CVE-2022-1204: Use After Free

Published Apr 1, 2022
·
Updated

A use-after-free flaw was found in the Linux kernel’s Amateur Radio AX.25 protocol functionality in the way a user connects with the protocol. This flaw allows a local user to crash the system.

Other sources

There are use-after-free vulnerabilities in net/ax25/afax25.c of linux that allow attacker to crash linux kernel by simulating Amateur Radio from user-space.

Upstream fix:

https://github.com/torvalds/linux/commit/d01ffb9eee4af165d83b08dd73ebdf9fe94a519b https://github.com/torvalds/linux/commit/87563a043cef044fed5db7967a75741cc16ad2b1 https://github.com/torvalds/linux/commit/feef318c855a361a1eccd880f33e88c460eb63b4 https://github.com/torvalds/linux/commit/9fd75b66b8f68498454d685dc4ba13192ae069b0 https://github.com/torvalds/linux/commit/5352a761308397a0e6250fdc629bb3f615b94747

— Red Hat

Affected Software

132 affected componentsFixes available
Linux Linux kernel<5.17
Linux Linux kernel=5.17-rc1
Linux Linux kernel=5.17-rc2
Fedoraproject Fedora=34
Fedoraproject Fedora=35
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
debian/linux
6.1.176-16.1.190-16.12.107-16.12.116-17.2.15-17.3.3-1
ubuntu/linux-aws<4.4.0-1113.119
4.4.0-1113.119
ubuntu/linux-azure<4.15.0-1146.161~14.04.1
4.15.0-1146.161~14.04.1
ubuntu/linux-lts-xenial<4.4.0-234.268~14.04.1
4.4.0-234.268~14.04.1
ubuntu/linux*
ubuntu/linux<4.4.0-234.268
4.4.0-234.268
ubuntu/linux-aws<4.4.0-1151.166
4.4.0-1151.166
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<4.4.0-1114.124
4.4.0-1114.124
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<4.4.0-1083.90
4.4.0-1083.90
ubuntu/linux-fips*
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<5.4.0-1081.88~18.04.1
5.4.0-1081.88~18.04.1
ubuntu/linux-azure-4.15<4.15.0-1146.161
4.15.0-1146.161
ubuntu/linux-azure-5.4<5.4.0-1086.91~18.04.1
5.4.0-1086.91~18.04.1
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<5.4.0-1084.92~18.04.1
5.4.0-1084.92~18.04.1
ubuntu/linux-gke-5.4<5.4.0-1078.84~18.04.1
5.4.0-1078.84~18.04.1
ubuntu/linux-gkeop-5.4<5.4.0-1049.52~18.04.1
5.4.0-1049.52~18.04.1
ubuntu/linux-hwe-5.4<5.4.0-122.138~18.04.1
5.4.0-122.138~18.04.1
ubuntu/linux-ibm-5.4<5.4.0-1029.33~18.04.1
5.4.0-1029.33~18.04.1
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<5.4.0-1079.87~18.04.1
5.4.0-1079.87~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1066.76~18.04.1
5.4.0-1066.76~18.04.1
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-hwe-edge*
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-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.4.0-122.138
5.4.0-122.138
ubuntu/linux-aws<5.4.0-1081.88
5.4.0-1081.88
ubuntu/linux-azure<5.4.0-1086.91
5.4.0-1086.91
ubuntu/linux-azure-5.15<5.15.0-1008.9~20.04.1
5.15.0-1008.9~20.04.1
ubuntu/linux-bluefield<5.4.0-1042.47
5.4.0-1042.47
ubuntu/linux-gcp<5.4.0-1084.92
5.4.0-1084.92
ubuntu/linux-gke<5.4.0-1078.84
5.4.0-1078.84
ubuntu/linux-gkeop<5.4.0-1049.52
5.4.0-1049.52
ubuntu/linux-hwe-5.15<5.15.0-41.44~20.04.1
5.15.0-41.44~20.04.1
ubuntu/linux-ibm<5.4.0-1029.33
5.4.0-1029.33
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<5.4.0-1071.76
5.4.0-1071.76
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<5.4.0-1079.87
5.4.0-1079.87
ubuntu/linux-raspi<5.4.0-1066.76
5.4.0-1066.76
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-5.15<5.15.0-1114.123~20.04.1
5.15.0-1114.123~20.04.1
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<5.4.0-1081.88+fips1
5.4.0-1081.88+fips1
ubuntu/linux-azure-fips<5.4.0-1086.91+fips1
5.4.0-1086.91+fips1
ubuntu/linux-fips<5.4.0-1057.65
5.4.0-1057.65
ubuntu/linux-gcp-fips<5.4.0-1081.88+fips1
5.4.0-1081.88+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-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-oem-6.0*
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*

