CVE-2022-49657: usbnet: fix memory leak in error case

Published Feb 26, 2025
·
Updated

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

usbnet: fix memory leak in error case

usbnetwritecmdasync() mixed up which buffers need to be freed in which error case.

v2: add Fixes tag v3: fix uninitialized buf pointer

Affected Software

175 affected componentsFixes available
Linux Kernel
Linux Linux kernel>=3.8<4.9.323
Linux Linux kernel>=4.10<4.14.288
Linux Linux kernel>=4.15<4.19.252
Linux Linux kernel>=4.20<5.4.205
Linux Linux kernel>=5.5<5.10.130
Linux Linux kernel>=5.11<5.15.54
Linux Linux kernel>=5.16<5.18.11
Linux Linux kernel=5.19-rc1
Linux Linux kernel=5.19-rc2
Linux Linux kernel=5.19-rc3
Linux Linux kernel=5.19-rc4
Linux Linux kernel=5.19-rc5
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-azure<4.15.0-1153.168~14.04.1
4.15.0-1153.168~14.04.1
ubuntu/linux*
ubuntu/linux-aws*
ubuntu/linux-lts-xenial*
ubuntu/linux-aws-hwe<4.15.0-1142.154~16.04.1
4.15.0-1142.154~16.04.1
ubuntu/linux-azure<4.15.0-1153.168~16.04.1
4.15.0-1153.168~16.04.1
ubuntu/linux-gcp<4.15.0-1137.153~16.04.1
4.15.0-1137.153~16.04.1
ubuntu/linux-hwe<4.15.0-194.205~16.04.1
4.15.0-194.205~16.04.1
ubuntu/linux-oracle<4.15.0-1107.118~16.04.1
4.15.0-1107.118~16.04.1
ubuntu/linux*
ubuntu/linux-aws*
ubuntu/linux-hwe-edge*
ubuntu/linux-kvm*
ubuntu/linux-fips*
ubuntu/linux-fips*
ubuntu/linux<4.15.0-194.205
4.15.0-194.205
ubuntu/linux-aws<4.15.0-1142.154
4.15.0-1142.154
ubuntu/linux-aws-5.4<5.4.0-1086.93~18.04.1
5.4.0-1086.93~18.04.1
ubuntu/linux-azure-4.15<4.15.0-1153.168
4.15.0-1153.168
ubuntu/linux-azure-5.4<5.4.0-1094.100~18.04.1
5.4.0-1094.100~18.04.1
ubuntu/linux-gcp-4.15<4.15.0-1137.153
4.15.0-1137.153
ubuntu/linux-gcp-5.4<5.4.0-1092.101~18.04.1
5.4.0-1092.101~18.04.1
ubuntu/linux-hwe-5.4<5.4.0-128.144~18.04.1
5.4.0-128.144~18.04.1
ubuntu/linux-ibm-5.4<5.4.0-1034.38~18.04.1
5.4.0-1034.38~18.04.1
ubuntu/linux-kvm<4.15.0-1128.133
4.15.0-1128.133
ubuntu/linux-oracle<4.15.0-1107.118
4.15.0-1107.118
ubuntu/linux-oracle-5.4<5.4.0-1084.92~18.04.1
5.4.0-1084.92~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1071.81~18.04.1
5.4.0-1071.81~18.04.1
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-aws-fips<4.15.0-2081.87
4.15.0-2081.87
ubuntu/linux-azure-fips<4.15.0-2062.68
4.15.0-2062.68
ubuntu/linux-fips<4.15.0-1099.110
4.15.0-1099.110
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<5.4.0-128.144
5.4.0-128.144
ubuntu/linux-aws<5.4.0-1086.93
5.4.0-1086.93
ubuntu/linux-aws-5.15<5.15.0-1021.25~20.04.1
5.15.0-1021.25~20.04.1
ubuntu/linux-azure<5.4.0-1094.100
5.4.0-1094.100
ubuntu/linux-azure-5.15<5.15.0-1021.26~20.04.1
5.15.0-1021.26~20.04.1
