UBUNTU-CVE-2026-93269

In the Linux kernel, the following vulnerability has been resolved: ext4: fix circular lock dependency in ext4extmigrate Move iputtmpinode after ext4writepagesupwrite to avoid a circular lock dependency between swritepagesrwsem and sbinternal freeze protection. The deadlock scenario: CPU0...

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-2025-71065

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock As Jiaming Zhang and syzbot reported, there is potential deadlock in f2fs as below: Chain exists of: &sbi-cprwsem -- fsreclaim -- sbinternal2 Possible unsafe locking scenario: CPU0 CPU1 ----...

CVE-2025-71065: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock As Jiaming Zhang and syzbot reported, there is potential deadlock in f2fs as below: Chain exists of: &sbi-cprwsem -- fsreclaim -- sbinternal2 Possible unsafe locking scenario: CPU0 CPU1 ----...