Vulnerability · Published Aug 19, 2025 · Assigned by Linux
CVE-2025-38583clk: xilinx: vcu: unregister pll_post only if registered correctly
Medium 5.5
In plain English
A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In the Linux kernel, the following vulnerability has been resolved: clk: xilinx: vcu: unregister pll_post only if registered correctly If registration of pll_post is failed, it will be set to NULL or ERR, unregistering same will fail with following call trace: Unable to handle kernel NULL pointer dereference at virtual address 008 pc : clk_hw_unregister+0xc/0x20 lr : clk_hw_unregister_fixed_factor+0x18/0x30 sp : ffff800011923850 ... Call trace: clk_hw_unregister+0xc/0x20 clk_hw_unregister_fixed_factor+0x18/0x30 xvcu_unregister_clock_provider+0xcc/0xf4 [xlnx_vcu] xvcu_probe+0x2bc/0x53c [xlnx_vcu]
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.148-1 | DEBIAN-CVE-2025-38583 |
| Debian:13 | linux | 6.12.43-1 | DEBIAN-CVE-2025-38583 |
| Debian:14 | linux | 6.16.3-1 | DEBIAN-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux | 5.15.0-163.173 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux | 6.8.0-100.100 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1097.104 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1046.49 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-aws-6.14 | 6.14.0-1017.17~24.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1046.49~22.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1101.110 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1046.52 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-azure-6.14 | 6.14.0-1017.17~24.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1051.57~22.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1102.111.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-azure-fde | 6.8.0-1046.53 | UBUNTU-CVE-2025-38583 |
| Ubuntu:25.10 | linux-azure-fde | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.14 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.8 | 6.8.0-1046.53~22.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-azure-nvidia-6.14 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1097.106 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1047.50 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-gcp-6.14 | 6.14.0-1020.21~24.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1047.50~22.04.2 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1093.99 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1043.48 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1080.88 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1030.33 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-100.100~22.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1091.94 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1044.44 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | 6.8.0-1044.44~22.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-intel | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1092.98 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1089.94 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-163.173 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-100.100.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-100.100.1~22.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1092.93 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1046.49 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1046.49~22.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1046.49.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1049.49 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | 6.8.0-1020.20 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1038.38 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-oem-6.14 | 6.14.0-1016.16 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1094.100 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1043.44 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-oracle-6.14 | 6.14.0-1017.17~24.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1043.44~22.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1091.94 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1047.51 | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-riscv-6.14 | 6.14.0-36.36.1~24.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-100.100~22.04.1 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2025-38583 |
| Ubuntu:24.04:LTS | linux-xilinx | 6.8.0-1023.24 | UBUNTU-CVE-2025-38583 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1061.65 | UBUNTU-CVE-2025-38583 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 4472e1849db7f719bbf625890096e0269b5849fe – before 7e903da71f8bec4beb7c06707900e1ed8db843ca4472e1849db7f719bbf625890096e0269b5849fe – before 88bd875b7f9c3652c27d6e4bb7a23701b764f7624472e1849db7f719bbf625890096e0269b5849fe – before 51990eecf22f446550befdfd1a9f54147eafd6364472e1849db7f719bbf625890096e0269b5849fe – before f1a1be99d5ae53d3b404415f1665eb59e8e02a8c4472e1849db7f719bbf625890096e0269b5849fe – before 86124c5cfceb5ac04d2fddbf1b6f7147332d96a34472e1849db7f719bbf625890096e0269b5849fe – before a72b1c2d3b53e088bfaeb593949ff6fbd2cbe8ed4472e1849db7f719bbf625890096e0269b5849fe – before 3b0abc443ac22f7d4f61ddbbbbc5dbb06c87139d |
| Linux | Linux | 5.12 |
References
- https://git.kernel.org/stable/c/7e903da71f8bec4beb7c06707900e1ed8db843ca
- https://git.kernel.org/stable/c/88bd875b7f9c3652c27d6e4bb7a23701b764f762
- https://git.kernel.org/stable/c/51990eecf22f446550befdfd1a9f54147eafd636
- https://git.kernel.org/stable/c/f1a1be99d5ae53d3b404415f1665eb59e8e02a8c
- https://git.kernel.org/stable/c/86124c5cfceb5ac04d2fddbf1b6f7147332d96a3
- https://git.kernel.org/stable/c/a72b1c2d3b53e088bfaeb593949ff6fbd2cbe8ed
- https://git.kernel.org/stable/c/3b0abc443ac22f7d4f61ddbbbbc5dbb06c87139d
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html