CVE-2022-1516: Null Pointer Dereference

Published May 5, 2022
·
Updated

A NULL pointer dereference flaw was found in the Linux kernel’s X.25 set of standardized network protocols functionality in the way a user terminates their session using a simulated Ethernet card and continued usage of this connection. This flaw allows a local user to crash the system.

Affected Software

117 affected componentsFixes available
Linux Linux kernel=5.18-rc1
Debian Debian Linux=9.0
Debian Debian Linux=10.0
debian/linux<5.17.3-1
5.17.3-1
debian/linux<5.17.3-1
5.17.3-1
debian/linux<5.17.3-1
5.17.3-1
ubuntu/linux-aws<4.4.0-1117.123
4.4.0-1117.123
ubuntu/linux-azure<4.15.0-1146.161~14.04.1
4.15.0-1146.161~14.04.1
ubuntu/linux-lts-xenial<4.4.0-239.273~14.04.1
4.4.0-239.273~14.04.1
ubuntu/linux<4.4.0-239.273
4.4.0-239.273
ubuntu/linux-aws<4.4.0-1155.170
4.4.0-1155.170
ubuntu/linux-aws-hwe<4.15.0-1137.148~16.04.1
4.15.0-1137.148~16.04.1
ubuntu/linux-azure<4.15.0-1146.161~16.04.1
4.15.0-1146.161~16.04.1
ubuntu/linux-gcp<4.15.0-1131.147~16.04.1
4.15.0-1131.147~16.04.1
ubuntu/linux-hwe<4.15.0-189.200~16.04.1
4.15.0-189.200~16.04.1
ubuntu/linux-kvm<4.4.0-1118.128
4.4.0-1118.128
ubuntu/linux-oracle<4.15.0-1102.113~16.04.1
4.15.0-1102.113~16.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1088.95
4.4.0-1088.95
ubuntu/linux<4.15.0-189.200
4.15.0-189.200
ubuntu/linux-aws<4.15.0-1137.148
4.15.0-1137.148
ubuntu/linux-aws-5.4<5.4.0-1078.84~18.04.1
5.4.0-1078.84~18.04.1
ubuntu/linux-azure-4.15<4.15.0-1146.161
4.15.0-1146.161
ubuntu/linux-azure-5.4<5.4.0-1083.87~18.04.1
5.4.0-1083.87~18.04.1
ubuntu/linux-dell300x<4.15.0-1049.54
4.15.0-1049.54
ubuntu/linux-gcp-4.15<4.15.0-1131.147
4.15.0-1131.147
ubuntu/linux-gcp-5.4<5.4.0-1078.84~18.04.1
5.4.0-1078.84~18.04.1
ubuntu/linux-gke-5.4<5.4.0-1074.79~18.04.1
5.4.0-1074.79~18.04.1
ubuntu/linux-gkeop-5.4<5.4.0-1046.48~18.04.1
5.4.0-1046.48~18.04.1
ubuntu/linux-hwe-5.4<5.4.0-117.132~18.04.1
5.4.0-117.132~18.04.1
ubuntu/linux-ibm-5.4<5.4.0-1028.32~18.04.1
5.4.0-1028.32~18.04.1
ubuntu/linux-kvm<4.15.0-1123.128
4.15.0-1123.128
ubuntu/linux-oracle<4.15.0-1102.113
4.15.0-1102.113
ubuntu/linux-oracle-5.4<5.4.0-1076.83~18.04.1
5.4.0-1076.83~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1065.75~18.04.1
5.4.0-1065.75~18.04.1
ubuntu/linux-raspi2<4.15.0-1115.123
4.15.0-1115.123
ubuntu/linux-snapdragon<4.15.0-1133.143
4.15.0-1133.143
