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    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Tue, 29 Sep 2026 15:22:43 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-72332 — accel/amdxdna: Prevent PM resume deadlock in hwctx_sync_debug_bo()</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-72332</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;accel/amdxdna: Prevent PM resume deadlock in hwctx_sync_debug_bo()&lt;/p&gt;
&lt;p&gt;amdxdna_hwctx_sync_debug_bo() invokes the hardware hwctx_sync_debug_bo()
callback while holding xdna-&amp;gt;dev_lock.&lt;/p&gt;
&lt;p&gt;The callback may call amdxdna_cmd_submit(), which in turn calls
amdxdna_pm_resume_get(). If the device is suspended,
amdxdna_pm_resume_get() may synchronously execute amdxdna_pm_resume(),
which also acquires xdna-&amp;gt;dev_lock, resulting in a deadlock.&lt;/p&gt;
&lt;p&gt;Avoid the deadlock by calling amdxdna_pm_resume_get() before holding
xdna-&amp;gt;dev_lock in both amdxdna_hwctx_sync_debug_bo() and
amdxdna_drm_config_hwctx_ioctl()&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;accel/amdxdna: Prevent PM resume deadlock in hwctx_sync_debug_bo()&lt;/p&gt;
&lt;p&gt;amdxdna_hwctx_sync_debug_bo() invokes the hardware hwctx_sync_debug_bo()
callback while holding xdna-&amp;gt;dev_lock.&lt;/p&gt;
&lt;p&gt;The callback may call amdxdna_cmd_submit(), which in turn calls
amdxdna_pm_resume_get(). If the device is suspended,
amdxdna_pm_resume_get() may synchronously execute amdxdna_pm_resume(),
which also acquires xdna-&amp;gt;dev_lock, resulting in a deadlock.&lt;/p&gt;
&lt;p&gt;Avoid the deadlock by calling amdxdna_pm_resume_get() before holding
xdna-&amp;gt;dev_lock in both amdxdna_hwctx_sync_debug_bo() and
amdxdna_drm_config_hwctx_ioctl()&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-72332</guid>
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