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    <lastBuildDate>Mon, 05 Oct 2026 16:18:44 +0000</lastBuildDate>
    <item>
      <title>CVE-2024-50292 — ASoC: stm32: spdifrx: fix dma channel release in stm32_spdifrx_remove</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2024-50292</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;ASoC: stm32: spdifrx: fix dma channel release in stm32_spdifrx_remove&lt;/p&gt;
&lt;p&gt;In case of error when requesting ctrl_chan DMA channel, ctrl_chan is not
null. So the release of the dma channel leads to the following issue:
[    4.879000] st,stm32-spdifrx 500d0000.audio-controller:
dma_request_slave_channel error -19
[    4.888975] Unable to handle kernel NULL pointer dereference
at virtual address 000000000000003d
[...]
[    5.096577] Call trace:
[    5.099099]  dma_release_channel+0x24/0x100
[    5.103235]  stm32_spdifrx_remove+0x24/0x60 [snd_soc_stm32_spdifrx]
[    5.109494]  stm32_spdifrx_probe+0x320/0x4c4 [snd_soc_stm32_spdifrx]&lt;/p&gt;
&lt;p&gt;To avoid this issue, release channel only if the pointer is valid.&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;ASoC: stm32: spdifrx: fix dma channel release in stm32_spdifrx_remove&lt;/p&gt;
&lt;p&gt;In case of error when requesting ctrl_chan DMA channel, ctrl_chan is not
null. So the release of the dma channel leads to the following issue:
[    4.879000] st,stm32-spdifrx 500d0000.audio-controller:
dma_request_slave_channel error -19
[    4.888975] Unable to handle kernel NULL pointer dereference
at virtual address 000000000000003d
[...]
[    5.096577] Call trace:
[    5.099099]  dma_release_channel+0x24/0x100
[    5.103235]  stm32_spdifrx_remove+0x24/0x60 [snd_soc_stm32_spdifrx]
[    5.109494]  stm32_spdifrx_probe+0x320/0x4c4 [snd_soc_stm32_spdifrx]&lt;/p&gt;
&lt;p&gt;To avoid this issue, release channel only if the pointer is valid.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2024-50292</guid>
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