Vulnerability · Published Nov 21, 2023 · Assigned by redhat
CVE-2023-6238Kernel: nvme: memory corruption via unprivileged user passthrough
Medium 6.7
In plain English
A medium-severity buffer overflow 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 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.3%top 78.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A buffer overflow vulnerability was found in the NVM Express (NVMe) driver in the Linux kernel. Only privileged user could specify a small meta buffer and let the device perform larger Direct Memory Access (DMA) into the same buffer, overwriting unrelated kernel memory, causing random kernel crashes and memory corruption.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | linux | no fix listed | DEBIAN-CVE-2023-6238 |
| Debian:14 | linux | no fix listed | DEBIAN-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:25.10 | linux | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.10 | linux | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-aws | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:25.10 | linux-aws | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-aws | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.10 | linux-aws | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-aws-6.14 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-aws-6.17 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-aws-7.0 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-azure | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:25.10 | linux-azure | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-azure | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.10 | linux-azure | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-azure-6.14 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-azure-6.17 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-azure-7.0 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-azure-fde | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:25.10 | linux-azure-fde | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-azure-fde | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.10 | linux-azure-fde | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.14 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.17 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.8 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-azure-fde-7.0 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-azure-nvidia-6.14 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-gcp | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:25.10 | linux-gcp | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-gcp | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.10 | linux-gcp | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-gcp-6.14 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-gcp-6.17 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-gcp-7.0 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-gke | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-gke | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-gkeop | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-hwe-6.14 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-hwe-6.17 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-hwe-7.0 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-ibm | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-ibm | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-intel | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-lowlatency | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-nvidia | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-nvidia | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-nvidia-6.17 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-nvidia-7.0 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-nvidia-bos | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-oem-6.14 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-oem-6.17 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-oem-7.0 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-oracle | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:25.10 | linux-oracle | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-oracle | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.10 | linux-oracle | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-oracle-6.14 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-oracle-6.17 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-oracle-7.0 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:25.10 | linux-raspi | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.10 | linux-raspi | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:25.10 | linux-realtime | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.10 | linux-realtime | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:25.10 | linux-riscv | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:26.10 | linux-riscv | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-riscv-6.14 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-riscv-6.17 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-riscv-7.0 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-vmware | no fix listed | UBUNTU-CVE-2023-6238 |
| Ubuntu:24.04:LTS | linux-xilinx | no fix listed | UBUNTU-CVE-2023-6238 |
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-120 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- https://access.redhat.com/security/cve/CVE-2023-6238 vdb-entry, x_refsource_REDHAT
- RHBZ#2250834 issue-tracking, x_refsource_REDHAT