https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 06:20:11 +0000 https://vulnerability.circl.lu/vuln/cve-2026-72172 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>mm/mm_init: fix uninitialized struct pages for ZONE_DEVICE</p> <p>If DAX memory is hotplugged into an unoccupied subsection of an early section, section_activate() reuses the unoptimized boot memmap. However, compound_nr_pages() still assumes that vmemmap optimization is in effect and initializes only the reduced number of struct pages. As a result, the remaining tail struct pages are left uninitialized, which can later lead to unexpected behavior or crashes.</p> <p>Fix this by treating early sections as unoptimized when calculating how many struct pages to initialize.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>mm/mm_init: fix uninitialized struct pages for ZONE_DEVICE</p> <p>If DAX memory is hotplugged into an unoccupied subsection of an early section, section_activate() reuses the unoptimized boot memmap. However, compound_nr_pages() still assumes that vmemmap optimization is in effect and initializes only the reduced number of struct pages. As a result, the remaining tail struct pages are left uninitialized, which can later lead to unexpected behavior or crashes.</p> <p>Fix this by treating early sections as unoptimized when calculating how many struct pages to initialize.</p> https://vulnerability.circl.lu/vuln/cve-2026-72172