CVE-2023-53116: nvmet: avoid potential UAF in nvmet_req_complete()

Published May 2, 2025
·
Updated

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

nvmet: avoid potential UAF in nvmetreqcomplete()

An nvme target ->queueresponse() operation implementation may free the request passed as argument. Such implementation potentially could result in a use after free of the request pointer when percpurefput() is called in nvmetreqcomplete().

Avoid such problem by using a local variable to save the sq pointer before calling nvmetreqcomplete(), thus avoiding dereferencing the req pointer after that function call.

Affected Software

166 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=4.8<4.14.311
Linux Linux kernel>=4.15<4.19.279
Linux Linux kernel>=4.20<5.4.238
Linux Linux kernel>=5.5<5.10.176
Linux Linux kernel>=5.11<5.15.104
Linux Linux kernel>=5.16<6.1.21
Linux Linux kernel>=6.2<6.2.8
Linux Linux kernel=6.3-rc1
Linux Linux kernel=6.3-rc2
ubuntu/linux-azure*
ubuntu/linux-aws-hwe*
ubuntu/linux-azure*
ubuntu/linux-gcp*
ubuntu/linux-hwe*
ubuntu/linux-hwe-edge*
ubuntu/linux-oracle*
ubuntu/linux*
ubuntu/linux-aws*
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-aws-5.4<5.4.0-1107.115~18.04.1
5.4.0-1107.115~18.04.1
ubuntu/linux-azure*
ubuntu/linux-azure-4.15*
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-5.4<5.4.0-1113.119~18.04.1
5.4.0-1113.119~18.04.1
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-4.15*
ubuntu/linux-gcp-5.3*
ubuntu/linux-gcp-5.4<5.4.0-1110.119~18.04.1
5.4.0-1110.119~18.04.1
ubuntu/linux-gke-4.15*
ubuntu/linux-gke-5.4*
ubuntu/linux-gkeop-5.4*
ubuntu/linux-hwe*
ubuntu/linux-hwe-5.4<5.4.0-156.173~18.04.1
5.4.0-156.173~18.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-ibm-5.4<5.4.0-1054.59~18.04.1
5.4.0-1054.59~18.04.1
ubuntu/linux-kvm*
ubuntu/linux-oem*
ubuntu/linux-oracle*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-oracle-5.4<5.4.0-1106.115~18.04.1
5.4.0-1106.115~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1091.102~18.04.1
5.4.0-1091.102~18.04.1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.4.0-156.173
5.4.0-156.173
ubuntu/linux-aws<5.4.0-1107.115
5.4.0-1107.115
ubuntu/linux-aws-5.15<5.15.0-1041.46~20.04.1
5.15.0-1041.46~20.04.1
ubuntu/linux-azure<5.4.0-1114.120
5.4.0-1114.120
ubuntu/linux-azure-5.15<5.15.0-1045.52~20.04.1
5.15.0-1045.52~20.04.1
ubuntu/linux-bluefield<5.4.0-1068.74
5.4.0-1068.74
ubuntu/linux-gcp<5.4.0-1110.119
5.4.0-1110.119
ubuntu/linux-gcp-5.15<5.15.0-1039.47~20.04.1
5.15.0-1039.47~20.04.1
ubuntu/linux-hwe-5.15<5.15.0-79.86~20.04.2
5.15.0-79.86~20.04.2
ubuntu/linux-ibm<5.4.0-1054.59
5.4.0-1054.59
ubuntu/linux-ibm-5.15<5.15.0-1036.39~20.04.1
5.15.0-1036.39~20.04.1
ubuntu/linux-intel-iotg-5.15<5.15.0-1037.42~20.04.1
