In the Linux kernel, the following vulnerability has been resolved:
exfat: fix double free in delayed_free
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 ->vol_util as NULL after freeing it.