https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sun, 04 Oct 2026 08:22:59 +0000 https://vulnerability.circl.lu/vuln/cve-2023-54050 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ubifs: Fix memleak when insert_old_idx() failed</p> <p>Following process will cause a memleak for copied up znode:</p> <p>dirty_cow_znode zn = copy_znode(c, znode); err = insert_old_idx(c, zbr-&gt;lnum, zbr-&gt;offs); if (unlikely(err)) return ERR_PTR(err); // No one refers to zn.</p> <p>Fetch a reproducer in [Link].</p> <p>Function copy_znode() is split into 2 parts: resource allocation and znode replacement, insert_old_idx() is split in similar way, so resource cleanup could be done in error handling path without corrupting metadata(mem &amp; disk). It&#39;s okay that old index inserting is put behind of add_idx_dirt(), old index is used in layout_leb_in_gaps(), so the two processes do not depend on each other.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ubifs: Fix memleak when insert_old_idx() failed</p> <p>Following process will cause a memleak for copied up znode:</p> <p>dirty_cow_znode zn = copy_znode(c, znode); err = insert_old_idx(c, zbr-&gt;lnum, zbr-&gt;offs); if (unlikely(err)) return ERR_PTR(err); // No one refers to zn.</p> <p>Fetch a reproducer in [Link].</p> <p>Function copy_znode() is split into 2 parts: resource allocation and znode replacement, insert_old_idx() is split in similar way, so resource cleanup could be done in error handling path without corrupting metadata(mem &amp; disk). It&#39;s okay that old index inserting is put behind of add_idx_dirt(), old index is used in layout_leb_in_gaps(), so the two processes do not depend on each other.</p> https://vulnerability.circl.lu/vuln/cve-2023-54050