5.15.0-1037.42~20.04.1
ubuntu/linux-iot<5.4.0-1019.20
5.4.0-1019.20
ubuntu/linux-kvm<5.4.0-1096.102
5.4.0-1096.102
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-79.88~20.04.1
5.15.0-79.88~20.04.1
ubuntu/linux-nvidia-tegra-5.15<5.15.0-1016.16~20.04.1
5.15.0-1016.16~20.04.1
ubuntu/linux-oracle<5.4.0-1106.115
5.4.0-1106.115
ubuntu/linux-oracle-5.15<5.15.0-1040.46~20.04.1
5.15.0-1040.46~20.04.1
ubuntu/linux-raspi<5.4.0-1091.102
5.4.0-1091.102
ubuntu/linux-riscv-5.15<5.15.0-1038.42~20.04.2
5.15.0-1038.42~20.04.2
ubuntu/linux-xilinx-zynqmp<5.4.0-1027.31
5.4.0-1027.31
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<5.4.0-1107.115+fips1
5.4.0-1107.115+fips1
ubuntu/linux-azure-fips<5.4.0-1113.119+fips1
5.4.0-1113.119+fips1
ubuntu/linux-fips<5.4.0-1082.91
5.4.0-1082.91
ubuntu/linux-gcp-fips<5.4.0-1110.119+fips1
5.4.0-1110.119+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.15.0-79.86
5.15.0-79.86
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws<5.15.0-1042.47
5.15.0-1042.47
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2*
ubuntu/linux-aws-6.5*
ubuntu/linux-azure<5.15.0-1045.52
5.15.0-1045.52
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-6.5*
ubuntu/linux-azure-fde<5.15.0-1045.52.1
5.15.0-1045.52.1
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-gcp<5.15.0-1039.47
5.15.0-1039.47
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2*
ubuntu/linux-gcp-6.5*
ubuntu/linux-gke<5.15.0-1039.44
5.15.0-1039.44
ubuntu/linux-gkeop<5.15.0-1025.30
5.15.0-1025.30
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2*
ubuntu/linux-hwe-6.5*
ubuntu/linux-ibm<5.15.0-1035.38
5.15.0-1035.38
ubuntu/linux-intel-iotg<5.15.0-1037.42
5.15.0-1037.42
ubuntu/linux-kvm<5.15.0-1039.44
5.15.0-1039.44
ubuntu/linux-lowlatency<5.15.0-79.88
5.15.0-79.88
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-lowlatency-hwe-6.5*
ubuntu/linux-nvidia<5.15.0-1030.30
5.15.0-1030.30
ubuntu/linux-nvidia-6.2*
ubuntu/linux-nvidia-6.5*
ubuntu/linux-nvidia-tegra<5.15.0-1016.16
5.15.0-1016.16
ubuntu/linux-nvidia-tegra-igx<5.15.0-1002.2
5.15.0-1002.2
ubuntu/linux-oem-5.17*
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1*
ubuntu/linux-oem-6.5*
ubuntu/linux-oracle<5.15.0-1040.46
5.15.0-1040.46
ubuntu/linux-oracle-6.5*
ubuntu/linux-raspi<5.15.0-1035.38
5.15.0-1035.38
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-xilinx-zynqmp<5.15.0-1025.29
5.15.0-1025.29
ubuntu/linux-bluefield<5.15.0-1022.24
5.15.0-1022.24
ubuntu/linux-intel-iot-realtime<5.15.0-1036.38
5.15.0-1036.38
ubuntu/linux-realtime<5.15.0-1043.48
5.15.0-1043.48
ubuntu/linux-fips*
ubuntu/linux-raspi-realtime*
ubuntu/linux-realtime*
ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 5.4.0-1107.115~18.04.1
  2. Upgrade

