CVE-2023-1193
Fixed in a distro release EPSS 1%CVSS 6.5
A use-after-free flaw was found in setup_async_work in the KSMBD implementation of the in-kernel samba server and CIFS in the Linux kernel. This issue could allow an attacker to crash the system by accessing freed work.
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 | 6.1.76-1 |
| 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-5.8 | 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-5.8 | no fix |
| 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-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-gke-5.15 | no fix |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | no fix |
| 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-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-intel-5.13 | no fix |
| 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-5.6 | 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-5.8 | 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-5.8 | no fix |
| Ubuntu 22.04 LTS | linux | no fix |
| Ubuntu 22.04 LTS | linux-allwinner-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-aws | no fix |
| Ubuntu 22.04 LTS | linux-aws-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-aws-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-aws-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-aws-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-azure | no fix |
| Ubuntu 22.04 LTS | linux-azure-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-azure-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-azure-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-azure-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-azure-fde | no fix |
| Ubuntu 22.04 LTS | linux-azure-fde-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-azure-fde-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-azure-fde-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-gcp | no fix |
| Ubuntu 22.04 LTS | linux-gcp-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-gcp-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-gcp-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-gcp-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-gke | no fix |
| Ubuntu 22.04 LTS | linux-gkeop | no fix |
| Ubuntu 22.04 LTS | linux-hwe-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-hwe-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-hwe-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-hwe-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-ibm | no fix |
| Ubuntu 22.04 LTS | linux-ibm-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-intel-iot-realtime | no fix |
| Ubuntu 22.04 LTS | linux-intel-iotg | no fix |
| Ubuntu 22.04 LTS | linux-kvm | no fix |
| Ubuntu 22.04 LTS | linux-lowlatency | no fix |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-nvidia | no fix |
| Ubuntu 22.04 LTS | linux-nvidia-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-nvidia-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-nvidia-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | no fix |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | no fix |
| 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 | no fix |
| Ubuntu 22.04 LTS | linux-oem-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-oracle | no fix |
| Ubuntu 22.04 LTS | linux-oracle-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-oracle-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-raspi | no fix |
| 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-riscv-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-riscv-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-starfive-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-starfive-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-starfive-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | no fix |
| Ubuntu 24.04 LTS | linux | no fix |
| Ubuntu 24.04 LTS | linux-aws | no fix |
| Ubuntu 24.04 LTS | linux-aws-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-aws-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-aws-7.0 | no fix |
| Ubuntu 24.04 LTS | linux-azure | no fix |
| Ubuntu 24.04 LTS | linux-azure-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-azure-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-azure-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-azure-7.0 | no fix |
| Ubuntu 24.04 LTS | linux-azure-fde | no fix |
| Ubuntu 24.04 LTS | linux-azure-fde-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-azure-fde-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-azure-fde-7.0 | no fix |
| Ubuntu 24.04 LTS | linux-azure-nvidia | no fix |
| Ubuntu 24.04 LTS | linux-azure-nvidia-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-gcp | no fix |
| Ubuntu 24.04 LTS | linux-gcp-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-gcp-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-gcp-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-gcp-7.0 | no fix |
