CVE-2022-40768: Medium severity Linux Linux kernel vulnerability

Published Sep 18, 2022
·
Updated

drivers/scsi/stex.c in the Linux kernel through 5.19.9 allows local users to obtain sensitive information from kernel memory because stexqueuecommandlck lacks a memset for the PASSTHRUCMD case.

Affected Software

138 affected componentsFixes available
Linux Linux kernel<=5.19.9
Fedoraproject Fedora=35
Fedoraproject Fedora=36
Fedoraproject Fedora=37
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<4.15.0-1143.155~16.04.1
4.15.0-1143.155~16.04.1
ubuntu/linux-azure<4.15.0-1159.174~16.04.1
4.15.0-1159.174~16.04.1
ubuntu/linux-gcp<4.15.0-1138.154~16.04.1
4.15.0-1138.154~16.04.1
ubuntu/linux-hwe<4.15.0-197.208~16.04.1
4.15.0-197.208~16.04.1
ubuntu/linux-kvm<4.4.0-1115.125
4.4.0-1115.125
ubuntu/linux-oracle<4.15.0-1108.119~16.04.1
4.15.0-1108.119~16.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1084.91
4.4.0-1084.91
ubuntu/linux-fips*
ubuntu/linux<4.15.0-197.208
4.15.0-197.208
ubuntu/linux-aws<4.15.0-1143.155
4.15.0-1143.155
ubuntu/linux-aws-5.4<5.4.0-1089.97~18.04.1
5.4.0-1089.97~18.04.1
ubuntu/linux-azure-4.15<4.15.0-1157.172
4.15.0-1157.172
ubuntu/linux-azure-5.4<5.4.0-1095.101~18.04.1
5.4.0-1095.101~18.04.1
ubuntu/linux-dell300x<4.15.0-1055.60
4.15.0-1055.60
ubuntu/linux-gcp-4.15<4.15.0-1138.154
4.15.0-1138.154
ubuntu/linux-gcp-5.4<5.4.0-1093.102~18.04.1
5.4.0-1093.102~18.04.1
ubuntu/linux-hwe-5.4<5.4.0-132.148~18.04.1
5.4.0-132.148~18.04.1
ubuntu/linux-ibm-5.4<5.4.0-1037.42~18.04.1
5.4.0-1037.42~18.04.1
ubuntu/linux-kvm<4.15.0-1129.134
4.15.0-1129.134
ubuntu/linux-oracle<4.15.0-1108.119
4.15.0-1108.119
ubuntu/linux-oracle-5.4<5.4.0-1087.96~18.04.1
5.4.0-1087.96~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1074.85~18.04.1
5.4.0-1074.85~18.04.1
ubuntu/linux-raspi2<4.15.0-1121.129
4.15.0-1121.129
ubuntu/linux-snapdragon<4.15.0-1139.149
4.15.0-1139.149
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<4.15.0-2082.88
4.15.0-2082.88
ubuntu/linux-azure-fips<4.15.0-2066.72
4.15.0-2066.72
ubuntu/linux-fips<4.15.0-1100.111
4.15.0-1100.111
ubuntu/linux-gcp-fips<4.15.0-2047.52
4.15.0-2047.52
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.4.0-132.148
5.4.0-132.148
ubuntu/linux-aws<5.4.0-1089.97
5.4.0-1089.97
ubuntu/linux-aws-5.15<5.15.0-1023.27~20.04.1
5.15.0-1023.27~20.04.1
ubuntu/linux-azure<5.4.0-1095.101
5.4.0-1095.101
ubuntu/linux-azure-5.15<5.15.0-1023.29~20.04.1
5.15.0-1023.29~20.04.1
ubuntu/linux-bluefield<5.4.0-1050.56
5.4.0-1050.56
ubuntu/linux-gcp<5.4.0-1093.102
5.4.0-1093.102
ubuntu/linux-gcp-5.15<5.15.0-1022.29~20.04.1
5.15.0-1022.29~20.04.1
ubuntu/linux-gke<5.4.0-1087.94
5.4.0-1087.94
ubuntu/linux-gke-5.15<5.15.0-1020.25~20.04.1
5.15.0-1020.25~20.04.1
ubuntu/linux-gkeop<5.4.0-1057.61
5.4.0-1057.61
ubuntu/linux-gkeop-5.15<5.15.0-1008.12~20.04.1
5.15.0-1008.12~20.04.1
ubuntu/linux-hwe-5.15<5.15.0-53.59~20.04.1
5.15.0-53.59~20.04.1
ubuntu/linux-ibm<5.4.0-1037.42
5.4.0-1037.42
ubuntu/linux-intel-iotg-5.15<5.15.0-1018.23~20.04.1
5.15.0-1018.23~20.04.1
ubuntu/linux-iot<5.4.0-1006.8
5.4.0-1006.8
ubuntu/linux-kvm<5.4.0-1079.85
5.4.0-1079.85
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-53.59~20.04.1
5.15.0-53.59~20.04.1
ubuntu/linux-oem-5.14<5.14.0-1054.61
5.14.0-1054.61
ubuntu/linux-oracle<5.4.0-1087.96
5.4.0-1087.96
ubuntu/linux-oracle-5.15<5.15.0-1022.28~20.04.1
5.15.0-1022.28~20.04.1
ubuntu/linux-raspi<5.4.0-1074.85
5.4.0-1074.85
ubuntu/linux-riscv-5.15<5.15.0-1023.27~20.04.1
5.15.0-1023.27~20.04.1
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<5.4.0-1089.97+fips1
5.4.0-1089.97+fips1
ubuntu/linux-azure-fips<5.4.0-1095.101+fips1
5.4.0-1095.101+fips1
ubuntu/linux-fips<5.4.0-1065.74
5.4.0-1065.74
ubuntu/linux-gcp-fips<5.4.0-1093.102+fips1
5.4.0-1093.102+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.15.0-53.59
5.15.0-53.59
ubuntu/linux-aws<5.15.0-1023.27
5.15.0-1023.27
ubuntu/linux-azure<5.15.0-1023.29
5.15.0-1023.29
ubuntu/linux-azure-fde<5.15.0-1024.30.1
5.15.0-1024.30.1
ubuntu/linux-gcp<5.15.0-1022.29
5.15.0-1022.29
ubuntu/linux-gke<5.15.0-1020.25
5.15.0-1020.25
ubuntu/linux-gkeop<5.15.0-1008.12
5.15.0-1008.12
ubuntu/linux-ibm<5.15.0-1018.21
5.15.0-1018.21
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-intel-iotg<5.15.0-1018.23
5.15.0-1018.23
ubuntu/linux-kvm<5.15.0-1021.26
5.15.0-1021.26
ubuntu/linux-lowlatency<5.15.0-53.59
5.15.0-53.59
ubuntu/linux-nvidia<5.15.0-1015.15
5.15.0-1015.15
ubuntu/linux-oem-5.17<5.17.0-1020.21
5.17.0-1020.21
ubuntu/linux-oem-6.0<6.0.0-1007.7
6.0.0-1007.7
ubuntu/linux-oracle<5.15.0-1022.28
5.15.0-1022.28
ubuntu/linux-raspi<5.15.0-1018.20
5.15.0-1018.20
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-realtime<5.15.0-1025.28
5.15.0-1025.28
ubuntu/linux-raspi-realtime*