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

    Fixed in 5.4.0-1113.119~18.04.1
  3. Upgrade

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

    Fixed in 5.4.0-1110.119~18.04.1
  4. Upgrade

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

    Fixed in 5.4.0-156.173~18.04.1
  5. Upgrade

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

    Fixed in 5.4.0-1054.59~18.04.1
  6. Upgrade

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

    Fixed in 5.4.0-1106.115~18.04.1
  7. Upgrade

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

    Fixed in 5.4.0-1091.102~18.04.1
  8. Upgrade

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

    Fixed in 5.4.0-156.173
  9. Upgrade

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

    Fixed in 5.4.0-1107.115
  10. Upgrade

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

    Fixed in 5.15.0-1041.46~20.04.1
  11. Upgrade

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

    Fixed in 5.4.0-1114.120
  12. Upgrade

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

    Fixed in 5.15.0-1045.52~20.04.1
  13. Upgrade

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

    Fixed in 5.4.0-1068.74
  14. Upgrade

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

    Fixed in 5.4.0-1110.119
  15. Upgrade

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

    Fixed in 5.15.0-1039.47~20.04.1
  16. Upgrade

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

    Fixed in 5.15.0-79.86~20.04.2
  17. Upgrade

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

    Fixed in 5.4.0-1054.59
  18. Upgrade

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

    Fixed in 5.15.0-1036.39~20.04.1
  19. Upgrade

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

    Fixed in 5.15.0-1037.42~20.04.1
  20. Upgrade

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

    Fixed in 5.4.0-1019.20
  21. Upgrade

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

    Fixed in 5.4.0-1096.102
  22. Upgrade

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

    Fixed in 5.15.0-79.88~20.04.1
  23. Upgrade

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

    Fixed in 5.15.0-1016.16~20.04.1
  24. Upgrade

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

    Fixed in 5.4.0-1106.115
  25. Upgrade

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

    Fixed in 5.15.0-1040.46~20.04.1
  26. Upgrade

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

    Fixed in 5.4.0-1091.102
  27. Upgrade

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

    Fixed in 5.15.0-1038.42~20.04.2
  28. Upgrade

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

    Fixed in 5.4.0-1027.31
  29. Upgrade

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

    Fixed in 5.4.0-1107.115+fips1
  30. Upgrade

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

    Fixed in 5.4.0-1113.119+fips1
  31. Upgrade

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

    Fixed in 5.4.0-1082.91
  32. Upgrade

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

    Fixed in 5.4.0-1110.119+fips1
  33. Upgrade

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

    Fixed in 5.15.0-79.86
  34. Upgrade

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

    Fixed in 5.15.0-1042.47
  35. Upgrade

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

    Fixed in 5.15.0-1045.52
  36. Upgrade

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

    Fixed in 5.15.0-1045.52.1
  37. Upgrade

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

    Fixed in 5.15.0-1039.47
  38. Upgrade

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

    Fixed in 5.15.0-1039.44
  39. Upgrade

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

    Fixed in 5.15.0-1025.30
  40. Upgrade

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

    Fixed in 5.15.0-1035.38
  41. Upgrade

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

    Fixed in 5.15.0-1037.42
  42. Upgrade

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

    Fixed in 5.15.0-1039.44
  43. Upgrade

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

    Fixed in 5.15.0-79.88
  44. Upgrade

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

    Fixed in 5.15.0-1030.30
  45. Upgrade

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

    Fixed in 5.15.0-1016.16
  46. Upgrade

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

    Fixed in 5.15.0-1002.2
  47. Upgrade

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

    Fixed in 5.15.0-1040.46
  48. Upgrade

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

    Fixed in 5.15.0-1035.38
  49. Upgrade

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

    Fixed in 5.15.0-1025.29
  50. Upgrade

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

    Fixed in 5.15.0-1022.24
  51. Upgrade

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

    Fixed in 5.15.0-1036.38
  52. Upgrade

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

    Fixed in 5.15.0-1043.48

Event History

May 2, 2025
CVE Published
via MITRE·03:55 PM
Data Sourced
via MITRE·03:55 PM
DescriptionSeverity
Data Sourced
via OSV·04:15 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2023-53116?

CVE-2023-53116 is classified as a moderate severity vulnerability in the Linux kernel.

2

How do I fix CVE-2023-53116?

To fix CVE-2023-53116, it is recommended to update the Linux kernel to a patched version that resolves the vulnerability.

3

Which versions of the Linux kernel are affected by CVE-2023-53116?

CVE-2023-53116 affects certain versions of the Linux kernel, specifically those prior to the implementation of the fix.

4

What impact does CVE-2023-53116 have on system security?

CVE-2023-53116 can potentially lead to use-after-free vulnerabilities, which may allow an attacker to execute arbitrary code.

5

Are there any workarounds for CVE-2023-53116?

There are no widely recommended workarounds for CVE-2023-53116 other than applying the kernel update as soon as possible.

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