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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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      <title>CVE-2025-21849 — drm/i915/gt: Use spin_lock_irqsave() in interruptible context</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-21849</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;drm/i915/gt: Use spin_lock_irqsave() in interruptible context&lt;/p&gt;
&lt;p&gt;spin_lock/unlock() functions used in interrupt contexts could
result in a deadlock, as seen in GitLab issue #13399,
which occurs when interrupt comes in while holding a lock.&lt;/p&gt;
&lt;p&gt;Try to remedy the problem by saving irq state before spin lock
acquisition.&lt;/p&gt;
&lt;p&gt;v2: add irqs&amp;#39; state save/restore calls to all locks/unlocks in
 signal_irq_work() execution (Maciej)&lt;/p&gt;
&lt;p&gt;v3: use with spin_lock_irqsave() in guc_lrc_desc_unpin() instead
 of other lock/unlock calls and add Fixes and Cc tags (Tvrtko);
 change title and commit message&lt;/p&gt;
&lt;p&gt;(cherry picked from commit c088387ddd6482b40f21ccf23db1125e8fa4af7e)&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;drm/i915/gt: Use spin_lock_irqsave() in interruptible context&lt;/p&gt;
&lt;p&gt;spin_lock/unlock() functions used in interrupt contexts could
result in a deadlock, as seen in GitLab issue #13399,
which occurs when interrupt comes in while holding a lock.&lt;/p&gt;
&lt;p&gt;Try to remedy the problem by saving irq state before spin lock
acquisition.&lt;/p&gt;
&lt;p&gt;v2: add irqs&amp;#39; state save/restore calls to all locks/unlocks in
 signal_irq_work() execution (Maciej)&lt;/p&gt;
&lt;p&gt;v3: use with spin_lock_irqsave() in guc_lrc_desc_unpin() instead
 of other lock/unlock calls and add Fixes and Cc tags (Tvrtko);
 change title and commit message&lt;/p&gt;
&lt;p&gt;(cherry picked from commit c088387ddd6482b40f21ccf23db1125e8fa4af7e)&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2025-21849</guid>
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