https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 01:02:55 +0000 https://vulnerability.circl.lu/vuln/cve-2023-53845 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>nilfs2: fix infinite loop in nilfs_mdt_get_block()</p> <p>If the disk image that nilfs2 mounts is corrupted and a virtual block address obtained by block lookup for a metadata file is invalid, nilfs_bmap_lookup_at_level() may return the same internal return code as -ENOENT, meaning the block does not exist in the metadata file.</p> <p>This duplication of return codes confuses nilfs_mdt_get_block(), causing it to read and create a metadata block indefinitely.</p> <p>In particular, if this happens to the inode metadata file, ifile, semaphore i_rwsem can be left held, causing task hangs in lock_mount.</p> <p>Fix this issue by making nilfs_bmap_lookup_at_level() treat virtual block address translation failures with -ENOENT as metadata corruption instead of returning the error code.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>nilfs2: fix infinite loop in nilfs_mdt_get_block()</p> <p>If the disk image that nilfs2 mounts is corrupted and a virtual block address obtained by block lookup for a metadata file is invalid, nilfs_bmap_lookup_at_level() may return the same internal return code as -ENOENT, meaning the block does not exist in the metadata file.</p> <p>This duplication of return codes confuses nilfs_mdt_get_block(), causing it to read and create a metadata block indefinitely.</p> <p>In particular, if this happens to the inode metadata file, ifile, semaphore i_rwsem can be left held, causing task hangs in lock_mount.</p> <p>Fix this issue by making nilfs_bmap_lookup_at_level() treat virtual block address translation failures with -ENOENT as metadata corruption instead of returning the error code.</p> https://vulnerability.circl.lu/vuln/cve-2023-53845