CVE-2022-49845: can: j1939: j1939_send_one(): fix missing CAN header initialization

Published May 1, 2025
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

can: j1939: j1939sendone(): fix missing CAN header initialization

The read access to struct canxlframe::len inside of a j1939 created skbuff revealed a missing initialization of reserved and later filled elements in struct canframe.

This patch initializes the 8 byte CAN header with zero.

Affected Software

147 affected componentsFixes available
Linux Kernel
Linux Linux kernel>=5.4<5.4.225
Linux Linux kernel>=5.5<5.10.155
Linux Linux kernel>=5.11<5.15.79
Linux Linux kernel>=5.16<6.0.9
Linux Linux kernel=6.1-rc1
Linux Linux kernel=6.1-rc2
Linux Linux kernel=6.1-rc3
Linux Linux kernel=6.1-rc4
IBM Verify Identity Access<=11.0 - 11.0.2
IBM Security Verify Access<=10.0 - 10.0.9.1
IBM Verify Identity Access Container<=11.0 - 11.0.2
IBM Security Verify Access Container<=10.0 - 10.0.9.1
ubuntu/linux-hwe-edge*
ubuntu/linux-aws-5.4<5.4.0-1097.105~18.04.1
5.4.0-1097.105~18.04.1
ubuntu/linux-azure-5.4<5.4.0-1104.110~18.04.1
5.4.0-1104.110~18.04.1
ubuntu/linux-gcp-5.4<5.4.0-1101.110~18.04.1
5.4.0-1101.110~18.04.1
ubuntu/linux-hwe-5.4<5.4.0-144.161~18.04.1
5.4.0-144.161~18.04.1
ubuntu/linux-ibm-5.4<5.4.0-1045.50~18.04.1
5.4.0-1045.50~18.04.1
ubuntu/linux-oracle-5.4<5.4.0-1094.103~18.04.1
5.4.0-1094.103~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1081.92~18.04.1
5.4.0-1081.92~18.04.1
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<5.4.0-144.161
5.4.0-144.161
ubuntu/linux-aws<5.4.0-1097.105
5.4.0-1097.105
ubuntu/linux-aws-5.15<5.15.0-1031.35~20.04.1
5.15.0-1031.35~20.04.1
ubuntu/linux-azure<5.4.0-1104.110
5.4.0-1104.110
ubuntu/linux-azure-5.15<5.15.0-1034.41~20.04.1
5.15.0-1034.41~20.04.1
ubuntu/linux-bluefield<5.4.0-1059.65
5.4.0-1059.65
ubuntu/linux-gcp<5.4.0-1101.110
5.4.0-1101.110
ubuntu/linux-gcp-5.15<5.15.0-1030.37~20.04.1
5.15.0-1030.37~20.04.1
ubuntu/linux-hwe-5.15<5.15.0-67.74~20.04.1
5.15.0-67.74~20.04.1
ubuntu/linux-ibm<5.4.0-1045.50
5.4.0-1045.50
ubuntu/linux-intel-iotg-5.15<5.15.0-1026.31~20.04.1
5.15.0-1026.31~20.04.1
ubuntu/linux-iot<5.4.0-1013.15
5.4.0-1013.15
ubuntu/linux-kvm<5.4.0-1087.93
5.4.0-1087.93
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-67.74~20.04.1
5.15.0-67.74~20.04.1
ubuntu/linux-nvidia-tegra-5.15<5.15.0-1014.14~20.04.1
5.15.0-1014.14~20.04.1
ubuntu/linux-oracle<5.4.0-1094.103
5.4.0-1094.103
ubuntu/linux-oracle-5.15<5.15.0-1030.36~20.04.1
