Vulnerability · Published Nov 1, 2023 · Assigned by redhat

CVE-2023-1193Use-after-free in setup_async_work()

Medium 6.5

In plain English

A medium-severity use-after-free in Fedora from Fedora. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.0%top 35.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.76-1DEBIAN-CVE-2023-1193
Debian:13linux6.3.7-1DEBIAN-CVE-2023-1193
Debian:14linux6.3.7-1DEBIAN-CVE-2023-1193
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2023-1193
Ubuntu:25.10linuxno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinuxno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.10linuxno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2023-1193
Ubuntu:25.10linux-awsno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-awsno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.10linux-awsno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-aws-7.0no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2023-1193
Ubuntu:25.10linux-azureno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-azureno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.10linux-azureno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-azure-7.0no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.10linux-azure-fdeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-azure-fde-7.0no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2023-1193
Ubuntu:25.10linux-gcpno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.10linux-gcpno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-gcp-7.0no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-hwe-7.0no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-nvidia-7.0no fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-nvidia-bosno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-oem-7.0no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2023-1193
Ubuntu:25.10linux-oracleno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.10linux-oracleno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-oracle-7.0no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2023-1193
Ubuntu:25.10linux-raspino fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-raspino fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.10linux-raspino fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:25.10linux-realtimeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.10linux-realtimeno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-1193
Ubuntu:25.10linux-riscvno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-1193
Ubuntu:26.10linux-riscvno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-riscv-7.0no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2023-1193
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2023-1193
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2023-1193

Affected products (as reported)

VendorProductVersions
n/a Kernel see references
Red Hat Red Hat Enterprise Linux 6 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Fedora Fedora see references

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References