https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 07 Oct 2026 00:33:31 +0000 https://cve.radiocsirt.org/vuln/cve-2026-89576 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>dm-era: fix shadowed superblock leak on take-snap failure</p> <p>metadata_take_snap() bumps the live superblock refcount and then dm_tm_shadow_block() allocates a new block for the metadata snapshot. If the subsequent dm_sm_inc_block() of writeset_tree_root or era_array_root fails, the function only unlocks the clone and returns. The newly allocated shadow block is never returned to the metadata space map, so each failed take-snap permanently leaks one metadata block.</p> <p>Free the clone with dm_sm_dec_block() on those error paths, matching the final step of metadata_drop_snap().</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>dm-era: fix shadowed superblock leak on take-snap failure</p> <p>metadata_take_snap() bumps the live superblock refcount and then dm_tm_shadow_block() allocates a new block for the metadata snapshot. If the subsequent dm_sm_inc_block() of writeset_tree_root or era_array_root fails, the function only unlocks the clone and returns. The newly allocated shadow block is never returned to the metadata space map, so each failed take-snap permanently leaks one metadata block.</p> <p>Free the clone with dm_sm_dec_block() on those error paths, matching the final step of metadata_drop_snap().</p> https://cve.radiocsirt.org/vuln/cve-2026-89576