https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 06:44:08 +0000 https://vulnerability.circl.lu/vuln/cve-2026-93097 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>cxl/mbox: Break poison list loop on an empty payload</p> <p>A device that returns count == 0 with CXL_POISON_FLAG_MORE set on every iteration never advances nr_records, so the max_errors guard never trips and the do/while loops forever while holding poison.mutex. That hangs the sysfs-triggered scan thread and blocks all subsequent poison operations on the device. The existing &#34;Protect against an uncleared _FLAG_MORE&#34; guard was intended to bound a misbehaving device but does not cover the count == 0 case.</p> <p>Stop the loop on an empty payload so a malfunctioning or malicious device cannot wedge the poison scan.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>cxl/mbox: Break poison list loop on an empty payload</p> <p>A device that returns count == 0 with CXL_POISON_FLAG_MORE set on every iteration never advances nr_records, so the max_errors guard never trips and the do/while loops forever while holding poison.mutex. That hangs the sysfs-triggered scan thread and blocks all subsequent poison operations on the device. The existing &#34;Protect against an uncleared _FLAG_MORE&#34; guard was intended to bound a misbehaving device but does not cover the count == 0 case.</p> <p>Stop the loop on an empty payload so a malfunctioning or malicious device cannot wedge the poison scan.</p> https://vulnerability.circl.lu/vuln/cve-2026-93097