kernel: denial of service in in xfs_setattr_nonsize in fs/xfs/xfs_iops.c

A flaw was found in the XFS file system in the Linux kernel. An acquired ILOCK was not freed/unlock when the call to xfsqmvopchownreserve fails and the lock is still held and can lead to denial to access for that device. This is primarily a local denial of service but could result in a remote...

UBUNTU-CVE-2019-15538

An issue was discovered in xfssetattrnonsize in fs/xfs/xfsiops.c in the Linux kernel through 5.2.9. XFS partially wedges when a chgrp fails on account of being out of disk quota. xfssetattrnonsize is failing to unlock the ILOCK after the xfsqmvopchownreserve call fails. This is primarily a local...