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CVE-2025-38583

clk: xilinx: vcu: unregister pll_post only if registered correctly

EPSS 0.1%
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]
Productos afectados
Linux · Linux

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Referencias
https://git.kernel.org/stable/c/3b0abc443ac22f7d4f61ddbbbbc5dbb06c87139dhttps://git.kernel.org/stable/c/51990eecf22f446550befdfd1a9f54147eafd636https://git.kernel.org/stable/c/7e903da71f8bec4beb7c06707900e1ed8db843cahttps://git.kernel.org/stable/c/86124c5cfceb5ac04d2fddbf1b6f7147332d96a3https://git.kernel.org/stable/c/88bd875b7f9c3652c27d6e4bb7a23701b764f762https://git.kernel.org/stable/c/a72b1c2d3b53e088bfaeb593949ff6fbd2cbe8edhttps://git.kernel.org/stable/c/f1a1be99d5ae53d3b404415f1665eb59e8e02a8chttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html