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-hwe*
ubuntu/linux-oem*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-aws-fips<4.15.0-2076.81
4.15.0-2076.81
ubuntu/linux-azure-fips<4.15.0-2057.63
4.15.0-2057.63
ubuntu/linux-fips<4.15.0-1094.105
4.15.0-1094.105
ubuntu/linux-gcp-fips<4.15.0-2041.46
4.15.0-2041.46
ubuntu/linux<5.4.0-117.132
5.4.0-117.132
ubuntu/linux-aws<5.4.0-1078.84
5.4.0-1078.84
ubuntu/linux-azure<5.4.0-1083.87
5.4.0-1083.87
ubuntu/linux-azure-5.15<5.15.0-1008.9~20.04.1
5.15.0-1008.9~20.04.1
ubuntu/linux-bluefield<5.4.0-1040.44
5.4.0-1040.44
ubuntu/linux-gcp<5.4.0-1078.84
5.4.0-1078.84
ubuntu/linux-gke<5.4.0-1074.79
5.4.0-1074.79
ubuntu/linux-gkeop<5.4.0-1046.48
5.4.0-1046.48
ubuntu/linux-hwe-5.15<5.15.0-41.44~20.04.1
5.15.0-41.44~20.04.1
ubuntu/linux-ibm<5.4.0-1026.29
5.4.0-1026.29
ubuntu/linux-intel-iotg-5.15<5.15.0-1008.11~20.04.1
5.15.0-1008.11~20.04.1
ubuntu/linux-iot<5.4.0-1004.6
5.4.0-1004.6
ubuntu/linux-kvm<5.4.0-1068.72
5.4.0-1068.72
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-42.45~20.04.1
5.15.0-42.45~20.04.1
ubuntu/linux-oem-5.14<5.14.0-1036.40
5.14.0-1036.40
ubuntu/linux-oracle<5.4.0-1076.83
5.4.0-1076.83
ubuntu/linux-raspi<5.4.0-1065.75
5.4.0-1065.75
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<5.4.0-1078.84+fips1
5.4.0-1078.84+fips1
ubuntu/linux-azure-fips<5.4.0-1083.87+fips1
5.4.0-1083.87+fips1
ubuntu/linux-fips<5.4.0-1054.61
5.4.0-1054.61
ubuntu/linux-gcp-fips<5.4.0-1078.84+fips1
5.4.0-1078.84+fips1
ubuntu/linux-fips*
ubuntu/linux<5.15.0-37.39
5.15.0-37.39
ubuntu/linux-aws<5.15.0-1011.14
5.15.0-1011.14
ubuntu/linux-azure<5.15.0-1010.12
5.15.0-1010.12
ubuntu/linux-gcp<5.15.0-1008.12
5.15.0-1008.12
ubuntu/linux-gke<5.15.0-1008.10
5.15.0-1008.10
ubuntu/linux-ibm<5.15.0-1007.8
5.15.0-1007.8
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-intel-iotg<5.15.0-1008.11
5.15.0-1008.11
ubuntu/linux-kvm<5.15.0-1010.11
5.15.0-1010.11
ubuntu/linux-lowlatency<5.15.0-37.39
5.15.0-37.39
ubuntu/linux-oem-5.17<5.17.0-1004.4
5.17.0-1004.4
ubuntu/linux-oracle<5.15.0-1009.12
5.15.0-1009.12
ubuntu/linux-raspi<5.15.0-1011.13
5.15.0-1011.13
ubuntu/linux-realtime*
ubuntu/linux-riscv<5.15.0-1012.13
5.15.0-1012.13
ubuntu/linux-realtime<5.15.0-1014.14
5.15.0-1014.14
ubuntu/linux-raspi-realtime*
ubuntu/linux-vmware*
debian/linux
6.1.176-16.1.190-16.12.107-16.12.116-17.2.15-17.3.4-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 5.17.3-1
  2. Upgrade

