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SUSE: CVE-2019-15538: SUSE Linux Security Advisory

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SUSE: CVE-2019-15538: SUSE Linux Security Advisory

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
08/25/2019
Created
09/24/2019
Added
09/21/2019
Modified
02/04/2022

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.

Solution(s)

  • suse-upgrade-cluster-md-kmp-default
  • suse-upgrade-dlm-kmp-default
  • suse-upgrade-gfs2-kmp-default
  • suse-upgrade-kernel-azure-base
  • suse-upgrade-kernel-default
  • suse-upgrade-kernel-default-extra
  • suse-upgrade-kernel-default-man
  • suse-upgrade-kernel-devel-azure
  • suse-upgrade-kernel-docs
  • suse-upgrade-kernel-obs-build
  • suse-upgrade-kernel-source-azure
  • suse-upgrade-ocfs2-kmp-default

References

  • SUSE-SU-2019:2412-1
  • SUSE-SU-2019:2414-1
  • SUSE-SU-2019:2424-1
  • SUSE-SU-2019:2648-1
  • SUSE-SU-2019:2651-1
  • SUSE-SU-2019:2658-1
  • SUSE-SU-2019:2738-1
  • SUSE-SU-2019:2756-1
  • USN-4144-1
  • USN-4147-1
  • CVE-2019-15538
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