In the Linux kernel, the following vulnerability has been resolved: exfat: fix double free in delayedfree The double free could happen in the following path. exfatcreateupcasetable() exfatcreateupcasetable() : return error exfatfreeupcasetable() : free ->volutbl exfatloaddefaultupcasetable : return error exfatkillsb() delayedfree() exfatfreeupcasetable() <--------- double free This patch set ->volutil as NULL after freeing it.