CVE-2023-32252
Fixed in a distro release EPSS 4%CVSS 7.5
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_LOGOFF commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Products: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Fedora
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | linux | 6.1.37-1 |
| Debian 13 | linux | 6.3.7-1 |
| Debian 14 | linux | 6.3.7-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | no fix |
| Ubuntu 18.04 LTS | linux-aws-5.0 | no fix |
| Ubuntu 18.04 LTS | linux-aws-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-azure | no fix |
| Ubuntu 18.04 LTS | linux-azure-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-azure-edge | no fix |
| Ubuntu 18.04 LTS | linux-gcp | no fix |
| Ubuntu 18.04 LTS | linux-gcp-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-gke-4.15 | no fix |
| Ubuntu 18.04 LTS | linux-gke-5.4 | no fix |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | no fix |
| Ubuntu 18.04 LTS | linux-hwe | no fix |
| Ubuntu 18.04 LTS | linux-oem | no fix |
| Ubuntu 18.04 LTS | linux-oracle-5.0 | no fix |
| Ubuntu 18.04 LTS | linux-oracle-5.3 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1053.58~20.04.1 |
| Ubuntu 20.04 LTS | linux-aws-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1056.64~20.04.1 |
| Ubuntu 20.04 LTS | linux-azure-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1056.64~20.04.1.1 |
| Ubuntu 20.04 LTS | linux-gcp-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-gcp-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1051.59~20.04.1 |
| Ubuntu 20.04 LTS | linux-gcp-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-gke | no fix |
| Ubuntu 20.04 LTS | linux-gke-5.15 | no fix |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1036.42~20.04.1 |
| Ubuntu 20.04 LTS | linux-hwe-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-hwe-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-hwe-5.15 | 5.15.0-94.104~20.04.1 |
| Ubuntu 20.04 LTS | linux-hwe-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-ibm-5.15 | 5.15.0-1046.49~20.04.1 |
| Ubuntu 20.04 LTS | linux-intel-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1048.54~20.04.1 |
| Ubuntu 20.04 LTS | linux-lowlatency-hwe-5.15 | 5.15.0-94.104~20.04.1 |
| Ubuntu 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1022.22~20.04.1 |
| Ubuntu 20.04 LTS | linux-oem-5.10 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.14 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.6 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1051.57~20.04.1 |
| Ubuntu 20.04 LTS | linux-oracle-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-raspi2 | no fix |
| Ubuntu 20.04 LTS | linux-riscv | no fix |
| Ubuntu 20.04 LTS | linux-riscv-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1049.53~20.04.2 |
| Ubuntu 20.04 LTS | linux-riscv-5.8 | no fix |
| Ubuntu 22.04 LTS | linux | 5.15.0-94.104 |
| Ubuntu 22.04 LTS | linux-allwinner-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1053.58 |
| Ubuntu 22.04 LTS | linux-aws-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-aws-6.2 | 6.2.0-1011.11~22.04.1 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1056.64 |
| Ubuntu 22.04 LTS | linux-azure-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1056.64.1 |
| Ubuntu 22.04 LTS | linux-azure-fde-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1051.59 |
| Ubuntu 22.04 LTS | linux-gcp-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-gcp-6.2 | 6.2.0-1013.13~22.04.1 |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1050.55 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1036.42 |
| Ubuntu 22.04 LTS | linux-hwe-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-hwe-6.2 | 6.2.0-32.32~22.04.1 |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1046.49 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1047.53 |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1050.55 |
| Ubuntu 22.04 LTS | linux-lowlatency | 5.15.0-94.104 |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1012.12~22.04.1 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1044.44 |
| Ubuntu 22.04 LTS | linux-nvidia-6.2 | 6.2.0-1010.10 |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | 5.15.0-1022.22 |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | 5.15.0-1009.9 |
| Ubuntu 22.04 LTS | linux-oem-5.17 | no fix |
| Ubuntu 22.04 LTS | linux-oem-6.0 | no fix |
| Ubuntu 22.04 LTS | linux-oem-6.1 | 6.1.0-1014.14 |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1051.57 |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1046.49 |
| Ubuntu 22.04 LTS | linux-realtime | no fix |
| Ubuntu 22.04 LTS | linux-riscv | no fix |
| Ubuntu 22.04 LTS | linux-riscv-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-starfive-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1027.31 |
| Ubuntu 24.04 LTS | linux-raspi-realtime | no fix |
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1035.37 |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-aws-fips | no fix |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-azure-fips | no fix |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips | no fix |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-gcp-fips | no fix |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-aws-fips | 5.15.0-1053.58+fips1 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips | 5.15.0-94.104+fips1 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-gcp-fips | 5.15.0-1055.63+fips2 |
| Ubuntu Pro Realtime 22.04 LTS | linux-intel-iot-realtime | 5.15.0-1046.48 |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1054.60 |