EUVD-2026-86910

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not force reloc root creation during qgroupaccountsnapshot BUG When running btrfs/252 with quota enabled through MKFSOPTIONS="-O quota", it has a high chance to trigger the following kernel warning and flips the fs RO:...

CVE-2026-98080

The Linux kernel contains a vulnerability in the btrfs filesystem where triggering qgroup_account_snapshot() while quotas are enabled (via MKFS_OPTIONS="-O quota") can cause a kernel warning and flip the filesystem to read-only (RO) . The root cause is a tree reference to a metadata extent that n...