5.15.0-1030.36~20.04.1
ubuntu/linux-raspi<5.4.0-1081.92
5.4.0-1081.92
ubuntu/linux-riscv-5.15<5.15.0-1030.34~20.04.1
5.15.0-1030.34~20.04.1
ubuntu/linux-xilinx-zynqmp<5.4.0-1022.26
5.4.0-1022.26
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-gkeop*
ubuntu/linux-gkeop-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<5.4.0-1099.107+fips1
5.4.0-1099.107+fips1
ubuntu/linux-azure-fips<5.4.0-1104.110+fips1
5.4.0-1104.110+fips1
ubuntu/linux-fips<5.4.0-1073.82
5.4.0-1073.82
ubuntu/linux-gcp-fips<5.4.0-1101.110+fips1
5.4.0-1101.110+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.15.0-67.74
5.15.0-67.74
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws<5.15.0-1031.35
5.15.0-1031.35
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2*
ubuntu/linux-aws-6.5*
ubuntu/linux-azure<5.15.0-1034.41
5.15.0-1034.41
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-6.5*
ubuntu/linux-azure-fde<5.15.0-1034.41.1
5.15.0-1034.41.1
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-gcp<5.15.0-1030.37
5.15.0-1030.37
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2*
ubuntu/linux-gcp-6.5*
ubuntu/linux-gke<5.15.0-1028.33
5.15.0-1028.33
ubuntu/linux-gkeop<5.15.0-1016.21
5.15.0-1016.21
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2*
ubuntu/linux-hwe-6.5*
ubuntu/linux-ibm<5.15.0-1026.29
5.15.0-1026.29
ubuntu/linux-intel-iotg<5.15.0-1026.31
5.15.0-1026.31
ubuntu/linux-kvm<5.15.0-1029.34
5.15.0-1029.34
ubuntu/linux-lowlatency<5.15.0-67.74
5.15.0-67.74
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-lowlatency-hwe-6.5*
ubuntu/linux-nvidia<5.15.0-1023.23
5.15.0-1023.23
ubuntu/linux-nvidia-6.2*
ubuntu/linux-nvidia-6.5*
ubuntu/linux-oem-5.17*
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1*
ubuntu/linux-oem-6.5*
ubuntu/linux-oracle<5.15.0-1030.36
5.15.0-1030.36
ubuntu/linux-oracle-6.5*
ubuntu/linux-raspi<5.15.0-1025.27
5.15.0-1025.27
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.19*
ubuntu/linux-riscv-6.5*
ubuntu/linux-starfive-5.19*
ubuntu/linux-starfive-6.2*
ubuntu/linux-starfive-6.5*
ubuntu/linux-bluefield<5.15.0-1014.16
5.15.0-1014.16
ubuntu/linux-intel-iot-realtime<5.15.0-1022.27
5.15.0-1022.27
ubuntu/linux-realtime<5.15.0-1033.36
5.15.0-1033.36
ubuntu/linux-raspi-realtime*
ubuntu/linux-realtime*
debian/linux<6.0.10-1
6.0.10-1
debian/linux<6.0.10-1
6.0.10-1
debian/linux<6.0.10-1
6.0.10-1
debian/linux
6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 5.4.0-1097.105~18.04.1
  2. Upgrade

