CVE-2025-38583
Published: August 20, 2025Last modified: August 20, 2025
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]
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.151-r0) |
| 25 LTS | linux-lts | Fixed (6.12.44-r0) | |
| Stream | linux-lts | Fixed (6.12.43-r0) |
References
- https://git.kernel.org/stable/c/3b0abc443ac22f7d4f61ddbbbbc5dbb06c87139d
- https://git.kernel.org/stable/c/51990eecf22f446550befdfd1a9f54147eafd636
- https://git.kernel.org/stable/c/7e903da71f8bec4beb7c06707900e1ed8db843ca
- https://git.kernel.org/stable/c/86124c5cfceb5ac04d2fddbf1b6f7147332d96a3
- https://git.kernel.org/stable/c/88bd875b7f9c3652c27d6e4bb7a23701b764f762
- https://git.kernel.org/stable/c/a72b1c2d3b53e088bfaeb593949ff6fbd2cbe8ed
- https://git.kernel.org/stable/c/f1a1be99d5ae53d3b404415f1665eb59e8e02a8c
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html