UBUNTU-CVE-2025-71237

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if endblock is too small. Since nblocks is of type sectort, which is u64, a...

CVE-2025-71237

CVE-2025-71237 corresponds to a Linux kernel nilfs2 issue where an underflow during FITRIM end_block calculation can produce a negative nblocks, turning into a large positive value and causing the block layer to hang while processing a discard. The description and connected advisories confirm the...