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

    Fixed in 5.4.0-1104.110~18.04.1
  3. Upgrade

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

    Fixed in 5.4.0-1101.110~18.04.1
  4. Upgrade

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

    Fixed in 5.4.0-144.161~18.04.1
  5. Upgrade

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

    Fixed in 5.4.0-1045.50~18.04.1
  6. Upgrade

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

    Fixed in 5.4.0-1094.103~18.04.1
  7. Upgrade

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

    Fixed in 5.4.0-1081.92~18.04.1
  8. Upgrade

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

    Fixed in 5.4.0-144.161
  9. Upgrade

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

    Fixed in 5.4.0-1097.105
  10. Upgrade

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

    Fixed in 5.15.0-1031.35~20.04.1
  11. Upgrade

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

    Fixed in 5.4.0-1104.110
  12. Upgrade

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

    Fixed in 5.15.0-1034.41~20.04.1
  13. Upgrade

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

    Fixed in 5.4.0-1059.65
  14. Upgrade

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

    Fixed in 5.4.0-1101.110
  15. Upgrade

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

    Fixed in 5.15.0-1030.37~20.04.1
  16. Upgrade

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

    Fixed in 5.15.0-67.74~20.04.1
  17. Upgrade

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

    Fixed in 5.4.0-1045.50
  18. Upgrade

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

    Fixed in 5.15.0-1026.31~20.04.1
  19. Upgrade

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

    Fixed in 5.4.0-1013.15
  20. Upgrade

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

    Fixed in 5.4.0-1087.93
  21. Upgrade

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

    Fixed in 5.15.0-67.74~20.04.1
  22. Upgrade

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

    Fixed in 5.15.0-1014.14~20.04.1
  23. Upgrade

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

    Fixed in 5.4.0-1094.103
  24. Upgrade

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

    Fixed in 5.15.0-1030.36~20.04.1
  25. Upgrade

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

    Fixed in 5.4.0-1081.92
  26. Upgrade

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

    Fixed in 5.15.0-1030.34~20.04.1
  27. Upgrade

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

    Fixed in 5.4.0-1022.26
  28. Upgrade

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

    Fixed in 5.4.0-1099.107+fips1
  29. Upgrade

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

    Fixed in 5.4.0-1104.110+fips1
  30. Upgrade

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

    Fixed in 5.4.0-1073.82
  31. Upgrade

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

    Fixed in 5.4.0-1101.110+fips1
  32. Upgrade

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

    Fixed in 5.15.0-67.74
  33. Upgrade

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

    Fixed in 5.15.0-1031.35
  34. Upgrade

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

    Fixed in 5.15.0-1034.41
  35. Upgrade

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

    Fixed in 5.15.0-1034.41.1
  36. Upgrade

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

    Fixed in 5.15.0-1030.37
  37. Upgrade

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

    Fixed in 5.15.0-1028.33
  38. Upgrade

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

    Fixed in 5.15.0-1016.21
  39. Upgrade

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

    Fixed in 5.15.0-1026.29
  40. Upgrade

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

    Fixed in 5.15.0-1026.31
  41. Upgrade

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

    Fixed in 5.15.0-1029.34
  42. Upgrade

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

    Fixed in 5.15.0-67.74
  43. Upgrade

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

    Fixed in 5.15.0-1023.23
  44. Upgrade

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

    Fixed in 5.15.0-1030.36
  45. Upgrade

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

    Fixed in 5.15.0-1025.27
  46. Upgrade

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

    Fixed in 5.15.0-1014.16
  47. Upgrade

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

    Fixed in 5.15.0-1022.27
  48. Upgrade

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

    Fixed in 5.15.0-1033.36
  49. Upgrade

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

    Fixed in 6.0.10-1
  50. 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

Event History

May 1, 2025
CVE Published
via MITRE·02:09 PM
Data Sourced
via MITRE·02:09 PM
Description
Data Sourced
via Red Hat·03:02 PM
DescriptionSeverityAffected Software
Data Sourced
via OSV·03:16 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·03:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jul 8, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2022-49845?

The severity of CVE-2022-49845 has been classified as moderate.

2

How do I fix CVE-2022-49845?

To fix CVE-2022-49845, update the Linux Kernel to a version that includes the patch for this vulnerability.

3

Which versions of the Linux Kernel are affected by CVE-2022-49845?

CVE-2022-49845 affects Linux Kernel versions from 5.4 up to but not including 6.1-rc1.

4

What type of vulnerability is CVE-2022-49845?

CVE-2022-49845 is a vulnerability related to the initialization of CAN headers in the Linux Kernel.

5

Is CVE-2022-49845 specific to certain Linux distributions?

CVE-2022-49845 is not specific to any particular Linux distribution but affects the core Linux Kernel.

Company

Resources

Contact

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