Description
btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info.
References (3)
Core 3
Core References
Mailing List, Patch, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
Exploit, Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b0958759947
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210902-0010/
Scores
CVSS v3
5.5
EPSS
0.0005
EPSS Percentile
16.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-667
Status
published
Products (5)
linux/linux_kernel
< 5.13.4
netapp/element_software
netapp/hci_bootstrap_os
netapp/hci_management_node
netapp/solidfire
Published
Aug 08, 2021
Tracked Since
Feb 18, 2026