ubuntu/linux-bluefield<5.4.0-1047.52
5.4.0-1047.52
ubuntu/linux-gcp<5.4.0-1090.98
5.4.0-1090.98
ubuntu/linux-gcp-5.15<5.15.0-1021.28~20.04.1
5.15.0-1021.28~20.04.1
ubuntu/linux-hwe-5.15<5.15.0-50.56~20.04.1
5.15.0-50.56~20.04.1
ubuntu/linux-ibm<5.4.0-1034.38
5.4.0-1034.38
ubuntu/linux-intel-iotg-5.15<5.15.0-1017.22~20.04.1
5.15.0-1017.22~20.04.1
ubuntu/linux-iot<5.4.0-1005.7
5.4.0-1005.7
ubuntu/linux-kvm<5.4.0-1076.81
5.4.0-1076.81
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-50.56~20.04.1
5.15.0-50.56~20.04.1
ubuntu/linux-oracle<5.4.0-1084.92
5.4.0-1084.92
ubuntu/linux-oracle-5.15<5.15.0-1019.24~20.04.1
5.15.0-1019.24~20.04.1
ubuntu/linux-raspi<5.4.0-1071.81
5.4.0-1071.81
ubuntu/linux-riscv-5.15<5.15.0-1022.26~20.04.1
5.15.0-1022.26~20.04.1
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-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<5.4.0-1086.93+fips1
5.4.0-1086.93+fips1
ubuntu/linux-azure-fips<5.4.0-1094.100+fips1
5.4.0-1094.100+fips1
ubuntu/linux-fips<5.4.0-1062.70
5.4.0-1062.70
ubuntu/linux-gcp-fips<5.4.0-1092.101+fips1
5.4.0-1092.101+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.15.0-50.56
5.15.0-50.56
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws<5.15.0-1021.25
5.15.0-1021.25
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2*
ubuntu/linux-aws-6.5*
ubuntu/linux-azure<5.15.0-1021.26
5.15.0-1021.26
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-6.5*
ubuntu/linux-azure-fde<5.15.0-1024.30.1
5.15.0-1024.30.1
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-gcp<5.15.0-1019.25
5.15.0-1019.25
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2*
ubuntu/linux-gcp-6.5*
ubuntu/linux-gke<5.15.0-1017.20
5.15.0-1017.20
ubuntu/linux-gkeop<5.15.0-1004.6
5.15.0-1004.6
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2*
ubuntu/linux-hwe-6.5*
ubuntu/linux-ibm<5.15.0-1015.17
5.15.0-1015.17
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-intel-iotg<5.15.0-1017.22
5.15.0-1017.22
ubuntu/linux-kvm<5.15.0-1019.23
5.15.0-1019.23
ubuntu/linux-lowlatency<5.15.0-50.56
5.15.0-50.56
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-lowlatency-hwe-6.5*
ubuntu/linux-nvidia<5.15.0-1015.15
5.15.0-1015.15
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<5.15.0-1019.24
5.15.0-1019.24
ubuntu/linux-oracle-6.5*
ubuntu/linux-raspi<5.15.0-1016.18
5.15.0-1016.18
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-realtime<5.15.0-1022.22
5.15.0-1022.22
ubuntu/linux-raspi-realtime*
debian/linux<5.18.14-1
5.18.14-1
debian/linux<5.18.14-1
5.18.14-1
debian/linux<5.18.14-1
5.18.14-1
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-azure to a version that resolves this vulnerability.