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

    Fixed in 4.4.0-1117.123
  3. Upgrade

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

    Fixed in 4.15.0-1146.161~14.04.1
  4. Upgrade

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

    Fixed in 4.4.0-239.273~14.04.1
  5. Upgrade

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

    Fixed in 4.4.0-239.273
  6. Upgrade

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

    Fixed in 4.4.0-1155.170
  7. Upgrade

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

    Fixed in 4.15.0-1137.148~16.04.1
  8. Upgrade

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

    Fixed in 4.15.0-1146.161~16.04.1
  9. Upgrade

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

    Fixed in 4.15.0-1131.147~16.04.1
  10. Upgrade

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

    Fixed in 4.15.0-189.200~16.04.1
  11. Upgrade

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

    Fixed in 4.4.0-1118.128
  12. Upgrade

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

    Fixed in 4.15.0-1102.113~16.04.1
  13. Upgrade

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

    Fixed in 4.4.0-1088.95
  14. Upgrade

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

    Fixed in 4.15.0-189.200
  15. Upgrade

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

    Fixed in 4.15.0-1137.148
  16. Upgrade

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

    Fixed in 5.4.0-1078.84~18.04.1
  17. Upgrade

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

    Fixed in 4.15.0-1146.161
  18. Upgrade

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

    Fixed in 5.4.0-1083.87~18.04.1
  19. Upgrade

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

    Fixed in 4.15.0-1049.54
  20. Upgrade

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

    Fixed in 4.15.0-1131.147
  21. Upgrade

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

    Fixed in 5.4.0-1078.84~18.04.1
  22. Upgrade

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

    Fixed in 5.4.0-1074.79~18.04.1
  23. Upgrade

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

    Fixed in 5.4.0-1046.48~18.04.1
  24. Upgrade

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

    Fixed in 5.4.0-117.132~18.04.1
  25. Upgrade

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

    Fixed in 5.4.0-1028.32~18.04.1
  26. Upgrade

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

    Fixed in 4.15.0-1123.128
  27. Upgrade

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

    Fixed in 4.15.0-1102.113
  28. Upgrade

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

    Fixed in 5.4.0-1076.83~18.04.1
  29. Upgrade

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

    Fixed in 5.4.0-1065.75~18.04.1
  30. Upgrade

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

    Fixed in 4.15.0-1115.123
  31. Upgrade

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

    Fixed in 4.15.0-1133.143
  32. Upgrade

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

    Fixed in 4.15.0-2076.81
  33. Upgrade

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

    Fixed in 4.15.0-2057.63
  34. Upgrade

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

    Fixed in 4.15.0-1094.105
  35. Upgrade

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

    Fixed in 4.15.0-2041.46
  36. Upgrade

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

    Fixed in 5.4.0-117.132
  37. Upgrade

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

    Fixed in 5.4.0-1078.84
  38. Upgrade

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

    Fixed in 5.4.0-1083.87
  39. Upgrade

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

    Fixed in 5.15.0-1008.9~20.04.1
  40. Upgrade

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

    Fixed in 5.4.0-1040.44
  41. Upgrade

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

    Fixed in 5.4.0-1078.84
  42. Upgrade

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

    Fixed in 5.4.0-1074.79
  43. Upgrade

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

    Fixed in 5.4.0-1046.48
  44. Upgrade

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

    Fixed in 5.15.0-41.44~20.04.1
  45. Upgrade

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

    Fixed in 5.4.0-1026.29
  46. Upgrade

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

    Fixed in 5.15.0-1008.11~20.04.1
  47. Upgrade

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

    Fixed in 5.4.0-1004.6
  48. Upgrade

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

    Fixed in 5.4.0-1068.72
  49. Upgrade

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

    Fixed in 5.15.0-42.45~20.04.1
  50. Upgrade

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

    Fixed in 5.14.0-1036.40
  51. Upgrade

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

    Fixed in 5.4.0-1076.83
  52. Upgrade

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

    Fixed in 5.4.0-1065.75
  53. Upgrade

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

    Fixed in 5.4.0-1078.84+fips1
  54. Upgrade

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

    Fixed in 5.4.0-1083.87+fips1
  55. Upgrade

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

    Fixed in 5.4.0-1054.61
  56. Upgrade

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

    Fixed in 5.4.0-1078.84+fips1
  57. Upgrade

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

    Fixed in 5.15.0-37.39
  58. Upgrade

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

    Fixed in 5.15.0-1011.14
  59. Upgrade

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

    Fixed in 5.15.0-1010.12
  60. Upgrade

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

    Fixed in 5.15.0-1008.12
  61. Upgrade

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

    Fixed in 5.15.0-1008.10
  62. Upgrade

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

    Fixed in 5.15.0-1007.8
  63. Upgrade

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

    Fixed in 5.15.0-1008.11
  64. Upgrade

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

    Fixed in 5.15.0-1010.11
  65. Upgrade

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

    Fixed in 5.15.0-37.39
  66. Upgrade

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

    Fixed in 5.17.0-1004.4
  67. Upgrade

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

    Fixed in 5.15.0-1009.12
  68. Upgrade

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

    Fixed in 5.15.0-1011.13
  69. Upgrade

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

    Fixed in 5.15.0-1012.13
  70. Upgrade

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

    Fixed in 5.15.0-1014.14
  71. 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 6.12.116-1Fixed in 7.2.15-1Fixed in 7.3.4-1

Event History

May 5, 2022
CVE Published
via MITRE·02:57 PM
Data Sourced
via MITRE·02:57 PM
DescriptionWeakness
Data Sourced
via OSV·03:15 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2022-1516?

CVE-2022-1516 has a severity rating that indicates it can allow a local user to crash the system through a NULL pointer dereference.

2

How do I fix CVE-2022-1516?

To fix CVE-2022-1516, update the Linux kernel to the patched versions listed in the vulnerability report.

3

Who is affected by CVE-2022-1516?

CVE-2022-1516 affects various versions of the Linux kernel, particularly those that implement X.25 networking protocols.

4

What types of systems are vulnerable to CVE-2022-1516?

Systems running specific versions of the Linux kernel and its derivatives, such as Debian, are vulnerable to CVE-2022-1516.

5

Is CVE-2022-1516 a remote or local vulnerability?

CVE-2022-1516 is a local vulnerability that can be exploited by logged-in users on the affected system.

Company

Resources

Contact

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