CVE-2023-52441: ksmbd: fix out of bounds in init_smb2_rsp_hdr()

Published Feb 21, 2024
·
Updated

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

ksmbd: fix out of bounds in initsmb2rsphdr()

If client send smb2 negotiate request and then send smb1 negotiate request, initsmb2rsphdr is called for smb1 negotiate request since needneg is set to false. This patch ignore smb1 packets after ->needneg is set to false.

Affected Software

108 affected componentsFixes available
Linux Linux kernel>=5.15.0<5.15.145
Linux Linux kernel>=5.16.0<6.1.53
Linux Linux kernel>=6.2.0<6.4.16
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1
ubuntu/linux-hwe-edge*
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-oem*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-aws-5.15<5.15.0-1057.63~20.04.1
5.15.0-1057.63~20.04.1
ubuntu/linux-azure-5.15<5.15.0-1060.69~20.04.1
5.15.0-1060.69~20.04.1
ubuntu/linux-gcp-5.15<5.15.0-1055.63~20.04.1
5.15.0-1055.63~20.04.1
ubuntu/linux-gkeop-5.15<5.15.0-1040.46~20.04.1
5.15.0-1040.46~20.04.1
ubuntu/linux-hwe-5.15<5.15.0-102.112~20.04.1
5.15.0-102.112~20.04.1
ubuntu/linux-ibm-5.15<5.15.0-1050.53~20.04.1
5.15.0-1050.53~20.04.1
ubuntu/linux-intel-iotg-5.15<5.15.0-1052.58~20.04.1
5.15.0-1052.58~20.04.1
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-102.112~20.04.1
5.15.0-102.112~20.04.1
ubuntu/linux-nvidia-tegra-5.15<5.15.0-1025.25~20.04.1
5.15.0-1025.25~20.04.1
ubuntu/linux-oracle-5.15<5.15.0-1055.61~20.04.1
5.15.0-1055.61~20.04.1
ubuntu/linux-riscv-5.15<5.15.0-1053.57~20.04.1
5.15.0-1053.57~20.04.1
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-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<5.15.0-102.112
5.15.0-102.112
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws<5.15.0-1057.63
5.15.0-1057.63
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2*
ubuntu/linux-azure<5.15.0-1060.69
5.15.0-1060.69
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-fde<5.15.0-1060.69.1
5.15.0-1060.69.1
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-gcp<5.15.0-1055.63
5.15.0-1055.63
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2*
ubuntu/linux-gke<5.15.0-1054.59
5.15.0-1054.59
ubuntu/linux-gkeop<5.15.0-1040.46
5.15.0-1040.46
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2*
ubuntu/linux-ibm<5.15.0-1050.53
5.15.0-1050.53
ubuntu/linux-intel-iotg<5.15.0-1052.58
5.15.0-1052.58
ubuntu/linux-kvm<5.15.0-1054.59
5.15.0-1054.59
ubuntu/linux-lowlatency<5.15.0-102.112
5.15.0-102.112
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-nvidia<5.15.0-1048.48
5.15.0-1048.48
ubuntu/linux-nvidia-6.2*
ubuntu/linux-nvidia-tegra<5.15.0-1025.25
5.15.0-1025.25
ubuntu/linux-nvidia-tegra-igx<5.15.0-1012.12
5.15.0-1012.12
ubuntu/linux-oem-5.17*
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1*
ubuntu/linux-oracle<5.15.0-1055.61
5.15.0-1055.61
ubuntu/linux-raspi<5.15.0-1050.53
5.15.0-1050.53
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.19*
ubuntu/linux-starfive-5.19*
ubuntu/linux-starfive-6.2*
ubuntu/linux-xilinx-zynqmp<5.15.0-1030.34
5.15.0-1030.34
ubuntu/linux-bluefield<5.15.0-1040.42
5.15.0-1040.42
ubuntu/linux-intel-iot-realtime<5.15.0-1050.52
5.15.0-1050.52
ubuntu/linux-realtime<5.15.0-1058.66
5.15.0-1058.66
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux-aws-fips<5.15.0-1057.63+fips1
5.15.0-1057.63+fips1
ubuntu/linux-azure-fips<5.15.0-1060.69+fips1
5.15.0-1060.69+fips1
ubuntu/linux-fips<5.15.0-102.112+fips1
5.15.0-102.112+fips1
ubuntu/linux-gcp-fips<5.15.0-1055.63+fips2
5.15.0-1055.63+fips2
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 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1
  2. Upgrade