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 4.15.0-1143.155~16.04.1
  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 4.15.0-1138.154~16.04.1
  11. Upgrade

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

    Fixed in 4.15.0-197.208~16.04.1
  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 4.15.0-1108.119~16.04.1
  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 4.15.0-197.208
  16. Upgrade

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

    Fixed in 4.15.0-1143.155
  17. Upgrade

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

    Fixed in 5.4.0-1089.97~18.04.1
  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 5.4.0-1095.101~18.04.1
  20. Upgrade

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

    Fixed in 4.15.0-1055.60
  21. Upgrade

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

    Fixed in 4.15.0-1138.154
  22. Upgrade

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

    Fixed in 5.4.0-1093.102~18.04.1
  23. Upgrade

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

    Fixed in 5.4.0-132.148~18.04.1
  24. Upgrade

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

    Fixed in 5.4.0-1037.42~18.04.1
  25. Upgrade

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

    Fixed in 4.15.0-1129.134
  26. Upgrade

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

    Fixed in 4.15.0-1108.119
  27. Upgrade

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

    Fixed in 5.4.0-1087.96~18.04.1
  28. Upgrade

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

    Fixed in 5.4.0-1074.85~18.04.1
  29. Upgrade

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

    Fixed in 4.15.0-1121.129
  30. Upgrade

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

    Fixed in 4.15.0-1139.149
  31. Upgrade

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

    Fixed in 4.15.0-2082.88
  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 4.15.0-1100.111
  34. Upgrade

