https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 23:04:13 +0000 https://vulnerability.circl.lu/vuln/cve-2023-52576 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()</p> <p>The code calling ima_free_kexec_buffer() runs long after the memblock allocator has already been torn down, potentially resulting in a use after free in memblock_isolate_range().</p> <p>With KASAN or KFENCE, this use after free will result in a BUG from the idle task, and a subsequent kernel panic.</p> <p>Switch ima_free_kexec_buffer() over to memblock_free_late() to avoid that bug.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()</p> <p>The code calling ima_free_kexec_buffer() runs long after the memblock allocator has already been torn down, potentially resulting in a use after free in memblock_isolate_range().</p> <p>With KASAN or KFENCE, this use after free will result in a BUG from the idle task, and a subsequent kernel panic.</p> <p>Switch ima_free_kexec_buffer() over to memblock_free_late() to avoid that bug.</p> https://vulnerability.circl.lu/vuln/cve-2023-52576