Resource Exhaustion Affecting kernel-macros package, versions <4.12.14-150.35.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
2.52% (91st percentile)

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  • Snyk IDSNYK-SLES150-KERNELMACROS-3256796
  • published14 Apr 2022
  • disclosed20 Sept 2019

Introduced: 20 Sep 2019

CVE-2019-15538  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-macros to version 4.12.14-150.35.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-macros package and not the kernel-macros package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

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.

References

CVSS Scores

version 3.1