https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 02 Oct 2026 04:24:45 +0000 https://vulnerability.circl.lu/vuln/cve-2024-44965 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>x86/mm: Fix pti_clone_pgtable() alignment assumption</p> <p>Guenter reported dodgy crashes on an i386-nosmp build using GCC-11 that had the form of endless traps until entry stack exhaust and then #DF from the stack guard.</p> <p>It turned out that pti_clone_pgtable() had alignment assumptions on the start address, notably it hard assumes start is PMD aligned. This is true on x86_64, but very much not true on i386.</p> <p>These assumptions can cause the end condition to malfunction, leading to a &#39;short&#39; clone. Guess what happens when the user mapping has a short copy of the entry text?</p> <p>Use the correct increment form for addr to avoid alignment assumptions.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>x86/mm: Fix pti_clone_pgtable() alignment assumption</p> <p>Guenter reported dodgy crashes on an i386-nosmp build using GCC-11 that had the form of endless traps until entry stack exhaust and then #DF from the stack guard.</p> <p>It turned out that pti_clone_pgtable() had alignment assumptions on the start address, notably it hard assumes start is PMD aligned. This is true on x86_64, but very much not true on i386.</p> <p>These assumptions can cause the end condition to malfunction, leading to a &#39;short&#39; clone. Guess what happens when the user mapping has a short copy of the entry text?</p> <p>Use the correct increment form for addr to avoid alignment assumptions.</p> https://vulnerability.circl.lu/vuln/cve-2024-44965