| Ubuntu 24.04 LTS | linux-gke | no fix |
| Ubuntu 24.04 LTS | linux-gkeop | no fix |
| Ubuntu 24.04 LTS | linux-hwe-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-hwe-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-hwe-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-hwe-7.0 | no fix |
| Ubuntu 24.04 LTS | linux-ibm | no fix |
| Ubuntu 24.04 LTS | linux-intel | no fix |
| Ubuntu 24.04 LTS | linux-lowlatency | no fix |
| Ubuntu 24.04 LTS | linux-lowlatency-hwe-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-nvidia | no fix |
| Ubuntu 24.04 LTS | linux-nvidia-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-nvidia-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-nvidia-7.0 | no fix |
| Ubuntu 24.04 LTS | linux-nvidia-lowlatency | no fix |
| Ubuntu 24.04 LTS | linux-nvidia-tegra | no fix |
| Ubuntu 24.04 LTS | linux-oem-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-oem-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-oem-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-oem-6.8 | no fix |
| Ubuntu 24.04 LTS | linux-oracle | no fix |
| Ubuntu 24.04 LTS | linux-oracle-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-oracle-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-oracle-7.0 | no fix |
| Ubuntu 24.04 LTS | linux-raspi | no fix |
| Ubuntu 24.04 LTS | linux-raspi-realtime | no fix |
| Ubuntu 24.04 LTS | linux-realtime | no fix |
| Ubuntu 24.04 LTS | linux-riscv | no fix |
| Ubuntu 24.04 LTS | linux-riscv-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-riscv-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-riscv-7.0 | no fix |
| Ubuntu 24.04 LTS | linux-vmware | no fix |
| Ubuntu 24.04 LTS | linux-xilinx | no fix |
| Ubuntu 25.10 | linux | no fix |
| Ubuntu 25.10 | linux-aws | no fix |
| Ubuntu 25.10 | linux-azure | no fix |
| Ubuntu 25.10 | linux-azure-fde | no fix |
| Ubuntu 25.10 | linux-gcp | no fix |
| Ubuntu 25.10 | linux-oracle | no fix |
| Ubuntu 25.10 | linux-raspi | no fix |
| Ubuntu 25.10 | linux-realtime | no fix |
| Ubuntu 25.10 | linux-riscv | no fix |
| Ubuntu 26.04 LTS | linux | no fix |
| Ubuntu 26.04 LTS | linux-aws | no fix |
| Ubuntu 26.04 LTS | linux-azure | no fix |
| Ubuntu 26.04 LTS | linux-azure-fde | no fix |
| Ubuntu 26.04 LTS | linux-gcp | no fix |
| Ubuntu 26.04 LTS | linux-gke | no fix |
| Ubuntu 26.04 LTS | linux-ibm | no fix |
| Ubuntu 26.04 LTS | linux-nvidia | no fix |
| Ubuntu 26.04 LTS | linux-nvidia-bos | no fix |
| Ubuntu 26.04 LTS | linux-oem-7.0 | no fix |
| Ubuntu 26.04 LTS | linux-oracle | no fix |
| Ubuntu 26.04 LTS | linux-raspi | no fix |
| Ubuntu 26.04 LTS | linux-realtime | no fix |
| Ubuntu 26.04 LTS | linux-riscv | no fix |
| Ubuntu 26.10 | linux | no fix |
| Ubuntu 26.10 | linux-aws | no fix |
| Ubuntu 26.10 | linux-azure | no fix |
| Ubuntu 26.10 | linux-azure-fde | no fix |
| Ubuntu 26.10 | linux-gcp | no fix |
| Ubuntu 26.10 | linux-oracle | no fix |
| Ubuntu 26.10 | linux-raspi | no fix |
| Ubuntu 26.10 | linux-realtime | no fix |
| Ubuntu 26.10 | linux-riscv | no fix |
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | no fix |
| Ubuntu Nvidia-BlueField 24.04 LTS | linux-bluefield | no fix |
| Ubuntu Pro 20.04 LTS | linux-aws-5.15 | no fix |
| Ubuntu Pro 20.04 LTS | linux-azure-5.15 | no fix |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | no fix |
| Ubuntu Pro 20.04 LTS | linux-gcp-5.15 | no fix |
| Ubuntu Pro 20.04 LTS | linux-hwe-5.15 | no fix |
| Ubuntu Pro 20.04 LTS | linux-ibm-5.15 | no fix |
| Ubuntu Pro 20.04 LTS | linux-intel-iotg-5.15 | no fix |
| Ubuntu Pro 20.04 LTS | linux-lowlatency-hwe-5.15 | no fix |
| Ubuntu Pro 20.04 LTS | linux-nvidia-tegra-5.15 | no fix |
| Ubuntu Pro 20.04 LTS | linux-oracle-5.15 | no fix |
| Ubuntu Pro 20.04 LTS | linux-riscv-5.15 | no fix |
| 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 | no fix |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-azure-fips | no fix |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips | no fix |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-gcp-fips | no fix |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-aws-fips | no fix |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-azure-fips | no fix |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-fips | no fix |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-gcp-fips | no fix |
| Ubuntu Pro Realtime 22.04 LTS | linux-intel-iot-realtime | no fix |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | no fix |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime-6.8 | no fix |
| Ubuntu Pro Realtime 24.04 LTS | linux-raspi-realtime | no fix |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime | no fix |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime-6.14 | no fix |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime-6.17 | no fix |