critical
9
CWE
362
Advisory Published
CVE Published
Updated
Advisory Published

CVE-2023-32250: Linux Kernel ksmbd Session Race Condition Remote Code Execution Vulnerability

First published: Sun May 21 2023(Updated: )

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_SESSION_SETUP commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.

Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel<6.4
Linux kernel
redhat/kernel<6.4
6.4
Linux Linux kernel>=5.15<6.1.29
Linux Linux kernel>=6.2<6.2.16
Linux Linux kernel>=6.3<6.3.2
Netapp Hci
Netapp Hci Storage Nodes
Netapp H300s
Netapp H410s
Netapp H500s
Netapp H700s
debian/linux
5.10.218-1
5.10.221-1
6.1.94-1
6.1.99-1
6.9.10-1
6.9.12-1
ubuntu/linux<5.15.0-94.104
5.15.0-94.104
ubuntu/linux<6.2.0-32.32
6.2.0-32.32
ubuntu/linux<6.4~
6.4~
ubuntu/linux-allwinner<6.4~
6.4~
ubuntu/linux-allwinner-5.19<6.4~
6.4~
ubuntu/linux-aws<5.15.0-1053.58
5.15.0-1053.58
ubuntu/linux-aws<6.2.0-1011.11
6.2.0-1011.11
ubuntu/linux-aws<6.4~
6.4~
ubuntu/linux-aws-5.0<6.4~
6.4~
ubuntu/linux-aws-5.15<5.15.0-1053.58~20.04.1
5.15.0-1053.58~20.04.1
ubuntu/linux-aws-5.15<6.4~
6.4~
ubuntu/linux-aws-5.19<6.4~
6.4~
ubuntu/linux-aws-5.4<6.4~
6.4~
ubuntu/linux-aws-6.2<6.2.0-1011.11~22.04.1
6.2.0-1011.11~22.04.1
ubuntu/linux-aws-6.2<6.4~
6.4~
ubuntu/linux-aws-6.5<6.4~
6.4~
ubuntu/linux-aws-fips<6.4~
6.4~
ubuntu/linux-aws-hwe<6.4~
6.4~
ubuntu/linux-azure<5.15.0-1056.64
5.15.0-1056.64
ubuntu/linux-azure<6.2.0-1011.11
6.2.0-1011.11
ubuntu/linux-azure<6.4~
6.4~
ubuntu/linux-azure-4.15<6.4~
6.4~
ubuntu/linux-azure-5.15<5.15.0-1056.64~20.04.1
5.15.0-1056.64~20.04.1
ubuntu/linux-azure-5.15<6.4~
6.4~
ubuntu/linux-azure-5.4<6.4~
6.4~
ubuntu/linux-azure-6.2<6.4~
6.4~
ubuntu/linux-azure-6.5<6.4~
6.4~
ubuntu/linux-azure-edge<6.4~
6.4~
ubuntu/linux-azure-fde<5.15.0-1056.64.1
5.15.0-1056.64.1
ubuntu/linux-azure-fde<6.4~
6.4~
ubuntu/linux-azure-fde-5.15<5.15.0-1056.64~20.04.1.1
5.15.0-1056.64~20.04.1.1
ubuntu/linux-azure-fde-5.15<6.4~
6.4~
ubuntu/linux-azure-fde-5.19<6.4~
6.4~
ubuntu/linux-azure-fde-6.2<6.4~
6.4~
ubuntu/linux-azure-fips<6.4~
6.4~
ubuntu/linux-bluefield<5.15.0-1035.37
5.15.0-1035.37
ubuntu/linux-bluefield<6.4~
6.4~
