Vulnerability · Published Jul 10, 2023 · Assigned by redhat
CVE-2023-32250Session race condition remote code execution vulnerability
Critical 9.0
In plain English
A critical-severity race condition 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 2.6% (higher than 85% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.0Critical
Exploit odds (30 days)2.6%top 14.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.37-1 | DSA-5448-1 |
| Debian:12 | linux | 6.1.37-1 | DEBIAN-CVE-2023-32250 |
| Debian:13 | linux | 6.3.7-1 | DEBIAN-CVE-2023-32250 |
| Debian:14 | linux | 6.3.7-1 | DEBIAN-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux | 5.15.0-94.104 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux | 5.15.0-94.104 | USN-6626-1 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1053.58 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1053.58 | USN-6626-1 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | 6.2.0-1011.11~22.04.1 | USN-6338-1 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | 6.2.0-1011.11~22.04.1 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1056.64 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1056.64 | USN-6626-3 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1056.64.1 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1056.64.1 | USN-6626-3 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1051.59 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1051.59 | USN-6626-1 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1013.13~22.04.1 | USN-6338-2 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1013.13~22.04.1 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1050.55 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1050.55 | USN-6626-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1036.42 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1036.42 | USN-6626-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-32.32~22.04.1 | USN-6338-1 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-32.32~22.04.1 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1046.49 | USN-6626-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1046.49 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1047.53 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1047.53 | USN-6628-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1050.55 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1050.55 | USN-6626-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-94.104 | USN-6626-2 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-94.104 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1012.12~22.04.1 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1012.12~22.04.1 | USN-6338-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1044.44 | USN-6626-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1044.44 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | 6.2.0-1010.10 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1022.22 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1009.9 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1014.14 | USN-6173-1 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1014.14 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1051.57 | USN-6626-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1051.57 | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1046.49 | USN-6626-2 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1046.49 | UBUNTU-CVE-2023-32250 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-32250 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1027.31 | UBUNTU-CVE-2023-32250 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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-362 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
References
- https://access.redhat.com/security/cve/CVE-2023-32250 vdb-entry, x_refsource_REDHAT
- RHBZ#2208849 issue-tracking, x_refsource_REDHAT
- https://www.zerodayinitiative.com/advisories/ZDI-23-698/
- https://security.netapp.com/advisory/ntap-20230824-0004/