1157.172
4.15.0-1157.172
ubuntu/linux-azure-5.4<5.4.0-1098.104~18.04.2
5.4.0-1098.104~18.04.2
ubuntu/linux-dell300x<4.15.0-1057.62
4.15.0-1057.62
ubuntu/linux-gcp-4.15<4.15.0-1141.157
4.15.0-1141.157
ubuntu/linux-gcp-5.4<5.4.0-1096.105~18.04.2
5.4.0-1096.105~18.04.2
ubuntu/linux-hwe-5.4<5.4.0-135.152~18.04.2
5.4.0-135.152~18.04.2
ubuntu/linux-ibm-5.4<5.4.0-1040.45~18.04.2
5.4.0-1040.45~18.04.2
ubuntu/linux-kvm<4.15.0-1132.137
4.15.0-1132.137
ubuntu/linux-oracle<4.15.0-1111.122
4.15.0-1111.122
ubuntu/linux-oracle-5.4<5.4.0-1090.99~18.04.2
5.4.0-1090.99~18.04.2
ubuntu/linux-raspi-5.4<5.4.0-1077.88~18.04.2
5.4.0-1077.88~18.04.2
ubuntu/linux-raspi2<4.15.0-1124.132
4.15.0-1124.132
ubuntu/linux-snapdragon<4.15.0-1142.152
4.15.0-1142.152
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-azure*
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-5.3*
ubuntu/linux-gke-4.15*
ubuntu/linux-gke-5.4*
ubuntu/linux-gkeop-5.4*
ubuntu/linux-hwe*
ubuntu/linux-hwe-edge*
ubuntu/linux-oem*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-aws-fips<4.15.0-2085.91
4.15.0-2085.91
ubuntu/linux-azure-fips<4.15.0-2066.72
4.15.0-2066.72
ubuntu/linux-fips<4.15.0-1103.114
4.15.0-1103.114
ubuntu/linux-gcp-fips<4.15.0-2050.55
4.15.0-2050.55
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.4.0-135.152
5.4.0-135.152
ubuntu/linux-aws<5.4.0-1092.100
5.4.0-1092.100
ubuntu/linux-aws-5.15<5.15.0-1026.30~20.04.2
5.15.0-1026.30~20.04.2
ubuntu/linux-azure<5.4.0-1098.104
5.4.0-1098.104
ubuntu/linux-azure-5.15<5.15.0-1029.36~20.04.1
5.15.0-1029.36~20.04.1
ubuntu/linux-bluefield<5.4.0-1054.60
5.4.0-1054.60
ubuntu/linux-gcp<5.4.0-1096.105
5.4.0-1096.105
ubuntu/linux-gcp-5.15<5.15.0-1025.32~20.04.2
5.15.0-1025.32~20.04.2
ubuntu/linux-gke<5.4.0-1090.97
5.4.0-1090.97
ubuntu/linux-gke-5.15<5.15.0-1023.28~20.04.2
5.15.0-1023.28~20.04.2
ubuntu/linux-gkeop<5.4.0-1060.64
5.4.0-1060.64
ubuntu/linux-gkeop-5.15<5.15.0-1011.15~20.04.2
5.15.0-1011.15~20.04.2
ubuntu/linux-hwe-5.15<5.15.0-56.62~20.04.1
5.15.0-56.62~20.04.1
ubuntu/linux-ibm<5.4.0-1040.45
5.4.0-1040.45
ubuntu/linux-intel-iotg-5.15<5.15.0-1021.26~20.04.1
5.15.0-1021.26~20.04.1
ubuntu/linux-iot<5.4.0-1009.11
5.4.0-1009.11
ubuntu/linux-kvm<5.4.0-1082.88
5.4.0-1082.88
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-56.62~20.04.1
5.15.0-56.62~20.04.1
ubuntu/linux-oem-5.14<5.14.0-1055.62
5.14.0-1055.62
ubuntu/linux-oracle<5.4.0-1090.99
5.4.0-1090.99
ubuntu/linux-oracle-5.15<5.15.0-1025.31~20.04.2
5.15.0-1025.31~20.04.2
ubuntu/linux-raspi<5.4.0-1077.88
5.4.0-1077.88
ubuntu/linux-riscv-5.15<5.15.0-1026.30~20.04.2
5.15.0-1026.30~20.04.2
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-gcp-5.11*
ubuntu/linux-gcp-5.13*
ubuntu/linux-gcp-5.8*
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<5.4.0-1092.100+fips1
5.4.0-1092.100+fips1
ubuntu/linux-azure-fips<5.4.0-1098.104+fips1
5.4.0-1098.104+fips1
ubuntu/linux-fips<5.4.0-1068.77
5.4.0-1068.77
ubuntu/linux-gcp-fips<5.4.0-1096.105+fips1
5.4.0-1096.105+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.15.0-56.62
5.15.0-56.62
ubuntu/linux-aws<5.15.0-1026.30
5.15.0-1026.30
ubuntu/linux-aws-6.2*
ubuntu/linux-azure<5.15.0-1029.36
5.15.0-1029.36
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-fde<5.15.0-1029.36.1
5.15.0-1029.36.1
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-gcp<5.15.0-1025.32
5.15.0-1025.32
ubuntu/linux-gcp-6.2*
ubuntu/linux-gke<5.15.0-1023.28
5.15.0-1023.28
ubuntu/linux-gkeop<5.15.0-1011.15
5.15.0-1011.15
ubuntu/linux-hwe-6.2*
ubuntu/linux-ibm<5.15.0-1021.24
5.15.0-1021.24
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-intel-iotg<5.15.0-1021.26
5.15.0-1021.26
ubuntu/linux-kvm<5.15.0-1024.29
5.15.0-1024.29
ubuntu/linux-lowlatency<5.15.0-56.62
5.15.0-56.62
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-nvidia<5.15.0-1015.15
5.15.0-1015.15
ubuntu/linux-nvidia-6.2*
ubuntu/linux-oem-5.17<5.17.0-1024.25
5.17.0-1024.25
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1*
ubuntu/linux-oracle<5.15.0-1025.31
5.15.0-1025.31
ubuntu/linux-raspi<5.15.0-1021.23
5.15.0-1021.23
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-realtime<5.15.0-1028.31
5.15.0-1028.31
ubuntu/linux-raspi-realtime*
ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.115-2Fixed in 7.2.12-1Fixed in 7.2.15-1
  2. Upgrade