ubuntu/linux-dell300x<6.4~
6.4~
ubuntu/linux-fips<6.4~
6.4~
ubuntu/linux-gcp<5.15.0-1051.59
5.15.0-1051.59
ubuntu/linux-gcp<6.2.0-1013.13
6.2.0-1013.13
ubuntu/linux-gcp<6.4~
6.4~
ubuntu/linux-gcp-4.15<6.4~
6.4~
ubuntu/linux-gcp-5.15<5.15.0-1051.59~20.04.1
5.15.0-1051.59~20.04.1
ubuntu/linux-gcp-5.15<6.4~
6.4~
ubuntu/linux-gcp-5.19<6.4~
6.4~
ubuntu/linux-gcp-5.4<6.4~
6.4~
ubuntu/linux-gcp-6.2<6.2.0-1013.13~22.04.1
6.2.0-1013.13~22.04.1
ubuntu/linux-gcp-6.5<6.4~
6.4~
ubuntu/linux-gcp-fips<6.4~
6.4~
ubuntu/linux-gke<5.15.0-1050.55
5.15.0-1050.55
ubuntu/linux-gke<6.4~
6.4~
ubuntu/linux-gke-4.15<6.4~
6.4~
ubuntu/linux-gke-5.0<6.4~
6.4~
ubuntu/linux-gke-5.15<6.4~
6.4~
ubuntu/linux-gke-5.4<6.4~
6.4~
ubuntu/linux-gkeop<5.15.0-1036.42
5.15.0-1036.42
ubuntu/linux-gkeop<6.4~
6.4~
ubuntu/linux-gkeop-5.15<5.15.0-1036.42~20.04.1
5.15.0-1036.42~20.04.1
ubuntu/linux-gkeop-5.15<6.4~
6.4~
ubuntu/linux-gkeop-5.4<6.4~
6.4~
ubuntu/linux-hwe<6.4~
6.4~
ubuntu/linux-hwe-5.15<5.15.0-94.104~20.04.1
5.15.0-94.104~20.04.1
ubuntu/linux-hwe-5.15<6.4~
6.4~
ubuntu/linux-hwe-5.4<6.4~
6.4~
ubuntu/linux-hwe-6.2<6.2.0-32.32~22.04.1
6.2.0-32.32~22.04.1
ubuntu/linux-hwe-6.2<6.4~
6.4~
ubuntu/linux-hwe-6.5<6.4~
6.4~
ubuntu/linux-hwe-edge<6.4~
6.4~
ubuntu/linux-ibm<5.15.0-1046.49
5.15.0-1046.49
ubuntu/linux-ibm<6.2.0-1009.9
6.2.0-1009.9
ubuntu/linux-ibm<6.4~
6.4~
ubuntu/linux-ibm-5.15<5.15.0-1046.49~20.04.1
5.15.0-1046.49~20.04.1
ubuntu/linux-ibm-5.15<6.4~
6.4~
ubuntu/linux-ibm-5.4<6.4~
6.4~
ubuntu/linux-intel<6.4~
6.4~
ubuntu/linux-intel-5.13<6.4~
6.4~
ubuntu/linux-intel-iotg<5.15.0-1047.53
5.15.0-1047.53
ubuntu/linux-intel-iotg<6.4~
6.4~
ubuntu/linux-intel-iotg-5.15<5.15.0-1048.54~20.04.1
5.15.0-1048.54~20.04.1
ubuntu/linux-intel-iotg-5.15<6.4~
6.4~
ubuntu/linux-iot<6.4~
6.4~
ubuntu/linux-kvm<5.15.0-1050.55
5.15.0-1050.55
ubuntu/linux-kvm<6.2.0-1012.12
6.2.0-1012.12
ubuntu/linux-kvm<6.4~
6.4~
ubuntu/linux-laptop<6.4~
6.4~
ubuntu/linux-lowlatency<5.15.0-94.104
5.15.0-94.104
ubuntu/linux-lowlatency<6.2.0-1012.12
6.2.0-1012.12
ubuntu/linux-lowlatency<6.4~
6.4~
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-94.104~20.04.1
5.15.0-94.104~20.04.1
ubuntu/linux-lowlatency-hwe-5.15<6.4~