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 4.4.0-1113.119
  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 4.4.0-234.268~14.04.1
  5. Upgrade

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

    Fixed in 4.4.0-234.268
  6. Upgrade

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

    Fixed in 4.4.0-1151.166
  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 4.4.0-1114.124
  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 4.4.0-1083.90
  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 5.4.0-1081.88~18.04.1
  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 5.4.0-1086.91~18.04.1
  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 5.4.0-1084.92~18.04.1
  22. Upgrade

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

    Fixed in 5.4.0-1078.84~18.04.1
  23. Upgrade

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

    Fixed in 5.4.0-1049.52~18.04.1
  24. Upgrade

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

    Fixed in 5.4.0-122.138~18.04.1
  25. Upgrade

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

    Fixed in 5.4.0-1029.33~18.04.1
  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 5.4.0-1079.87~18.04.1
  29. Upgrade

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

    Fixed in 5.4.0-1066.76~18.04.1
  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 5.4.0-122.138
  37. Upgrade

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

    Fixed in 5.4.0-1081.88
  38. Upgrade

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

    Fixed in 5.4.0-1086.91
  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 5.4.0-1042.47
  41. Upgrade

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

    Fixed in 5.4.0-1084.92
  42. Upgrade

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

    Fixed in 5.4.0-1078.84
  43. Upgrade

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

    Fixed in 5.4.0-1049.52
  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 5.4.0-1029.33
  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 5.4.0-1071.76
  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 5.4.0-1079.87
  52. Upgrade

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

    Fixed in 5.4.0-1066.76
  53. Upgrade

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

    Fixed in 5.15.0-1114.123~20.04.1
  54. Upgrade

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

    Fixed in 5.4.0-1081.88+fips1
  55. Upgrade

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

    Fixed in 5.4.0-1086.91+fips1
  56. Upgrade

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

    Fixed in 5.4.0-1057.65
  57. Upgrade

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

    Fixed in 5.4.0-1081.88+fips1
  58. Upgrade

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

    Fixed in 5.15.0-37.39
  59. Upgrade

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

    Fixed in 5.15.0-1011.14
  60. Upgrade

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

    Fixed in 5.15.0-1010.12
  61. Upgrade

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

    Fixed in 5.15.0-1008.12
  62. Upgrade

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

    Fixed in 5.15.0-1008.10
  63. Upgrade

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

    Fixed in 5.15.0-1007.8
  64. Upgrade

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

    Fixed in 5.15.0-1008.11
  65. Upgrade

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

    Fixed in 5.15.0-1010.11
  66. Upgrade

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

    Fixed in 5.15.0-37.39
  67. Upgrade

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

    Fixed in 5.17.0-1004.4
  68. Upgrade

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

    Fixed in 5.15.0-1009.12
  69. Upgrade

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

    Fixed in 5.15.0-1011.13
  70. Upgrade

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

    Fixed in 5.15.0-1012.13
  71. Upgrade

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

    Fixed in 5.15.0-1014.14
  72. 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

Apr 1, 2022
Data Sourced
via Red Hat·04:48 PM
DescriptionSeverityAffected Software
Apr 2, 2022
CVE Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via OSV·12:00 AM
DescriptionSeverityAffected Software
Event
via OSV·12:00 AM
Aug 29, 2022
CVE Published
via MITRE·02:03 PM
Data Sourced
via MITRE·02:03 PM
DescriptionWeakness
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2022-1204?

CVE-2022-1204 has a moderate severity rating due to its potential to allow local users to crash the system.

2

How do I fix CVE-2022-1204?

To fix CVE-2022-1204, update the Linux kernel to 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

What systems are affected by CVE-2022-1204?

CVE-2022-1204 affects various versions of the Linux kernel including versions up to 5.17 as well as specific builds of Fedora and Debian.

4

What is the nature of the vulnerability in CVE-2022-1204?

CVE-2022-1204 is a use-after-free vulnerability occurring in the Amateur Radio AX.25 protocol functionality of the Linux kernel.

5

Can CVE-2022-1204 be exploited remotely?

CVE-2022-1204 is not considered a remote vulnerability as it can only be exploited by a local user on the affected systems.

Company

Resources

Contact

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