Vulnerability · Published Mar 1, 2023 · Assigned by mitre
CVE-2023-23000
Medium 5.5
In plain English
A medium-severity null pointer dereference 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 0.3% (higher than 19% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 80.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In the Linux kernel before 5.17, drivers/phy/tegra/xusb.c mishandles the tegra_xusb_find_port_node return value. Callers expect NULL in the error case, but an error pointer is used.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.17.3-1 | DEBIAN-CVE-2023-23000 |
| Debian:13 | linux | 5.17.3-1 | DEBIAN-CVE-2023-23000 |
| Debian:14 | linux | 5.17.3-1 | DEBIAN-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux | 5.15.0-101.111 | USN-6704-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-101.111 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1056.61 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1056.61 | USN-6705-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1059.67 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1059.67 | USN-6704-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1059.67.1 | USN-6704-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1059.67.1 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1054.62 | USN-6704-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1054.62 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1053.58 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1053.58 | USN-6704-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1039.45 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1039.45 | USN-6704-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1049.52 | USN-6704-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1049.52 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1051.57 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1051.57 | USN-6704-4 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1053.58 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1053.58 | USN-6704-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-101.111 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-101.111 | USN-6704-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1047.47 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1047.47 | USN-6704-1 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1025.25 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1012.12 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1054.60 | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1054.60 | USN-6704-3 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1049.52 | USN-6704-2 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1049.52 | UBUNTU-CVE-2023-23000 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-23000 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1030.34 | UBUNTU-CVE-2023-23000 |
Affected products (as reported)
Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H