CVE-2022-3586: Linux Kernel Net Scheduler Use-After-Free Information Disclosure Vulnerability

Published Oct 19, 2022
·
Updated

A flaw was found in the Linux kernel’s networking code. A use-after-free was found in the way the schsfb enqueue function used the socket buffer (SKB) cb field after the same SKB had been enqueued (and freed) into a child qdisc. This flaw allows a local, unprivileged user to crash the system, causing a denial of service.

Other sources

This vulnerability allows local attackers to disclose sensitive information on affected installations of the Linux Kernel. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the processing of CAKE queueing disciplines. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilties to escalate privileges and execute arbitrary code in the context of the kernel.

— ZDI

Affected Software

140 affected componentsFixes available
Linux Linux kernel<6.0
Linux Linux kernel=6.0-rc1
Linux Linux kernel=6.0-rc2
Linux Linux kernel=6.0-rc3
Linux Linux kernel=6.0-rc4
Debian Debian Linux=10.0
Linux Linux kernel>=2.6.39<=5.19
debian/linux
6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1
debian/linux<5.19.11-1
5.19.11-1
debian/linux<5.19.11-1
5.19.11-1
debian/linux<5.19.11-1
5.19.11-1
Linux Kernel
ubuntu/linux-aws<4.4.0-1118.124
4.4.0-1118.124
ubuntu/linux-azure<4.15.0-1158.173~14.04.1
4.15.0-1158.173~14.04.1
ubuntu/linux-lts-xenial<4.4.0-240.274~14.04.1
4.4.0-240.274~14.04.1
ubuntu/linux*
ubuntu/linux<4.4.0-240.274
4.4.0-240.274
ubuntu/linux-aws<4.4.0-1156.171
4.4.0-1156.171
ubuntu/linux-aws-hwe<4.15.0-1147.159~16.04.1
4.15.0-1147.159~16.04.1
ubuntu/linux-azure<4.15.0-1159.174~16.04.1
4.15.0-1159.174~16.04.1
ubuntu/linux-gcp<4.15.0-1142.158~16.04.1
4.15.0-1142.158~16.04.1
ubuntu/linux-hwe<4.15.0-201.212~16.04.1
4.15.0-201.212~16.04.1
ubuntu/linux-kvm<4.4.0-1119.129
4.4.0-1119.129
ubuntu/linux-oracle<4.15.0-1112.123~16.04.1
4.15.0-1112.123~16.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1088.95
4.4.0-1088.95
ubuntu/linux-fips*
ubuntu/linux<4.15.0-201.212
4.15.0-201.212
ubuntu/linux-aws<4.15.0-1147.159
4.15.0-1147.159
ubuntu/linux-aws-5.4<5.4.0-1093.102~18.04.2
5.4.0-1093.102~18.04.2
ubuntu/linux-azure-4.15<4.15.0-1158.173
4.15.0-1158.173
ubuntu/linux-azure-5.4<5.4.0-1100.106~18.04.1
5.4.0-1100.106~18.04.1
ubuntu/linux-dell300x<4.15.0-1058.63
4.15.0-1058.63
ubuntu/linux-gcp-4.15<4.15.0-1142.158
4.15.0-1142.158
ubuntu/linux-gcp-5.4<5.4.0-1097.106~18.04.1
5.4.0-1097.106~18.04.1
ubuntu/linux-hwe-5.4<5.4.0-136.153~18.04.1
5.4.0-136.153~18.04.1
ubuntu/linux-ibm-5.4<5.4.0-1041.46~18.04.1
5.4.0-1041.46~18.04.1
ubuntu/linux-kvm<4.15.0-1133.138
4.15.0-1133.138
ubuntu/linux-oracle<4.15.0-1112.123
4.15.0-1112.123
ubuntu/linux-oracle-5.4<5.4.0-1091.100~18.04.1
5.4.0-1091.100~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1078.89~18.04.1
5.4.0-1078.89~18.04.1
ubuntu/linux-raspi2<4.15.0-1125.133
