A NULL pointer dereference flaw was found in dbFree in fs/jfs/jfs_dmap.c in the journaling file system (JFS) in the Linux Kernel. This issue may allow a local attacker to crash the system due to a missing sanity check. CREATE(Triage):(User=admin) CVE-2023-4385 (https://nvd.nist.gov/vuln/detail/CVE-2023-4385)