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    <lastBuildDate>Tue, 29 Sep 2026 03:51:47 +0000</lastBuildDate>
    <item>
      <title>CVE-2025-68330 — iio: accel: bmc150: Fix irq assumption regression</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-68330</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;iio: accel: bmc150: Fix irq assumption regression&lt;/p&gt;
&lt;p&gt;The code in bmc150-accel-core.c unconditionally calls
bmc150_accel_set_interrupt() in the iio_buffer_setup_ops,
such as on the runtime PM resume path giving a kernel
splat like this if the device has no interrupts:&lt;/p&gt;
&lt;p&gt;Unable to handle kernel NULL pointer dereference at virtual
  address 00000001 when read&lt;/p&gt;
&lt;p&gt;PC is at bmc150_accel_set_interrupt+0x98/0x194
LR is at __pm_runtime_resume+0x5c/0x64
(...)
Call trace:
bmc150_accel_set_interrupt from bmc150_accel_buffer_postenable+0x40/0x108
bmc150_accel_buffer_postenable from __iio_update_buffers+0xbe0/0xcbc
__iio_update_buffers from enable_store+0x84/0xc8
enable_store from kernfs_fop_write_iter+0x154/0x1b4&lt;/p&gt;
&lt;p&gt;This bug seems to have been in the driver since the beginning,
but it only manifests recently, I do not know why.&lt;/p&gt;
&lt;p&gt;Store the IRQ number in the state struct, as this is a common
pattern in other drivers, then use this to determine if we have
IRQ support or not.&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;iio: accel: bmc150: Fix irq assumption regression&lt;/p&gt;
&lt;p&gt;The code in bmc150-accel-core.c unconditionally calls
bmc150_accel_set_interrupt() in the iio_buffer_setup_ops,
such as on the runtime PM resume path giving a kernel
splat like this if the device has no interrupts:&lt;/p&gt;
&lt;p&gt;Unable to handle kernel NULL pointer dereference at virtual
  address 00000001 when read&lt;/p&gt;
&lt;p&gt;PC is at bmc150_accel_set_interrupt+0x98/0x194
LR is at __pm_runtime_resume+0x5c/0x64
(...)
Call trace:
bmc150_accel_set_interrupt from bmc150_accel_buffer_postenable+0x40/0x108
bmc150_accel_buffer_postenable from __iio_update_buffers+0xbe0/0xcbc
__iio_update_buffers from enable_store+0x84/0xc8
enable_store from kernfs_fop_write_iter+0x154/0x1b4&lt;/p&gt;
&lt;p&gt;This bug seems to have been in the driver since the beginning,
but it only manifests recently, I do not know why.&lt;/p&gt;
&lt;p&gt;Store the IRQ number in the state struct, as this is a common
pattern in other drivers, then use this to determine if we have
IRQ support or not.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2025-68330</guid>
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