https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 19:13:26 +0000 https://vulnerability.circl.lu/vuln/cve-2026-74273 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>cxl/region: Block region delete during region creation</p> <p>Expand the range lock, rename it &#34;regions_lock&#34;, to disable region deletion in the critical period between construct_region() and attach_target(), as well as the period between device_add() and registering the remove actions.</p> <p>Otherwise, userspace can confuse the kernel. It can violate the assumption the region stays registered through the completion of cxl_add_to_region(). It can violate the assumption that devm_add_action_or_reset() is working with a live &#39;struct cxl_region&#39;.</p> <p>It is ok for the region to disappear outside of those windows as that mirrors device hotplug flows where the proper locks are held.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>cxl/region: Block region delete during region creation</p> <p>Expand the range lock, rename it &#34;regions_lock&#34;, to disable region deletion in the critical period between construct_region() and attach_target(), as well as the period between device_add() and registering the remove actions.</p> <p>Otherwise, userspace can confuse the kernel. It can violate the assumption the region stays registered through the completion of cxl_add_to_region(). It can violate the assumption that devm_add_action_or_reset() is working with a live &#39;struct cxl_region&#39;.</p> <p>It is ok for the region to disappear outside of those windows as that mirrors device hotplug flows where the proper locks are held.</p> https://vulnerability.circl.lu/vuln/cve-2026-74273