In the Linux kernel, the following vulnerability has been resolved: exfat: resolve memory leak from exfatcreateupcasetable() If exfatloadupcasetable reaches end and returns -EINVAL, allocated memory doesn't get freed and while exfatloaddefaultupcasetable allocates more memory, leading to a memory leak. Here's link to syzkaller crash report illustrating this issue: https://syzkaller.appspot.com/text?tag=CrashReport&x=1406c201980000