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

    Fixed in 4.15.0-2047.52
  35. Upgrade

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

    Fixed in 5.4.0-132.148
  36. Upgrade

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

    Fixed in 5.4.0-1089.97
  37. Upgrade

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

    Fixed in 5.15.0-1023.27~20.04.1
  38. Upgrade

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

    Fixed in 5.4.0-1095.101
  39. Upgrade

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

    Fixed in 5.15.0-1023.29~20.04.1
  40. Upgrade

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

    Fixed in 5.4.0-1050.56
  41. Upgrade

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

    Fixed in 5.4.0-1093.102
  42. Upgrade

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

    Fixed in 5.15.0-1022.29~20.04.1
  43. Upgrade

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

    Fixed in 5.4.0-1087.94
  44. Upgrade

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

    Fixed in 5.15.0-1020.25~20.04.1
  45. Upgrade

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

    Fixed in 5.4.0-1057.61
  46. Upgrade

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

    Fixed in 5.15.0-1008.12~20.04.1
  47. Upgrade

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

    Fixed in 5.15.0-53.59~20.04.1
  48. Upgrade

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

    Fixed in 5.4.0-1037.42
  49. Upgrade

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

    Fixed in 5.15.0-1018.23~20.04.1
  50. Upgrade

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

    Fixed in 5.4.0-1006.8
  51. Upgrade

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

    Fixed in 5.4.0-1079.85
  52. Upgrade

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

    Fixed in 5.15.0-53.59~20.04.1
  53. Upgrade

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

    Fixed in 5.14.0-1054.61
  54. Upgrade

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

    Fixed in 5.4.0-1087.96
  55. Upgrade

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

    Fixed in 5.15.0-1022.28~20.04.1
  56. Upgrade

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

    Fixed in 5.4.0-1074.85
  57. Upgrade

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

    Fixed in 5.15.0-1023.27~20.04.1
  58. Upgrade

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

    Fixed in 5.4.0-1089.97+fips1
  59. Upgrade

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

    Fixed in 5.4.0-1095.101+fips1
  60. Upgrade

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

    Fixed in 5.4.0-1065.74
  61. Upgrade

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

    Fixed in 5.4.0-1093.102+fips1
  62. Upgrade

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

    Fixed in 5.15.0-53.59
  63. Upgrade

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

    Fixed in 5.15.0-1023.27
  64. Upgrade

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

    Fixed in 5.15.0-1023.29
  65. Upgrade

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

    Fixed in 5.15.0-1024.30.1
  66. Upgrade

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

    Fixed in 5.15.0-1022.29
  67. Upgrade

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

    Fixed in 5.15.0-1020.25
  68. Upgrade

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

    Fixed in 5.15.0-1008.12
  69. Upgrade

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

    Fixed in 5.15.0-1018.21
  70. Upgrade

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

    Fixed in 5.15.0-1018.23
  71. Upgrade

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

    Fixed in 5.15.0-1021.26
  72. Upgrade

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

    Fixed in 5.15.0-53.59
  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 5.17.0-1020.21
  75. Upgrade

    Upgrade ubuntu/linux-oem-6.0 to a version that resolves this vulnerability.

    Fixed in 6.0.0-1007.7
  76. Upgrade

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

    Fixed in 5.15.0-1022.28
  77. Upgrade

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

    Fixed in 5.15.0-1018.20
  78. Upgrade

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

    Fixed in 5.15.0-1025.28

Event History

Sep 18, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via Ubuntu·12:00 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via OSV·05:15 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·05:15 AM
RemedyDescriptionSeverityWeaknessAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2022-40768?

CVE-2022-40768 is classified as a medium severity vulnerability affecting the Linux kernel.

2

How do I fix CVE-2022-40768?

To fix CVE-2022-40768, update your Linux kernel to version 5.19.10 or later.

3

Which versions of the Linux kernel are affected by CVE-2022-40768?

CVE-2022-40768 affects the Linux kernel versions up to and including 5.19.9.

4

Can CVE-2022-40768 allow unauthorized access to sensitive data?

Yes, CVE-2022-40768 can potentially allow local users to obtain sensitive information from kernel memory.

5

Is CVE-2022-40768 specific to any particular Linux distribution?

CVE-2022-40768 affects multiple distributions including Fedora 35, 36, 37 and Debian Linux 10.0.

Company

Resources

Contact

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