    Fixed in 4.15.0-1153.168~14.04.1
  2. Upgrade

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

    Fixed in 4.15.0-1142.154~16.04.1
  3. Upgrade

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

    Fixed in 4.15.0-1153.168~16.04.1
  4. Upgrade

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

    Fixed in 4.15.0-1137.153~16.04.1
  5. Upgrade

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

    Fixed in 4.15.0-194.205~16.04.1
  6. Upgrade

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

    Fixed in 4.15.0-1107.118~16.04.1
  7. Upgrade

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

    Fixed in 4.15.0-194.205
  8. Upgrade

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

    Fixed in 4.15.0-1142.154
  9. Upgrade

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

    Fixed in 5.4.0-1086.93~18.04.1
  10. Upgrade

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

    Fixed in 4.15.0-1153.168
  11. Upgrade

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

    Fixed in 5.4.0-1094.100~18.04.1
  12. Upgrade

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

    Fixed in 4.15.0-1137.153
  13. Upgrade

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

    Fixed in 5.4.0-1092.101~18.04.1
  14. Upgrade

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

    Fixed in 5.4.0-128.144~18.04.1
  15. Upgrade

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

    Fixed in 5.4.0-1034.38~18.04.1
  16. Upgrade

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

    Fixed in 4.15.0-1128.133
  17. Upgrade

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

    Fixed in 4.15.0-1107.118
  18. Upgrade

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

    Fixed in 5.4.0-1084.92~18.04.1
  19. Upgrade

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

    Fixed in 5.4.0-1071.81~18.04.1
  20. Upgrade

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

    Fixed in 4.15.0-2081.87
  21. Upgrade

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

    Fixed in 4.15.0-2062.68
  22. Upgrade

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

    Fixed in 4.15.0-1099.110
  23. Upgrade

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

    Fixed in 4.15.0-2047.52
  24. Upgrade

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

    Fixed in 5.4.0-128.144
  25. Upgrade

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

    Fixed in 5.4.0-1086.93
  26. Upgrade

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

    Fixed in 5.15.0-1021.25~20.04.1
  27. Upgrade

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

    Fixed in 5.4.0-1094.100
  28. Upgrade

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

    Fixed in 5.15.0-1021.26~20.04.1
  29. Upgrade

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

    Fixed in 5.4.0-1047.52
  30. Upgrade

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

    Fixed in 5.4.0-1090.98
  31. Upgrade

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

    Fixed in 5.15.0-1021.28~20.04.1
  32. Upgrade

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

    Fixed in 5.15.0-50.56~20.04.1
  33. Upgrade

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

    Fixed in 5.4.0-1034.38
  34. Upgrade

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

    Fixed in 5.15.0-1017.22~20.04.1
  35. Upgrade

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

    Fixed in 5.4.0-1005.7
  36. Upgrade

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

    Fixed in 5.4.0-1076.81
  37. Upgrade

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

    Fixed in 5.15.0-50.56~20.04.1
  38. Upgrade

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

    Fixed in 5.4.0-1084.92
  39. Upgrade

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

    Fixed in 5.15.0-1019.24~20.04.1
  40. Upgrade

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

    Fixed in 5.4.0-1071.81
  41. Upgrade

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

    Fixed in 5.15.0-1022.26~20.04.1
  42. Upgrade

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

    Fixed in 5.4.0-1086.93+fips1
  43. Upgrade

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

    Fixed in 5.4.0-1094.100+fips1
  44. Upgrade

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

    Fixed in 5.4.0-1062.70
  45. Upgrade

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

    Fixed in 5.4.0-1092.101+fips1
  46. Upgrade

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

    Fixed in 5.15.0-50.56
  47. Upgrade

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

    Fixed in 5.15.0-1021.25
  48. Upgrade

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

    Fixed in 5.15.0-1021.26
  49. Upgrade

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

    Fixed in 5.15.0-1024.30.1
  50. Upgrade

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

    Fixed in 5.15.0-1019.25
  51. Upgrade

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

    Fixed in 5.15.0-1017.20
  52. Upgrade

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

    Fixed in 5.15.0-1004.6
  53. Upgrade

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

    Fixed in 5.15.0-1015.17
  54. Upgrade

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

    Fixed in 5.15.0-1017.22
  55. Upgrade

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

    Fixed in 5.15.0-1019.23
  56. Upgrade

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

    Fixed in 5.15.0-50.56
  57. Upgrade

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

    Fixed in 5.15.0-1015.15
  58. Upgrade

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

    Fixed in 5.15.0-1019.24
  59. Upgrade

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

    Fixed in 5.15.0-1016.18
  60. Upgrade

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

    Fixed in 5.15.0-1022.22
  61. Upgrade

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

    Fixed in 5.18.14-1
  62. 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

Feb 26, 2025
CVE Published
via MITRE·02:23 AM
Data Sourced
via MITRE·02:23 AM
Description
Data Sourced
via Red Hat·03:03 AM
DescriptionSeverityAffected Software
Data Sourced
via OSV·07:01 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·07:01 AM
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-2022-49657?

CVE-2022-49657 is considered a medium severity vulnerability due to the potential for a memory leak in error handling.

2

How do I fix CVE-2022-49657?

To fix CVE-2022-49657, you need to apply the patch provided in the Linux kernel updates that address the memory management issues.

3

What systems are affected by CVE-2022-49657?

CVE-2022-49657 affects various versions of the Linux kernel that utilize the usbnet driver.

4

What type of vulnerability is CVE-2022-49657?

CVE-2022-49657 is a memory leak vulnerability that occurs in the usbnet driver of the Linux kernel.

5

Is CVE-2022-49657 exploitable?

While CVE-2022-49657 could lead to resource exhaustion, it is not directly exploitable for remote code execution.

Company

Resources

Contact

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