CVE-2026-93269

The Linux kernel contains a circular lock dependency vulnerability in the ext4 filesystem within the ext4_ext_migrate function. The issue arises from a deadlock between s_writepages_rwsem and sb_internal (freeze protection) during concurrent EXT4_IOC_MIGRATE operations and orphan cleanup during m...

CVE-2026-93268

The Linux kernel contains a vulnerability in the ext4 filesystem where a circular lock dependency can cause a deadlock during mount operations. Specifically, the ext4_try_to_expand_extra_isize() function is called from __ext4_mark_inode_dirty() while holding an active jbd2 handle . During mount (...

EUVD-2026-86140

In the Linux kernel, the following vulnerability has been resolved: ext4: skip extra isize expansion during mount to prevent deadlock ext4trytoexpandextraisize is called from ext4markinodedirty while holding an active jbd2 handle. During mount !SBACTIVE, the expand path may move xattrs to externa...