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CVE-2019-15538

Published: Aug 25, 2019Updated: Nov 21, 2024 Sources: CVE List NVDCWE-400
NVD MITRE
7.5CVSSHIGH
EPSS Score
3.9%
Top 11.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-400

Affected Products

n/an/a
linux kernellinux
On-premOS
Operating Systems
ubuntu linuxcanonical
On-premOS
Operating Systems / linux-distro
data availability servicesnetappHardware Firmware
hci management nodenetappHardware Firmware
linuxoss-projectOperating Systemsaka the linux kernel
canonicalcommercialGBOperating Systemsaka canonical ltd.
netappcommercialUSHardware Firmware
and 14 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://lore.kernel.org/linux-xfs/20190823035528.GH1037422%40magnolia/
lore.kernel.org
https://lore.kernel.org/linux-xfs/20190823192433.GA8736%40eldamar.local
lore.kernel.org
https://github.com/torvalds/linux/commit/1fb254aa983bf190cfd685d40c64a480a9bafaee
github.com
and 11 more references View all →

Timeline

Published
Aug 25, 2019
Last Updated
Nov 21, 2024

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