4.15.0-1125.133
ubuntu/linux-snapdragon<4.15.0-1143.153
4.15.0-1143.153
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<4.15.0-2087.93
4.15.0-2087.93
ubuntu/linux-azure-fips<4.15.0-2067.73
4.15.0-2067.73
ubuntu/linux-fips<4.15.0-1104.115
4.15.0-1104.115
ubuntu/linux-gcp-fips<4.15.0-2052.57
4.15.0-2052.57
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.4.0-136.153
5.4.0-136.153
ubuntu/linux-aws<5.4.0-1093.101
5.4.0-1093.101
ubuntu/linux-aws-5.15<5.15.0-1027.31~20.04.1
5.15.0-1027.31~20.04.1
ubuntu/linux-azure<5.4.0-1100.106
5.4.0-1100.106
ubuntu/linux-azure-5.15<5.15.0-1030.37~20.04.1
5.15.0-1030.37~20.04.1
ubuntu/linux-bluefield<5.4.0-1054.60
5.4.0-1054.60
ubuntu/linux-gcp<5.4.0-1097.106
5.4.0-1097.106
ubuntu/linux-gcp-5.15<5.15.0-1027.34~20.04.1
5.15.0-1027.34~20.04.1
ubuntu/linux-gke<5.4.0-1091.98
5.4.0-1091.98
ubuntu/linux-gke-5.15<5.15.0-1027.32~20.04.1
5.15.0-1027.32~20.04.1
ubuntu/linux-gkeop<5.4.0-1061.65
5.4.0-1061.65
ubuntu/linux-gkeop-5.15<5.15.0-1012.16~20.04.1
5.15.0-1012.16~20.04.1
ubuntu/linux-hwe-5.15<5.15.0-57.63~20.04.1
5.15.0-57.63~20.04.1
ubuntu/linux-ibm<5.4.0-1041.46
5.4.0-1041.46
ubuntu/linux-intel-iotg-5.15<5.15.0-1023.28~20.04.1
5.15.0-1023.28~20.04.1
ubuntu/linux-iot<5.4.0-1010.12
5.4.0-1010.12
ubuntu/linux-kvm<5.4.0-1083.89
5.4.0-1083.89
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-58.64~20.04.1
5.15.0-58.64~20.04.1
ubuntu/linux-oracle<5.4.0-1091.100
5.4.0-1091.100
ubuntu/linux-oracle-5.15<5.15.0-1027.33~20.04.1
5.15.0-1027.33~20.04.1
ubuntu/linux-raspi<5.4.0-1078.89
5.4.0-1078.89
ubuntu/linux-riscv-5.15<5.15.0-1027.31~20.04.1
5.15.0-1027.31~20.04.1
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<5.4.0-1093.101+fips1
5.4.0-1093.101+fips1
ubuntu/linux-azure-fips<5.4.0-1100.106+fips1
5.4.0-1100.106+fips1
ubuntu/linux-fips<5.4.0-1069.78
5.4.0-1069.78
ubuntu/linux-gcp-fips<5.4.0-1097.106+fips1
5.4.0-1097.106+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.15.0-57.63
5.15.0-57.63
ubuntu/linux-aws<5.15.0-1027.31
5.15.0-1027.31
ubuntu/linux-azure<5.15.0-1030.37
5.15.0-1030.37
ubuntu/linux-azure-fde<5.15.0-1030.37.1
5.15.0-1030.37.1
ubuntu/linux-gcp<5.15.0-1026.33
5.15.0-1026.33
ubuntu/linux-gke<5.15.0-1024.29
5.15.0-1024.29
ubuntu/linux-gkeop<5.15.0-1012.16
5.15.0-1012.16
ubuntu/linux-ibm<5.15.0-1022.25
5.15.0-1022.25
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-intel-iotg<5.15.0-1023.28
5.15.0-1023.28
ubuntu/linux-kvm<5.15.0-1025.30
5.15.0-1025.30
ubuntu/linux-lowlatency<5.15.0-57.63
5.15.0-57.63
ubuntu/linux-nvidia<5.15.0-1015.15
5.15.0-1015.15
ubuntu/linux-oem-5.17<5.17.0-1031.32
5.17.0-1031.32
ubuntu/linux-oracle<5.15.0-1026.32
5.15.0-1026.32
ubuntu/linux-raspi<5.15.0-1022.24
5.15.0-1022.24
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-realtime<5.15.0-1029.32
5.15.0-1029.32
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 5.19.11-1
  3. Upgrade