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

    Fixed in 6.0.2-1
  3. Upgrade

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

    Fixed in 4.4.0-1114.120
  4. Upgrade

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

    Fixed in 4.15.0-1157.172~14.04.2
  5. Upgrade

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

    Fixed in 4.4.0-235.269~14.04.1
  6. Upgrade

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

    Fixed in 4.4.0-235.269
  7. Upgrade

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

    Fixed in 4.4.0-1152.167
  8. Upgrade

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

    Fixed in 4.15.0-1146.158~16.04.2
  9. Upgrade

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

    Fixed in 4.15.0-1159.174~16.04.1
  10. Upgrade

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

    Fixed in 4.15.0-1141.157~16.04.2
  11. Upgrade

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

    Fixed in 4.15.0-200.211~16.04.2
  12. Upgrade

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

    Fixed in 4.4.0-1115.125
  13. Upgrade

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

    Fixed in 4.15.0-1111.122~16.04.2
  14. Upgrade

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

    Fixed in 4.4.0-1084.91
  15. Upgrade

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

    Fixed in 4.15.0-200.211
  16. Upgrade

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

    Fixed in 4.15.0-1146.158
  17. Upgrade

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

    Fixed in 5.4.0-1092.100~18.04.2
  18. Upgrade

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

    Fixed in 4.15.0-1157.172
  19. Upgrade

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

    Fixed in 5.4.0-1098.104~18.04.2
  20. Upgrade

    Upgrade ubuntu/linux-dell300x to a version that resolves this vulnerability.

    Fixed in 4.15.0-1057.62
  21. Upgrade

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

    Fixed in 4.15.0-1141.157
  22. Upgrade

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

    Fixed in 5.4.0-1096.105~18.04.2
  23. Upgrade

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

    Fixed in 5.4.0-135.152~18.04.2
  24. Upgrade

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

    Fixed in 5.4.0-1040.45~18.04.2
  25. Upgrade

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

    Fixed in 4.15.0-1132.137
  26. Upgrade

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

    Fixed in 4.15.0-1111.122
  27. Upgrade

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

    Fixed in 5.4.0-1090.99~18.04.2
  28. Upgrade

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

    Fixed in 5.4.0-1077.88~18.04.2
  29. Upgrade

    Upgrade ubuntu/linux-raspi2 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1124.132
  30. Upgrade

