High severity · published Aug 25, 2019
CVE-2019-15538
An issue was discovered in xfs_setattr_nonsize in fs/xfs/xfs_iops.c in the Linux kernel through 5.2.9
7.5
CVSS
3.9%
EPSS
No
On KEV
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.9% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
4.7 before 4.9.191; 4.14 before 4.14.141; 4.19 before 4.19.69; 5.2 before 5.2.11; 5.3; 5.3; +5 more · source: NVD
AA
Aff A700s Firmware · Netapp
All versions, or not specified · source: NVD
DA
Data Availability Services · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
8.0 · source: NVD
FE
Fedora · Fedoraproject
29; 30 · source: NVD
HF
H300e Firmware · Netapp
All versions, or not specified · source: NVD
HF
H300s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H410c Firmware · Netapp
All versions, or not specified · source: NVD
HF
H410s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H500e Firmware · Netapp
All versions, or not specified · source: NVD
HF
H500s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H610s Firmware · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15538
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15538
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
Mailing List
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1fb254aa983bf190cfd685d40c64a480a9bafaee
Patch
https://github.com/torvalds/linux/commit/1fb254aa983bf190cfd685d40c64a480a9bafaee
Mailing List
https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html
Mailing List
https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html
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