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

    Fixed in 4.4.0-1118.124
  4. Upgrade

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

    Fixed in 4.15.0-1158.173~14.04.1
  5. Upgrade

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

    Fixed in 4.4.0-240.274~14.04.1
  6. Upgrade

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

    Fixed in 4.4.0-240.274
  7. Upgrade

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

    Fixed in 4.4.0-1156.171
  8. Upgrade

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

    Fixed in 4.15.0-1147.159~16.04.1
  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 4.15.0-1142.158~16.04.1
  11. Upgrade

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

    Fixed in 4.15.0-201.212~16.04.1
  12. Upgrade

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

    Fixed in 4.4.0-1119.129
  13. Upgrade

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

    Fixed in 4.15.0-1112.123~16.04.1
  14. Upgrade

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

    Fixed in 4.4.0-1088.95
  15. Upgrade

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

    Fixed in 4.15.0-201.212
  16. Upgrade

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

    Fixed in 4.15.0-1147.159
  17. Upgrade

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

    Fixed in 5.4.0-1093.102~18.04.2
  18. Upgrade

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

    Fixed in 4.15.0-1158.173
  19. Upgrade

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

    Fixed in 5.4.0-1100.106~18.04.1
  20. Upgrade

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

    Fixed in 4.15.0-1058.63
  21. Upgrade

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

    Fixed in 4.15.0-1142.158
  22. Upgrade

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

    Fixed in 5.4.0-1097.106~18.04.1
  23. Upgrade

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

    Fixed in 5.4.0-136.153~18.04.1
  24. Upgrade

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

    Fixed in 5.4.0-1041.46~18.04.1
  25. Upgrade

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

    Fixed in 4.15.0-1133.138
  26. Upgrade

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

    Fixed in 4.15.0-1112.123
  27. Upgrade

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

    Fixed in 5.4.0-1091.100~18.04.1
  28. Upgrade

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

    Fixed in 5.4.0-1078.89~18.04.1
  29. Upgrade

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

    Fixed in 4.15.0-1125.133
  30. Upgrade

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

    Fixed in 4.15.0-1143.153
  31. Upgrade

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

    Fixed in 4.15.0-2087.93
  32. Upgrade

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

    Fixed in 4.15.0-2067.73
  33. Upgrade

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

    Fixed in 4.15.0-1104.115
  34. Upgrade

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

    Fixed in 4.15.0-2052.57
  35. Upgrade

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

    Fixed in 5.4.0-136.153
  36. Upgrade

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

    Fixed in 5.4.0-1093.101
  37. Upgrade

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

    Fixed in 5.15.0-1027.31~20.04.1
  38. Upgrade

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

    Fixed in 5.4.0-1100.106
  39. Upgrade

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

    Fixed in 5.15.0-1030.37~20.04.1
  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 5.4.0-1097.106
  42. Upgrade

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

    Fixed in 5.15.0-1027.34~20.04.1
  43. Upgrade

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

    Fixed in 5.4.0-1091.98
  44. Upgrade

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

    Fixed in 5.15.0-1027.32~20.04.1
  45. Upgrade

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

    Fixed in 5.4.0-1061.65
  46. Upgrade

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

    Fixed in 5.15.0-1012.16~20.04.1
  47. Upgrade

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

    Fixed in 5.15.0-57.63~20.04.1
  48. Upgrade

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

    Fixed in 5.4.0-1041.46
  49. Upgrade

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

    Fixed in 5.15.0-1023.28~20.04.1
  50. Upgrade

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

    Fixed in 5.4.0-1010.12
  51. Upgrade

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

    Fixed in 5.4.0-1083.89
  52. Upgrade

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

    Fixed in 5.15.0-58.64~20.04.1
  53. Upgrade

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

    Fixed in 5.4.0-1091.100
  54. Upgrade

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

    Fixed in 5.15.0-1027.33~20.04.1
  55. Upgrade

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

    Fixed in 5.4.0-1078.89
  56. Upgrade

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

    Fixed in 5.15.0-1027.31~20.04.1
  57. Upgrade

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

    Fixed in 5.4.0-1093.101+fips1
  58. Upgrade

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

    Fixed in 5.4.0-1100.106+fips1
  59. Upgrade

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

    Fixed in 5.4.0-1069.78
  60. Upgrade

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

    Fixed in 5.4.0-1097.106+fips1
  61. Upgrade

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

    Fixed in 5.15.0-57.63
  62. Upgrade

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

    Fixed in 5.15.0-1027.31
  63. Upgrade

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

    Fixed in 5.15.0-1030.37
  64. Upgrade

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

    Fixed in 5.15.0-1030.37.1
  65. Upgrade

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

    Fixed in 5.15.0-1026.33
  66. Upgrade

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

    Fixed in 5.15.0-1024.29
  67. Upgrade

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

    Fixed in 5.15.0-1012.16
  68. Upgrade

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

    Fixed in 5.15.0-1022.25
  69. Upgrade

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

    Fixed in 5.15.0-1023.28
  70. Upgrade

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

    Fixed in 5.15.0-1025.30
  71. Upgrade

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

    Fixed in 5.15.0-57.63
  72. Upgrade

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

    Fixed in 5.15.0-1015.15
  73. Upgrade

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

    Fixed in 5.17.0-1031.32
  74. Upgrade

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

    Fixed in 5.15.0-1026.32
  75. Upgrade

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

    Fixed in 5.15.0-1022.24
  76. Upgrade

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

    Fixed in 5.15.0-1029.32

Event History

Oct 19, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via Ubuntu·12:00 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via OSV·06:15 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·06:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Oct 21, 2022
Advisory Published
via ZDI·12:00 AM
Data Sourced
via ZDI·12:00 AM
DescriptionSeverityAffected Software

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