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    <title>Most recent entries from all</title>
    <link>https://db.gcve.eu</link>
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    <lastBuildDate>Sat, 24 Oct 2026 23:11:23 +0000</lastBuildDate>
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      <title>CVE-2026-98967 — cxgb4/ch_ktls: disable softirqs around tid_list erases</title>
      <link>https://db.gcve.eu/vuln/cve-2026-98967</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;cxgb4/ch_ktls: disable softirqs around tid_list erases&lt;/p&gt;
&lt;p&gt;chcr_ktls_cpl_act_open_rpl() inserts into tid_list from the receive path
using xa_insert_bh().  The array is shared by the adapter&amp;#39;s connections
and initialized with XA_FLAGS_LOCK_BH.  However, chcr_ktls_dev_del() and
the chcr_ktls_dev_add() error path use xa_erase(), which takes the XArray
lock without disabling softirqs.&lt;/p&gt;
&lt;p&gt;When cleanup runs with softirqs enabled, a receive softirq for another
connection on the same CPU can interrupt the erase and spin on the lock
held by the interrupted task.  Use xa_erase_bh() at both sites to match
the insertion path.&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;cxgb4/ch_ktls: disable softirqs around tid_list erases&lt;/p&gt;
&lt;p&gt;chcr_ktls_cpl_act_open_rpl() inserts into tid_list from the receive path
using xa_insert_bh().  The array is shared by the adapter&amp;#39;s connections
and initialized with XA_FLAGS_LOCK_BH.  However, chcr_ktls_dev_del() and
the chcr_ktls_dev_add() error path use xa_erase(), which takes the XArray
lock without disabling softirqs.&lt;/p&gt;
&lt;p&gt;When cleanup runs with softirqs enabled, a receive softirq for another
connection on the same CPU can interrupt the erase and spin on the lock
held by the interrupted task.  Use xa_erase_bh() at both sites to match
the insertion path.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://db.gcve.eu/vuln/cve-2026-98967</guid>
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