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

    Fixed in 5.15.0-1057.63~20.04.1
  3. Upgrade

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

    Fixed in 5.15.0-1060.69~20.04.1
  4. Upgrade

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

    Fixed in 5.15.0-1055.63~20.04.1
  5. Upgrade

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

    Fixed in 5.15.0-1040.46~20.04.1
  6. Upgrade

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

    Fixed in 5.15.0-102.112~20.04.1
  7. Upgrade

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

    Fixed in 5.15.0-1050.53~20.04.1
  8. Upgrade

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

    Fixed in 5.15.0-1052.58~20.04.1
  9. Upgrade

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

    Fixed in 5.15.0-102.112~20.04.1
  10. Upgrade

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

    Fixed in 5.15.0-1025.25~20.04.1
  11. Upgrade

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

    Fixed in 5.15.0-1055.61~20.04.1
  12. Upgrade

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

    Fixed in 5.15.0-1053.57~20.04.1
  13. Upgrade

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

    Fixed in 5.15.0-102.112
  14. Upgrade

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

    Fixed in 5.15.0-1057.63
  15. Upgrade

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

    Fixed in 5.15.0-1060.69
  16. Upgrade

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

    Fixed in 5.15.0-1060.69.1
  17. Upgrade

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

    Fixed in 5.15.0-1055.63
  18. Upgrade

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

    Fixed in 5.15.0-1054.59
  19. Upgrade

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

    Fixed in 5.15.0-1040.46
  20. Upgrade

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

    Fixed in 5.15.0-1050.53
  21. Upgrade

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

    Fixed in 5.15.0-1052.58
  22. Upgrade

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

    Fixed in 5.15.0-1054.59
  23. Upgrade

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

    Fixed in 5.15.0-102.112
  24. Upgrade

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

    Fixed in 5.15.0-1048.48
  25. Upgrade

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

    Fixed in 5.15.0-1025.25
  26. Upgrade

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

    Fixed in 5.15.0-1012.12
  27. Upgrade

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

    Fixed in 5.15.0-1055.61
  28. Upgrade

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

    Fixed in 5.15.0-1050.53
  29. Upgrade

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

    Fixed in 5.15.0-1030.34
  30. Upgrade

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

    Fixed in 5.15.0-1040.42
  31. Upgrade

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

    Fixed in 5.15.0-1050.52
  32. Upgrade

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

    Fixed in 5.15.0-1058.66
  33. Upgrade

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

    Fixed in 5.15.0-1057.63+fips1
  34. Upgrade

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

    Fixed in 5.15.0-1060.69+fips1
  35. Upgrade

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

    Fixed in 5.15.0-102.112+fips1
  36. Upgrade

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

    Fixed in 5.15.0-1055.63+fips2

Event History

Feb 21, 2024
CVE Published
via MITRE·07:21 AM
Data Sourced
via MITRE·07:21 AM
DescriptionSeverity
Data Sourced
via OSV·08:15 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·08:15 AM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2023-52441?

CVE-2023-52441 has been classified with a medium severity due to its potential to cause out of bounds access in the Linux kernel.

2

How do I fix CVE-2023-52441?

To fix CVE-2023-52441, you should upgrade to a patched version of the Linux kernel, specifically 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 software is affected by CVE-2023-52441?

CVE-2023-52441 affects multiple versions of the Linux kernel, specifically versions ranging from 5.15.0 to 5.15.145, 5.16.0 to 6.1.53, and 6.2.0 to 6.4.16.

4

What is the cause of CVE-2023-52441?

CVE-2023-52441 is caused by an out of bounds access in the init_smb2_rsp_hdr() function when handling an smb1 negotiate request after an smb2 negotiate request.

5

When was CVE-2023-52441 resolved?

CVE-2023-52441 was resolved in the Linux kernel with fixes developed and released as part of the ongoing security updates for the kernel.

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