PT-2019-14255 · Linux+3 · Linux Kernel+3
Benjamin Moody
·
Publicado
2017-03-17
·
Atualizado
2021-06-02
·
CVE-2019-15538
CVSS v2.0
7.8
Alta
| Vetor | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions through 5.2.9
Description
An issue was discovered in
xfs setattr nonsize in fs/xfs/xfs iops.c. XFS partially wedges when a chgrp fails due to 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.Recommendations
For Linux kernel versions through 5.2.9, consider upgrading to a version that includes a fix for this issue, as no specific workaround is provided for these versions.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
Resource Exhaustion
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Alt Linux
Linux Kernel
Suse
Ubuntu