Vulnerability · Published Jul 17, 2023 · Assigned by mitre
CVE-2023-38429
Critical 9.8
In plain English
A critical-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.2%top 32.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/connection.c in ksmbd has an off-by-one error in memory allocation (because of ksmbd_smb2_check_message) that may lead to out-of-bounds access.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.37-1 | DEBIAN-CVE-2023-38429 |
| Debian:13 | linux | 6.3.7-1 | DEBIAN-CVE-2023-38429 |
| Debian:14 | linux | 6.3.7-1 | DEBIAN-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux | 5.15.0-83.92 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux | 5.15.0-83.92 | USN-6339-1 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1044.49 | USN-6350-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1044.49 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-38429 |
| 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-2023-38429 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1046.53 | USN-6339-3 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1046.53 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1046.53.1 | USN-6339-3 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1046.53.1 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1041.49 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1041.49 | USN-6339-1 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1013.13~22.04.1 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1013.13~22.04.1 | USN-6338-2 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1041.46 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1041.46 | USN-6351-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1027.32 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1027.32 | USN-6351-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-32.32~22.04.1 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-32.32~22.04.1 | USN-6338-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1037.40 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1037.40 | USN-6339-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1039.45 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1039.45 | USN-6339-4 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1041.46 | USN-6339-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1041.46 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-83.92 | USN-6339-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-83.92 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-38429 |
| 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-lowlatency-hwe-6.2 | 6.2.0-1012.12~22.04.1 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1032.32 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1032.32 | USN-6339-1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | 6.2.0-1010.10 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1017.17 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1004.4 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1016.16 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1042.48 | USN-6350-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1042.48 | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1037.40 | USN-6339-3 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1037.40 | UBUNTU-CVE-2023-38429 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-38429 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1025.29 | UBUNTU-CVE-2023-38429 |