6.4~
ubuntu/linux-lowlatency-hwe-5.19<6.4~
6.4~
ubuntu/linux-lowlatency-hwe-6.2<6.2.0-1012.12~22.04.1
6.2.0-1012.12~22.04.1
ubuntu/linux-lowlatency-hwe-6.2<6.4~
6.4~
ubuntu/linux-lowlatency-hwe-6.5<6.4~
6.4~
ubuntu/linux-lts-xenial<6.4~
6.4~
ubuntu/linux-nvidia<5.15.0-1044.44
5.15.0-1044.44
ubuntu/linux-nvidia<6.4~
6.4~
ubuntu/linux-nvidia-6.2<6.4~
6.4~
ubuntu/linux-nvidia-6.5<6.4~
6.4~
ubuntu/linux-nvidia-6.8<6.4~
6.4~
ubuntu/linux-nvidia-lowlatency<6.4~
6.4~
ubuntu/linux-oem<6.4~
6.4~
ubuntu/linux-oem-5.10<6.4~
6.4~
ubuntu/linux-oem-5.14<6.4~
6.4~
ubuntu/linux-oem-5.17<6.4~
6.4~
ubuntu/linux-oem-5.6<6.4~
6.4~
ubuntu/linux-oem-6.0<6.4~
6.4~
ubuntu/linux-oem-6.1<6.1.0-1014.14
6.1.0-1014.14
ubuntu/linux-oem-6.1<6.4~
6.4~
ubuntu/linux-oem-6.5<6.4~
6.4~
ubuntu/linux-oem-6.8<6.4~
6.4~
ubuntu/linux-oem-osp1<6.4~
6.4~
ubuntu/linux-oracle<5.15.0-1051.57
5.15.0-1051.57
ubuntu/linux-oracle<6.2.0-1011.11
6.2.0-1011.11
ubuntu/linux-oracle<6.4~
6.4~
ubuntu/linux-oracle-5.0<6.4~
6.4~
ubuntu/linux-oracle-5.13<6.4~
6.4~
ubuntu/linux-oracle-5.15<5.15.0-1051.57~20.04.1
5.15.0-1051.57~20.04.1
ubuntu/linux-oracle-5.15<6.4~
6.4~
ubuntu/linux-oracle-5.4<6.4~
6.4~
ubuntu/linux-oracle-6.5<6.4~
6.4~
ubuntu/linux-raspi<5.15.0-1046.49
5.15.0-1046.49
ubuntu/linux-raspi<6.2.0-1012.14
6.2.0-1012.14
ubuntu/linux-raspi<6.4~
6.4~
ubuntu/linux-raspi-5.4<6.4~
6.4~
ubuntu/linux-raspi2<6.4~
6.4~
ubuntu/linux-riscv<6.2.0-32.32.2
6.2.0-32.32.2
ubuntu/linux-riscv<6.4~
6.4~
ubuntu/linux-riscv-5.15<5.15.0-1049.53~20.04.2
5.15.0-1049.53~20.04.2
ubuntu/linux-riscv-5.15<6.4~
6.4~
ubuntu/linux-riscv-6.5<6.4~
6.4~
ubuntu/linux-snapdragon<6.4~
6.4~
ubuntu/linux-starfive<6.2.0-1004.5
6.2.0-1004.5
ubuntu/linux-starfive<6.4~
6.4~
ubuntu/linux-starfive-5.19<6.4~
6.4~
ubuntu/linux-starfive-6.5<6.4~
6.4~
ubuntu/linux-xilinx-zynqmp<5.15.0-1027.31
5.15.0-1027.31
ubuntu/linux-xilinx-zynqmp<6.4~
6.4~

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=2208849

Remedy

https://git.kernel.org/linus/e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9

Remedy

https://git.kernel.org/linus/f5c779b7ddbda30866cf2a27c63e34158f858c73

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