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    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Fri, 02 Oct 2026 17:38:56 +0000</lastBuildDate>
    <item>
      <title>CVE-2025-38583 — clk: xilinx: vcu: unregister pll_post only if registered correctly</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-38583</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;clk: xilinx: vcu: unregister pll_post only if registered correctly&lt;/p&gt;
&lt;p&gt;If registration of pll_post is failed, it will be set to NULL or ERR,
unregistering same will fail with following call trace:&lt;/p&gt;
&lt;p&gt;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]&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;clk: xilinx: vcu: unregister pll_post only if registered correctly&lt;/p&gt;
&lt;p&gt;If registration of pll_post is failed, it will be set to NULL or ERR,
unregistering same will fail with following call trace:&lt;/p&gt;
&lt;p&gt;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]&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2025-38583</guid>
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