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

    Fixed in 4.15.0-1142.152
  31. Upgrade

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

    Fixed in 4.15.0-2085.91
  32. Upgrade

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

    Fixed in 4.15.0-2066.72
  33. Upgrade

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

    Fixed in 4.15.0-1103.114
  34. Upgrade

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

    Fixed in 4.15.0-2050.55
  35. Upgrade

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

    Fixed in 5.4.0-135.152
  36. Upgrade

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

    Fixed in 5.4.0-1092.100
  37. Upgrade

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

    Fixed in 5.15.0-1026.30~20.04.2
  38. Upgrade

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

    Fixed in 5.4.0-1098.104
  39. Upgrade

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

    Fixed in 5.15.0-1029.36~20.04.1
  40. Upgrade

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

    Fixed in 5.4.0-1054.60
  41. Upgrade

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

    Fixed in 5.4.0-1096.105
  42. Upgrade

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

    Fixed in 5.15.0-1025.32~20.04.2
  43. Upgrade

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

    Fixed in 5.4.0-1090.97
  44. Upgrade

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

    Fixed in 5.15.0-1023.28~20.04.2
  45. Upgrade

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

    Fixed in 5.4.0-1060.64
  46. Upgrade

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

    Fixed in 5.15.0-1011.15~20.04.2
  47. Upgrade

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

    Fixed in 5.15.0-56.62~20.04.1
  48. Upgrade

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

    Fixed in 5.4.0-1040.45
  49. Upgrade

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

    Fixed in 5.15.0-1021.26~20.04.1
  50. Upgrade

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

    Fixed in 5.4.0-1009.11
  51. Upgrade

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

    Fixed in 5.4.0-1082.88
  52. Upgrade

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

    Fixed in 5.15.0-56.62~20.04.1
  53. Upgrade

    Upgrade ubuntu/linux-oem-5.14 to a version that resolves this vulnerability.

    Fixed in 5.14.0-1055.62
  54. Upgrade

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

    Fixed in 5.4.0-1090.99
  55. Upgrade

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

    Fixed in 5.15.0-1025.31~20.04.2
  56. Upgrade

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

    Fixed in 5.4.0-1077.88
  57. Upgrade

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

    Fixed in 5.15.0-1026.30~20.04.2
  58. Upgrade

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

    Fixed in 5.4.0-1092.100+fips1
  59. Upgrade

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

    Fixed in 5.4.0-1098.104+fips1
  60. Upgrade

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

    Fixed in 5.4.0-1068.77
  61. Upgrade

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

    Fixed in 5.4.0-1096.105+fips1
  62. Upgrade

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

    Fixed in 5.15.0-56.62
  63. Upgrade

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

    Fixed in 5.15.0-1026.30
  64. Upgrade

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

    Fixed in 5.15.0-1029.36
  65. Upgrade

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

    Fixed in 5.15.0-1029.36.1
  66. Upgrade

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

    Fixed in 5.15.0-1025.32
  67. Upgrade

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

    Fixed in 5.15.0-1023.28
  68. Upgrade

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

    Fixed in 5.15.0-1011.15
  69. Upgrade

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

    Fixed in 5.15.0-1021.24
  70. Upgrade

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

    Fixed in 5.15.0-1021.26
  71. Upgrade

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

    Fixed in 5.15.0-1024.29
  72. Upgrade

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

    Fixed in 5.15.0-56.62
  73. Upgrade

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

    Fixed in 5.15.0-1015.15
  74. Upgrade

    Upgrade ubuntu/linux-oem-5.17 to a version that resolves this vulnerability.

    Fixed in 5.17.0-1024.25
  75. Upgrade

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

    Fixed in 5.15.0-1025.31
  76. Upgrade

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

    Fixed in 5.15.0-1021.23
  77. Upgrade

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

    Fixed in 5.15.0-1028.31

Event History

Oct 20, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Data Sourced
via Ubuntu·12:00 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via OSV·08:15 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·08:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2022-3621?

CVE-2022-3621 has been classified as problematic due to the potential for remote exploitation.

2

How do I fix CVE-2022-3621?

To mitigate CVE-2022-3621, update to the fixed Linux Kernel versions 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.119-1, 6.12.11-1, or 6.12.12-1.

3

Which systems are affected by CVE-2022-3621?

CVE-2022-3621 affects the Linux Kernel, specifically within the nilfs2 component.

4

What type of vulnerability is CVE-2022-3621?

CVE-2022-3621 is a vulnerability that leads to a null pointer dereference.

5

Can CVE-2022-3621 be exploited remotely?

Yes, CVE-2022-3621 can potentially be exploited remotely.

Company

Resources

Contact

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