CVE-2025-38583: Debian Linux

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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 products

• Debian Debian Linux: version 11.0 only
• Linux Linux Kernel: from 5.12, before 5.15.190 (fixed in 5.15.190); from 5.16, before 6.1.148 (fixed in 6.1.148); from 6.2, before 6.6.102 (fixed in 6.6.102); from 6.7, before 6.12.42 (fixed in 6.12.42); from 6.13, before 6.15.10 (fixed in 6.15.10); from 6.16, before 6.16.1 (fixed in 6.16.1)

Published 2025-08-19. Last modified 2026-06-17.