Security Advisory

CVE-2019-15538

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2019-08-25 15:25:26

Last updated 2024-08-05 00:49:13

Assigner mitre

State PUBLISHED

Description

An issue was discovered in xfs_setattr_nonsize in fs/xfs/xfs_iops.c in the Linux kernel through 5.2.9. XFS partially wedges when a chgrp fails on account of being out of disk quota. xfs_setattr_nonsize is failing to unlock the ILOCK after the xfs_qm_vop_chown_reserve call fails. This is primarily a local DoS attack vector, but it might result as well in remote DoS if the XFS filesystem is exported for instance via NFS.

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