A flaw was found in btrfs_get_root_ref in fs/btrfs/disk-io.c in the btrfs filesystem in the Linux Kernel due to a double decrement of the reference count. This issue may allow a local attacker with user privilege to crash the system or may lead to leaked internal kernel information. CREATE(Triage):(User=admin) CVE-2023-4389 (https://nvd.nist.gov/vuln/detail/CVE-2023-4389)
